[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 11 18:02:22 UTC 2025
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 12 Jul, 2025
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: 987670
Prefixes after maximum aggregation (per Origin AS): 383338
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486045
Number of IPv4 prefixes with a valid ROA: 549687
Number of IPv4 prefixes with an invalid ROA: 1357
Number of IPv4 prefixes with no ROA: 436626
Total ASes present in the Internet Routing Table: 77047
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65928
Origin ASes announcing only one prefix: 26899
Transit ASes present in the Internet Routing Table: 11119
Transit-only ASes present in the Internet Routing Table: 561
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 80
Max AS path prepend of ASN ( 37447) 75
Prefixes from unregistered ASNs in the Routing Table: 1146
Number of instances of unregistered ASNs: 1190
Number of 32-bit ASNs allocated by the RIRs: 46816
Number of 32-bit ASNs visible in the Routing Table: 38574
Prefixes from 32-bit ASNs in the Routing Table: 205812
Number of bogon 32-bit ASNs visible in the Routing Table: 128
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 467
Number of addresses announced to Internet: 3107079552
Equivalent to 185 /8s, 50 /16s and 69 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 323260
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262241
Total APNIC prefixes after maximum aggregation: 78444
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 253012
Unique aggregates announced from the APNIC address blocks: 104938
APNIC Region origin ASes present in the Internet Routing Table: 14738
APNIC Prefixes per ASN: 17.17
APNIC Region origin ASes announcing only one prefix: 4490
APNIC Region transit ASes present in the Internet Routing Table: 1973
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10247
Number of APNIC addresses announced to Internet: 749990144
Equivalent to 44 /8s, 179 /16s and 241 /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: 290822
Total ARIN prefixes after maximum aggregation: 131957
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292729
Unique aggregates announced from the ARIN address blocks: 140814
ARIN Region origin ASes present in the Internet Routing Table: 19221
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7015
ARIN Region transit ASes present in the Internet Routing Table: 2003
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 75
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5251
Number of ARIN addresses announced to Internet: 1349451776
Equivalent to 80 /8s, 111 /16s and 0 /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, 393216-402332
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: 276284
Total RIPE prefixes after maximum aggregation: 135745
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 275135
Unique aggregates announced from the RIPE address blocks: 176941
RIPE Region origin ASes present in the Internet Routing Table: 28947
RIPE Prefixes per ASN: 9.50
RIPE Region origin ASes announcing only one prefix: 12047
RIPE Region transit ASes present in the Internet Routing Table: 4010
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 69
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12548
Number of RIPE addresses announced to Internet: 731448960
Equivalent to 43 /8s, 153 /16s and 6 /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
196608-216475
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: 124830
Total LACNIC prefixes after maximum aggregation: 29736
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 121176
Unique aggregates announced from the LACNIC address blocks: 49023
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2653
LACNIC Region transit ASes present in the Internet Routing Table: 2547
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 75
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9240
Number of LACNIC addresses announced to Internet: 171227648
Equivalent to 10 /8s, 52 /16s and 186 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 32347
Total AfriNIC prefixes after maximum aggregation: 6684
AfriNIC Deaggregation factor: 4.84
Prefixes being announced from the AfriNIC address blocks: 45151
Unique aggregates announced from the AfriNIC address blocks: 13913
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 23.47
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 381
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 80
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1288
Number of AfriNIC addresses announced to Internet: 104701952
Equivalent to 6 /8s, 61 /16s and 160 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 11813 8762 118 CHINAMOBILE-CN China Mobile Communication
7545 6146 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4813 4192 76 ERX-CERNET-BKB China Education and Resear
9498 4466 536 313 BBIL-AP BHARTI Airtel Ltd., IN
7552 3911 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3704 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3294 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2906 863 521 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2655 812 180 CMNET-JIANGSU-AP China Mobile communicati
4766 2323 11519 609 KIXS-AS-KR Korea Telecom, KR
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 13657 40958 5252 AMAZON-02, US
11492 4787 317 605 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
174 3412 8769 845 COGENT-174, US
22773 3337 3034 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US
16625 2962 1245 2205 AKAMAI-AS, US
4155 2849 216 1737 USDA-1, 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 7637 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 3945 3395 127 AKAMAI-ASN1, NL
9009 3777 360 2106 M247, RO
12389 3126 2318 876 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2356 168 1723 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1558 1852 14 TE-AS TE-AS, EG
8551 1427 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12292 3255 575 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2530 538 352 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1369 2437 264 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1188 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1051 67 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1023 373 162 Axtel, S.A.B. de C.V., MX
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
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
24835 1187 633 33 RAYA-AS, EG
36992 887 1436 293 ETISALAT-MISR, EG
36935 753 520 39 Vodafone-, EG
24863 638 389 22 LINKdotNET-AS, EG
37069 600 1112 11 MOBINIL, EG
36914 570 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 554 58 62 WANANCHI-, KE
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 13657 40958 5252 AMAZON-02, US
8151 12292 3255 575 UNINET, MX
9808 11813 8762 118 CHINAMOBILE-CN China Mobile Communication
12479 7637 1713 150 UNI2-AS, ES
7545 6146 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4813 4192 76 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4787 317 605 CABLEONE, US
9498 4466 536 313 BBIL-AP BHARTI Airtel Ltd., IN
20940 3945 3395 127 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12292 11717 UNINET, MX
9808 11813 11695 CHINAMOBILE-CN China Mobile Communications Grou
12479 7637 7487 UNI2-AS, ES
7545 6146 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4813 4737 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
11492 4787 4182 CABLEONE, US
9498 4466 4153 BBIL-AP BHARTI Airtel Ltd., IN
7552 3911 3884 VIETEL-AS-AP Viettel Group, VN
20940 3945 3818 AKAMAI-ASN1, NL
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
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
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, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, US
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 /10:41 /11:92 /12:298
/13:578 /14:1194 /15:2127 /16:13773 /17:8293 /18:13500
/19:24675 /20:44223 /21:52038 /22:111300 /23:102921 /24:611792
/25:795 /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
12479 6570 7637 UNI2-AS, ES
8151 6514 12292 UNINET, MX
11492 3581 4787 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2490 3337 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2341 13657 AMAZON-02, US
30036 2267 2608 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2200 3513 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1760 2:1504 3:850 4:10 5:4714 6:162
7:6 8:1581 9:1 11:172 12:1342 13:457
14:2597 15:365 16:285 17:378 18:896 20:556
21:4 22:188 23:7696 24:2673 25:2 27:2742
29:19 31:3329 32:38 33:1 34:80 35:258
36:3539 37:4594 38:9430 39:911 40:251 41:4114
42:936 43:2660 44:369 45:18553 46:5090 47:336
49:1897 50:1900 51:593 52:1554 54:324 55:1108
56:11 57:274 58:2122 59:1347 60:1174 61:2802
62:2881 63:1798 64:5513 65:2168 66:4711 67:3090
68:1094 69:3877 70:1049 71:624 72:2859 74:2789
75:1504 76:612 77:2761 78:1899 79:1716 80:2207
81:2068 82:3157 83:1456 84:1861 85:3459 86:1090
87:2386 88:1316 89:4433 90:774 91:8416 92:2753
93:2940 94:4115 95:4397 96:1447 97:311 98:961
99:697 100:72 101:1191 102:3894 103:32239 104:5267
105:775 106:976 107:2638 108:1264 109:4169 110:2241
111:3334 112:2222 113:1572 114:1960 115:2179 116:2063
117:2555 118:2463 119:1949 120:2138 121:1382 122:2798
123:2219 124:1684 125:2910 126:91 128:1590 129:970
130:1295 131:2047 132:779 133:450 134:1575 135:349
136:1430 137:1183 138:2842 139:1574 140:1640 141:1527
142:1918 143:1967 144:1189 145:560 146:2180 147:2103
148:2702 149:2935 150:1228 151:2210 152:2079 153:526
154:7642 155:1821 156:3052 157:1918 158:1342 159:2499
160:3606 161:1850 162:3879 163:2229 164:1873 165:2078
166:1513 167:2024 168:3988 169:783 170:5131 171:1005
172:4418 173:3359 174:919 175:1312 176:3708 177:4767
178:3951 179:2327 180:2607 181:4112 182:3492 183:1906
184:2077 185:21560 186:5250 187:4634 188:4263 189:4337
190:9589 191:1481 192:11335 193:9477 194:7782 195:5587
196:3267 197:3150 198:6208 199:8586 200:8247 201:6372
202:10575 203:10562 204:4598 205:3671 206:4527 207:3621
208:4272 209:5163 210:4859 211:2677 212:4563 213:3791
214:1024 215:46 216:6757 217:3159 218:1417 219:562
220:2142 221:1185 222:844 223:2627
End of report
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