[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 16 18:04:52 UTC 2026
This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
Daily listings are sent to bgp-stats at lists.apnic.net.
For historical data, please see https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 17 Oct, 2026
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 1083516
Prefixes after maximum aggregation (per Origin AS): 415942
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 536502
Number of IPv4 prefixes with a valid ROA: 595484
Number of IPv4 prefixes with an invalid ROA: 1416
Number of IPv4 prefixes with no ROA: 486616
Total ASes present in the Internet Routing Table: 79532
Prefixes per ASN: 13.62
Origin-only ASes present in the Internet Routing Table: 68356
Origin ASes announcing only one prefix: 27939
Transit ASes present in the Internet Routing Table: 11176
Transit-only ASes present in the Internet Routing Table: 607
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 54
Max AS path prepend of ASN ( 37447) 50
Prefixes from unregistered ASNs in the Routing Table: 1124
Number of instances of unregistered ASNs: 1154
Number of 32-bit ASNs allocated by the RIRs: 51733
Number of 32-bit ASNs visible in the Routing Table: 41969
Prefixes from 32-bit ASNs in the Routing Table: 243904
Number of bogon 32-bit ASNs visible in the Routing Table: 80
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 595
Number of addresses announced to Internet: 3127057152
Equivalent to 186 /8s, 99 /16s and 27 /24s
Percentage of available address space announced: 84.5
Percentage of allocated address space announced: 84.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 356838
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 293746
Total APNIC prefixes after maximum aggregation: 85719
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 281648
Unique aggregates announced from the APNIC address blocks: 110439
APNIC Region origin ASes present in the Internet Routing Table: 15456
APNIC Prefixes per ASN: 18.22
APNIC Region origin ASes announcing only one prefix: 4804
APNIC Region transit ASes present in the Internet Routing Table: 2033
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 11053
Number of APNIC addresses announced to Internet: 749875584
Equivalent to 44 /8s, 178 /16s and 49 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-155961
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 316336
Total ARIN prefixes after maximum aggregation: 140509
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 313218
Unique aggregates announced from the ARIN address blocks: 153376
ARIN Region origin ASes present in the Internet Routing Table: 19533
ARIN Prefixes per ASN: 16.04
ARIN Region origin ASes announcing only one prefix: 7201
ARIN Region transit ASes present in the Internet Routing Table: 1930
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5846
Number of ARIN addresses announced to Internet: 1355466496
Equivalent to 80 /8s, 202 /16s and 199 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-404380
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8,
67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8,
74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8,
100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8,
131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8,
139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8,
148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8,
159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8,
167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8,
184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8,
207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 301491
Total RIPE prefixes after maximum aggregation: 150046
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 307897
Unique aggregates announced from the RIPE address blocks: 201776
RIPE Region origin ASes present in the Internet Routing Table: 29939
RIPE Prefixes per ASN: 10.28
RIPE Region origin ASes announcing only one prefix: 12399
RIPE Region transit ASes present in the Internet Routing Table: 4063
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 14004
Number of RIPE addresses announced to Internet: 750446976
Equivalent to 44 /8s, 186 /16s and 233 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-219547
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8,
81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8,
88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8,
95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8,
185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 132311
Total LACNIC prefixes after maximum aggregation: 31892
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 125953
Unique aggregates announced from the LACNIC address blocks: 51755
LACNIC Region origin ASes present in the Internet Routing Table: 11534
LACNIC Prefixes per ASN: 10.92
LACNIC Region origin ASes announcing only one prefix: 2769
LACNIC Region transit ASes present in the Internet Routing Table: 2603
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9606
Number of LACNIC addresses announced to Internet: 167293696
Equivalent to 9 /8s, 248 /16s and 179 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-275868 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 38508
Total AfriNIC prefixes after maximum aggregation: 7091
AfriNIC Deaggregation factor: 5.43
Prefixes being announced from the AfriNIC address blocks: 54205
Unique aggregates announced from the AfriNIC address blocks: 18669
AfriNIC Region origin ASes present in the Internet Routing Table: 2096
AfriNIC Prefixes per ASN: 25.86
AfriNIC Region origin ASes announcing only one prefix: 766
AfriNIC Region transit ASes present in the Internet Routing Table: 382
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 54
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1460
Number of AfriNIC addresses announced to Internet: 103663872
Equivalent to 6 /8s, 45 /16s and 201 /24s
AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9808 14039 8920 103 CHINAMOBILE-CN - China Mobile Communicati
9498 5108 560 332 BBIL-AP - BHARTI Airtel Ltd., IN
4538 5043 4192 73 ERX-CERNET-BKB - China Education and Rese
18403 4704 347 24 FPT-VN - FPT Telecom Company, VN
7545 4647 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU
7552 4089 1331 24 VIETEL-AS-AP - Viettel Group, VN
56046 3638 887 181 CMNET-Jiangsu-AP - China Mobile communica
140292 3538 364 1633 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK -
7713 3450 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon
45899 3408 1868 99 VNPT-AS-VN - VNPT Corp, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 18036 42599 5616 AMAZON-02 - Amazon.com, Inc., US
22773 4923 3320 462 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
11492 4632 308 1098 CABLEONE - CABLE ONE, INC., US
7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3839 1305 75 SHAW - Shaw Communications, CA
396982 3544 5372 603 GOOGLE-CLOUD-PLATFORM - Google LLC, US
36352 3285 244 1154 AS-COLOCROSSING - HostPapa, US
749 3133 54647 2384 DNIC-AS-00749 - United States Department
7029 2906 2570 917 WINDSTREAM - Windstream Communications LL
31898 2831 1409 1190 ORACLE-BMC-31898 - Oracle Corporation, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6948 1709 149 UNI2-AS - Orange Espagne SA, ES
39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS
9009 4372 390 2672 M247 - M247 Europe SRL, RO
20940 3905 3388 105 AKAMAI-ASN1 - Akamai International B.V.,
212238 3691 265 2808 CDNEXT - Datacamp Limited, GB
12389 3149 2331 867 ROSTELECOM-AS - PJSC Rostelecom, RU
34984 2528 371 602 TELLCOM-AS - Superonline Iletisim Hizmetl
29355 2525 155 30 KCELL-AS - Kcell JSC, KZ
25019 1923 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS
3257 1865 2087 999 GTT-BACKBONE - GTT Communications Inc., U
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 13283 3295 615 AS8151 - UNINET, MX
10620 3398 442 1121 AS10620 - Telmex Colombia S.A., CO
13999 2222 493 326 AS13999 - Mega Cable, S.A. de C.V., MX
11830 1852 369 65 AS11830 - Instituto Costarricense de Elec
11664 1512 277 34 AS11664 - Techtel LMDS Comunicaciones Int
28573 1388 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda
3816 1267 762 225 AS3816 - COLOMBIA TELECOMUNICACIONES S.A.
6147 1175 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE
27715 1109 77 60 AS27715 - Locaweb Servicos de Internet S/
22884 1099 73 383 AS22884 - TOTAL PLAY TELECOMUNICACIONES,
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1972 481 26 Vodafone Data - Vodafone Data, EG
36992 1943 1543 326 ETISALAT MISR - ETISALAT MISR, EG
24863 1459 389 20 Link Egypt (Link.NET) - Link Egypt (Link.
36903 1352 588 110 Office National des Postes et Telecommuni
36935 1295 523 49 Vodafone Data - Vodafone Data, EG
37069 1128 1100 11 The Egyptian Company for Mobile Services
29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv
15399 811 58 63 Wananchi Group (Kenya) Limited - Wananchi
20011 562 162 179 Dimension Data - Dimension Data, ZA
36914 550 82 3 Kenya Education Network - Kenya Education
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 18036 42599 5616 AMAZON-02 - Amazon.com, Inc., US
9808 14039 8920 103 CHINAMOBILE-CN - China Mobile Communicati
8151 13283 3295 615 AS8151 - UNINET, MX
12479 6948 1709 149 UNI2-AS - Orange Espagne SA, ES
9498 5108 560 332 BBIL-AP - BHARTI Airtel Ltd., IN
39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS
4538 5043 4192 73 ERX-CERNET-BKB - China Education and Rese
22773 4923 3320 462 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica
18403 4704 347 24 FPT-VN - FPT Telecom Company, VN
7545 4647 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 14039 13936 CHINAMOBILE-CN - China Mobile Communications Gr
8151 13283 12668 AS8151 - UNINET, MX
12479 6948 6799 UNI2-AS - Orange Espagne SA, ES
4538 5043 4970 ERX-CERNET-BKB - China Education and Research N
39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
9498 5108 4776 BBIL-AP - BHARTI Airtel Ltd., IN
18403 4704 4680 FPT-VN - FPT Telecom Company, VN
22773 4923 4461 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 4647 4367 TPG-INTERNET-AP - TPG Telecom Limited, AU
7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP - NETSTAR
4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP - NETSTAR
4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP - NETSTAR
394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent
23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co
395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com
396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent
397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.131.100.0/24 Origin: 401541 UNASSIGNED
23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.131.156.0/24 Origin: 401541 UNASSIGNED
23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.131.212.0/24 Origin: 401541 UNASSIGNED
23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu
23.133.212.0/24 Origin: 18604 UNASSIGNED
23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C
23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US
23.137.48.0/24 Transit: 3257 GTT-BACKBONE - GTT Communications Inc.,
Complete listing at https://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:39 /11:97 /12:299
/13:589 /14:1193 /15:2134 /16:13769 /17:8382 /18:13400
/19:25788 /20:46929 /21:54189 /22:114298 /23:111720 /24:689958
/25:702 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 7440 13283 AS8151 - UNINET, MX
12479 5862 6948 UNI2-AS - Orange Espagne SA, ES
39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
6327 3602 3839 SHAW - Shaw Communications, CA
11492 3509 4632 CABLEONE - CABLE ONE, INC., US
16509 3472 18036 AMAZON-02 - Amazon.com, Inc., US
7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US
22773 3134 4923 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
10620 2233 3398 AS10620 - Telmex Colombia S.A., CO
30036 2176 2522 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2790 2:3007 3:1549 4:6 5:5502 6:214
7:6 8:1365 9:498 11:172 12:1081 13:1420
14:2757 15:488 16:365 17:469 18:1437 20:602
21:4 22:188 23:8685 24:2819 25:2 27:2880
28:8 29:19 31:3979 32:35 34:95 35:309
36:4941 37:4446 38:10595 39:1452 40:456 41:4579
42:2271 43:3456 44:532 45:19974 46:5036 47:461
48:171 49:2344 50:2026 51:1040 52:1466 54:504
55:1117 56:11 57:339 58:2606 59:1437 60:1191
61:3303 62:3184 63:1677 64:6688 65:2280 66:6298
67:3339 68:1356 69:4090 70:1096 71:597 72:3297
74:3155 75:1745 76:598 77:2940 78:2180 79:2016
80:2427 81:2315 82:4381 83:1531 84:2174 85:3925
86:1156 87:3114 88:1364 89:4971 90:794 91:8566
92:2808 93:3073 94:4712 95:4779 96:1456 97:306
98:972 99:1153 100:65 101:1378 102:4759 103:32450
104:5806 105:967 106:974 107:3016 108:1580 109:4034
110:2237 111:4300 112:3239 113:1988 114:2645 115:2270
116:2112 117:3910 118:2962 119:2129 120:2847 121:2077
122:3078 123:2225 124:1794 125:3025 126:175 128:1601
129:1006 130:1788 131:2627 132:955 133:483 134:1842
135:678 136:1590 137:1493 138:3452 139:1829 140:1962
141:1916 142:2746 143:2369 144:1943 145:713 146:2261
147:2396 148:2899 149:3595 150:1495 151:3167 152:2522
153:2235 154:8921 155:2385 156:4113 157:2497 158:1654
159:2990 160:4193 161:2159 162:4265 163:2771 164:2509
165:2808 166:1269 167:2421 168:4305 169:988 170:5594
171:1143 172:4971 173:3487 174:899 175:1431 176:4113
177:5665 178:4694 179:2879 180:3504 181:4754 182:4141
183:2881 184:2201 185:22098 186:6628 187:6063 188:4940
189:5028 190:10035 191:2039 192:12030 193:9654 194:7997
195:6031 196:3518 197:3305 198:6522 199:6196 200:8487
201:6991 202:10801 203:10578 204:4833 205:3786 206:4530
207:4089 208:4346 209:5545 210:4903 211:2817 212:5292
213:4159 214:1042 215:52 216:7329 217:3937 218:1974
219:584 220:2234 221:1474 222:1167 223:3696
End of report
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