[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 4 18:03:11 UTC 2022
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
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 05 Nov, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 914187
Prefixes after maximum aggregation (per Origin AS): 345210
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 441304
Total ASes present in the Internet Routing Table: 73782
Prefixes per ASN: 12.39
Origin-only ASes present in the Internet Routing Table: 63404
Origin ASes announcing only one prefix: 26064
Transit ASes present in the Internet Routing Table: 10378
Transit-only ASes present in the Internet Routing Table: 408
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1006
Number of instances of unregistered ASNs: 1008
Number of 32-bit ASNs allocated by the RIRs: 40572
Number of 32-bit ASNs visible in the Routing Table: 33622
Prefixes from 32-bit ASNs in the Routing Table: 162808
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 510
Number of addresses announced to Internet: 3064630528
Equivalent to 182 /8s, 170 /16s and 141 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
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: 310253
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 238910
Total APNIC prefixes after maximum aggregation: 68007
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 233889
Unique aggregates announced from the APNIC address blocks: 96892
APNIC Region origin ASes present in the Internet Routing Table: 13077
APNIC Prefixes per ASN: 17.89
APNIC Region origin ASes announcing only one prefix: 3778
APNIC Region transit ASes present in the Internet Routing Table: 1756
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 33
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8324
Number of APNIC addresses announced to Internet: 773861504
Equivalent to 46 /8s, 32 /16s and 48 /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, 131072-151865
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: 267032
Total ARIN prefixes after maximum aggregation: 121841
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 268396
Unique aggregates announced from the ARIN address blocks: 129002
ARIN Region origin ASes present in the Internet Routing Table: 19070
ARIN Prefixes per ASN: 14.07
ARIN Region origin ASes announcing only one prefix: 6977
ARIN Region transit ASes present in the Internet Routing Table: 1928
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4667
Number of ARIN addresses announced to Internet: 1290101248
Equivalent to 76 /8s, 229 /16s and 98 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 261799
Total RIPE prefixes after maximum aggregation: 120887
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 258585
Unique aggregates announced from the RIPE address blocks: 154650
RIPE Region origin ASes present in the Internet Routing Table: 28150
RIPE Prefixes per ASN: 9.19
RIPE Region origin ASes announcing only one prefix: 12004
RIPE Region transit ASes present in the Internet Routing Table: 3954
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10852
Number of RIPE addresses announced to Internet: 716490624
Equivalent to 42 /8s, 180 /16s and 199 /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
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
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: 116846
Total LACNIC prefixes after maximum aggregation: 28114
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 116298
Unique aggregates announced from the LACNIC address blocks: 48449
LACNIC Region origin ASes present in the Internet Routing Table: 10985
LACNIC Prefixes per ASN: 10.59
LACNIC Region origin ASes announcing only one prefix: 2708
LACNIC Region transit ASes present in the Internet Routing Table: 2229
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8750
Number of LACNIC addresses announced to Internet: 175917056
Equivalent to 10 /8s, 124 /16s and 72 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 28594
Total AfriNIC prefixes after maximum aggregation: 5604
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 36509
Unique aggregates announced from the AfriNIC address blocks: 11890
AfriNIC Region origin ASes present in the Internet Routing Table: 1702
AfriNIC Prefixes per ASN: 21.45
AfriNIC Region origin ASes announcing only one prefix: 597
AfriNIC Region transit ASes present in the Internet Routing Table: 332
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1029
Number of AfriNIC addresses announced to Internet: 107975168
Equivalent to 6 /8s, 111 /16s and 146 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 9092 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5942 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4879 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3616 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3498 1043 62 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3397 1877 66 VNPT-AS-VN VNPT Corp, VN
4766 2531 11252 600 KIXS-AS-KR Korea Telecom, KR
9498 2498 499 237 BBIL-AP BHARTI Airtel Ltd., IN
24560 2259 850 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
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 7561 10612 2897 AMAZON-02, US
11492 4585 304 549 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3759 3061 341 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3562 1864 2548 AKAMAI-AS, US
6327 3517 1320 63 SHAW, CA
749 3029 50727 2287 DNIC-AS-00749, US
7018 2609 24057 1569 ATT-INTERNET4, US
30036 2599 371 285 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2560 3480 351 GOOGLE-CLOUD-PLATFORM, 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 6920 1730 144 UNI2-AS, ES
9121 6841 1692 17 TTNET, TR
20940 4115 3400 183 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2956 2290 913 ROSTELECOM-AS, RU
9009 2628 252 1351 M247, RO
6849 2331 339 20 UKRTELNET, UA
34984 2241 357 615 TELLCOM-AS, TR
47331 2078 323 1581 TTNET, TR
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 10785 3345 604 Uninet S.A. de C.V., MX
10620 3472 510 839 Telmex Colombia S.A., CO
11830 2300 369 64 Instituto Costarricense de Electricidad
13999 2099 341 544 Mega Cable, S.A. de C.V., MX
28573 1335 2328 261 Claro NXT Telecomunicacoes Ltda, BR
6503 1295 338 521 Axtel, S.A.B. de C.V., MX
3816 1286 722 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1110 182 471 Techtel LMDS Comunicaciones Interactiva
6147 1083 369 22 Telefonica del Peru S.A.A., PE
26615 992 2466 43 TIM SA, BR
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
24863 1575 393 21 LINKdotNET-AS, EG
24835 1545 521 31 RAYA-AS, EG
36992 1354 1520 270 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 992 68 32 ORANGE-COTE-IVOIRE, CI
36935 831 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 526 53 42 WANANCHI-, KE
37342 490 32 1 MOVITEL, MZ
23889 400 231 14 MauritiusTelecom, MU
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
8151 10785 3345 604 Uninet S.A. de C.V., MX
9808 9092 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7561 10612 2897 AMAZON-02, US
12479 6920 1730 144 UNI2-AS, ES
9121 6841 1692 17 TTNET, TR
7545 5942 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4879 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4585 304 549 CABLEONE, US
20940 4115 3400 183 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9092 9042 CHINAMOBILE-CN China Mobile Communications Grou
9121 6841 6824 TTNET, TR
12479 6920 6776 UNI2-AS, ES
7545 5942 5246 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4879 4804 ERX-CERNET-BKB China Education and Research Net
16509 7561 4664 AMAZON-02, US
11492 4585 4036 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
20940 4115 3932 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
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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
23.136.112.0/24 Origin: 54835 UNASSIGNED
23.136.112.0/24 Transit: 21559 OSNET, PR
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 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.181.240.0/24 Origin: 399613 UNASSIGNED
23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
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 /9:13 /10:39 /11:100 /12:295
/13:588 /14:1198 /15:2047 /16:13533 /17:8355 /18:13983
/19:25166 /20:44387 /21:52270 /22:109998 /23:97774 /24:543619
/25:806 /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
9121 5987 6841 TTNET, TR
12479 5925 6920 UNI2-AS, ES
8151 4738 10785 Uninet S.A. de C.V., MX
11492 3492 4585 CABLEONE, US
8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3325 3517 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2987 3898 VIASAT-SP-BACKBONE, US
22773 2780 3759 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1907 2:1017 3:166 4:5 5:4013 6:117
7:5 8:1597 9:1 11:173 12:1619 13:350
14:2382 15:280 16:69 17:360 18:373 20:236
21:4 22:188 23:6002 24:2454 25:6 27:2703
29:19 31:2467 32:93 34:7 35:95 36:1794
37:4498 38:3750 39:770 40:144 41:3931 42:1183
43:2252 44:301 45:16308 46:4201 47:375 49:1720
50:1924 51:244 52:1496 54:398 55:846 56:8
57:78 58:1790 59:1163 60:1002 61:2409 62:2590
63:1958 64:5622 65:2324 66:4831 67:2995 68:1379
69:4146 70:1297 71:679 72:2998 74:2648 75:1474
76:600 77:2226 78:3961 79:3149 80:2047 81:1830
82:1477 83:1216 84:1449 85:3733 86:730 87:1917
88:2842 89:3402 90:550 91:7593 92:2040 93:2555
94:3517 95:4810 96:1349 97:350 98:1172 99:739
100:69 101:1068 102:2378 103:30393 104:4555 105:480
106:894 107:2553 108:911 109:4316 110:2020 111:3319
112:2050 113:1560 114:1530 115:2029 116:1901 117:2474
118:2325 119:1851 120:1707 121:1092 122:2568 123:2115
124:1553 125:2180 128:1261 129:982 130:976 131:2022
132:845 133:378 134:1911 135:291 136:880 137:907
138:2508 139:1516 140:1120 141:1464 142:1398 143:1404
144:1196 145:354 146:1879 147:1533 148:2265 149:1831
150:874 151:1139 152:1831 153:453 154:3829 155:1438
156:1621 157:1297 158:1040 159:2202 160:2566 161:1385
162:3521 163:1436 164:1688 165:1636 166:823 167:1714
168:3855 169:903 170:4546 171:851 172:3479 173:3110
174:1032 175:1161 176:3602 177:4793 178:3514 179:2131
180:2348 181:3361 182:3238 183:1932 184:2361 185:19878
186:4548 187:3986 188:3977 189:3447 190:9052 191:1434
192:11015 193:8760 194:7175 195:5087 196:2983 197:2470
198:6005 199:6068 200:7613 201:5798 202:10557 203:10053
204:4598 205:3493 206:3921 207:3419 208:4092 209:4788
210:4395 211:2441 212:4038 213:3507 214:1100 215:53
216:6536 217:2630 218:1289 219:573 220:2051 221:925
222:839 223:2015
End of report
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