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[routing-wg] Weekly Global IPv4 Routing Table Report
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Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 21 20:03:11 CEST 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 22 Oct, 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: 913066 Prefixes after maximum aggregation (per Origin AS): 344590 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 440326 Total ASes present in the Internet Routing Table: 73756 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63346 Origin ASes announcing only one prefix: 25997 Transit ASes present in the Internet Routing Table: 10410 Transit-only ASes present in the Internet Routing Table: 406 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: 1071 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 40454 Number of 32-bit ASNs visible in the Routing Table: 33551 Prefixes from 32-bit ASNs in the Routing Table: 161990 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3064300672 Equivalent to 182 /8s, 165 /16s and 132 /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: 310145 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238444 Total APNIC prefixes after maximum aggregation: 67879 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 233482 Unique aggregates announced from the APNIC address blocks: 96704 APNIC Region origin ASes present in the Internet Routing Table: 13033 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 3749 APNIC Region transit ASes present in the Internet Routing Table: 1754 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8277 Number of APNIC addresses announced to Internet: 773734912 Equivalent to 46 /8s, 30 /16s and 66 /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: 266668 Total ARIN prefixes after maximum aggregation: 121596 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267868 Unique aggregates announced from the ARIN address blocks: 128736 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.06 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1929 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: 4649 Number of ARIN addresses announced to Internet: 1290070784 Equivalent to 76 /8s, 228 /16s and 235 /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: 261853 Total RIPE prefixes after maximum aggregation: 120667 RIPE Deaggregation factor: 2.17 Prefixes being announced from the RIPE address blocks: 258723 Unique aggregates announced from the RIPE address blocks: 154172 RIPE Region origin ASes present in the Internet Routing Table: 28174 RIPE Prefixes per ASN: 9.18 RIPE Region origin ASes announcing only one prefix: 12012 RIPE Region transit ASes present in the Internet Routing Table: 3975 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10855 Number of RIPE addresses announced to Internet: 716370304 Equivalent to 42 /8s, 178 /16s and 241 /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: 116487 Total LACNIC prefixes after maximum aggregation: 28055 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116038 Unique aggregates announced from the LACNIC address blocks: 48355 LACNIC Region origin ASes present in the Internet Routing Table: 10983 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2246 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8746 Number of LACNIC addresses announced to Internet: 175887616 Equivalent to 10 /8s, 123 /16s and 213 /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: 28543 Total AfriNIC prefixes after maximum aggregation: 5600 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36428 Unique aggregates announced from the AfriNIC address blocks: 11935 AfriNIC Region origin ASes present in the Internet Routing Table: 1699 AfriNIC Prefixes per ASN: 21.44 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1024 Number of AfriNIC addresses announced to Internet: 107936768 Equivalent to 6 /8s, 110 /16s and 252 /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 9071 8884 50 CHINAMOBILE-CN China Mobile Communicati 7545 5928 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4726 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3501 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3389 1877 66 VNPT-AS-VN VNPT Corp, VN 4766 2533 11252 600 KIXS-AS-KR Korea Telecom, KR 9498 2491 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2241 851 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2179 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 7419 10586 2886 AMAZON-02, US 11492 4612 305 508 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3771 3065 348 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3544 1851 2544 AKAMAI-AS, US 6327 3504 1320 63 SHAW, CA 749 3027 50696 2294 DNIC-AS-00749, US 7018 2639 24156 1591 ATT-INTERNET4, US 30036 2600 367 258 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2554 3479 346 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 6909 1730 144 UNI2-AS, ES 9121 6834 1692 17 TTNET, TR 20940 4111 3400 182 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2946 2290 913 ROSTELECOM-AS, RU 9009 2623 252 1348 M247, RO 6849 2477 339 20 UKRTELNET, UA 34984 2243 357 616 TELLCOM-AS, TR 47331 2076 322 1579 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 10744 3314 605 Uninet S.A. de C.V., MX 10620 3469 510 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2075 338 538 Mega Cable, S.A. de C.V., MX 28573 1337 2330 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 520 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11664 1089 181 466 Techtel LMDS Comunicaciones Interactiva 26615 986 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 1574 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1260 550 99 MT-MPLS, MA 29571 1014 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 486 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 10744 3314 605 Uninet S.A. de C.V., MX 9808 9071 8884 50 CHINAMOBILE-CN China Mobile Communicati 16509 7419 10586 2886 AMAZON-02, US 12479 6909 1730 144 UNI2-AS, ES 9121 6834 1692 17 TTNET, TR 7545 5928 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4726 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4612 305 508 CABLEONE, US 20940 4111 3400 182 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 9071 9021 CHINAMOBILE-CN China Mobile Communications Grou 9121 6834 6817 TTNET, TR 12479 6909 6765 UNI2-AS, ES 7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4726 4651 ERX-CERNET-BKB China Education and Research Net 16509 7419 4533 AMAZON-02, US 11492 4612 4104 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4111 3929 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 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 3257 GTT-BACKBONE GTT, 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 /9:13 /10:39 /11:100 /12:294 /13:589 /14:1202 /15:2046 /16:13513 /17:8343 /18:13980 /19:25194 /20:44406 /21:52220 /22:109690 /23:97714 /24:542921 /25:786 /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 5980 6834 TTNET, TR 12479 5918 6909 UNI2-AS, ES 8151 4740 10744 Uninet S.A. de C.V., MX 11492 3519 4612 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3312 3504 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2782 3771 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2340 2477 UKRTELNET, UA Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1908 2:1029 3:166 4:5 5:3945 6:116 7:5 8:1591 9:1 11:173 12:1623 13:347 14:2375 15:275 16:69 17:360 18:343 20:241 21:4 22:188 23:5967 24:2473 25:6 27:2713 29:19 31:2452 32:94 34:7 35:90 36:1867 37:4484 38:3650 39:753 40:159 41:3969 42:1181 43:2298 44:296 45:16261 46:4225 47:375 49:1719 50:1930 51:242 52:1500 54:394 55:838 56:8 57:78 58:1791 59:1164 60:994 61:2386 62:2542 63:1968 64:5628 65:2327 66:4845 67:2967 68:1377 69:4164 70:1303 71:678 72:2998 74:2652 75:1474 76:599 77:2249 78:3959 79:3156 80:2051 81:1826 82:1527 83:1220 84:1424 85:3744 86:738 87:1914 88:2841 89:3438 90:545 91:7599 92:2078 93:2548 94:3541 95:4799 96:1345 97:348 98:1171 99:739 100:68 101:1064 102:2318 103:30334 104:4544 105:477 106:890 107:2543 108:900 109:4333 110:2019 111:3323 112:2066 113:1551 114:1525 115:2019 116:1922 117:2482 118:2323 119:1853 120:1738 121:1089 122:2555 123:2116 124:1553 125:2188 128:1244 129:981 130:972 131:2007 132:834 133:379 134:1906 135:290 136:869 137:889 138:2528 139:1522 140:1137 141:1475 142:1399 143:1418 144:1204 145:349 146:1879 147:1535 148:2253 149:1830 150:875 151:1120 152:1823 153:469 154:3795 155:1426 156:1638 157:1303 158:1046 159:2185 160:2571 161:1373 162:3502 163:1436 164:1678 165:1635 166:812 167:1717 168:3825 169:893 170:4545 171:852 172:3457 173:3104 174:1034 175:1147 176:3593 177:4746 178:3558 179:2107 180:2340 181:3283 182:3234 183:1939 184:2355 185:19837 186:4533 187:3956 188:4041 189:3450 190:8996 191:1453 192:10982 193:8737 194:7160 195:5062 196:2984 197:2461 198:6005 199:6064 200:7616 201:5833 202:10554 203:10061 204:4562 205:3477 206:3883 207:3444 208:4095 209:4789 210:4338 211:2435 212:4046 213:3561 214:1099 215:53 216:6477 217:2624 218:1294 219:571 220:2046 221:924 222:826 223:2014 End of report
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