IPv4 R&E Routing Table Report 21:10 GMT Wed 04 Oct, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 930363 Prefixes after maximum aggregation (per Origin AS): 353101 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 453287 Number of IPv4 prefixes with a valid ROA: 424051 Number of IPv4 prefixes with an invalid ROA: 2419 Number of IPv4 prefixes with no ROA: 503893 Total ASes present in the Internet Routing Table: 74872 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64355 Origin ASes announcing only one prefix: 26447 Transit ASes present in the Internet Routing Table: 10517 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 102 Max AS path prepend of ASN (211389) 100 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 42761 Number of 32-bit ASNs visible in the Routing Table: 35186 Prefixes from 32-bit ASNs in the Routing Table: 175699 Number of bogon 32-bit ASNs visible in the Routing Table: 125 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3052773120 Equivalent to 181 /8s, 245 /16s and 159 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 309881 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245115 Total APNIC prefixes after maximum aggregation: 70344 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 238712 Unique aggregates announced from the APNIC address blocks: 98970 APNIC Region origin ASes present in the Internet Routing Table: 13649 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 4092 APNIC Region transit ASes present in the Internet Routing Table: 1819 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9005 Number of APNIC addresses announced to Internet: 772458752 Equivalent to 46 /8s, 10 /16s and 201 /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, 131072-153913 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: 273483 Total ARIN prefixes after maximum aggregation: 123775 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277021 Unique aggregates announced from the ARIN address blocks: 131823 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1924 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1277386240 Equivalent to 76 /8s, 35 /16s and 94 /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: 261839 Total RIPE prefixes after maximum aggregation: 123730 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257040 Unique aggregates announced from the RIPE address blocks: 159973 RIPE Region origin ASes present in the Internet Routing Table: 28433 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12069 RIPE Region transit ASes present in the Internet Routing Table: 3913 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11356 Number of RIPE addresses announced to Internet: 716226048 Equivalent to 42 /8s, 176 /16s and 190 /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, 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: 118872 Total LACNIC prefixes after maximum aggregation: 28571 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117847 Unique aggregates announced from the LACNIC address blocks: 49355 LACNIC Region origin ASes present in the Internet Routing Table: 11043 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2708 LACNIC Region transit ASes present in the Internet Routing Table: 2329 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8861 Number of LACNIC addresses announced to Internet: 178552576 Equivalent to 10 /8s, 164 /16s and 127 /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: 30038 Total AfriNIC prefixes after maximum aggregation: 5970 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39214 Unique aggregates announced from the AfriNIC address blocks: 12726 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1144 Number of AfriNIC addresses announced to Internet: 107721728 Equivalent to 6 /8s, 107 /16s and 180 /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 9487 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5733 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3591 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1835 90 VNPT-AS-VN VNPT Corp, VN 9498 3195 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2943 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2940 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2531 850 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11269 604 KIXS-AS-KR Korea Telecom, KR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9105 10992 3254 AMAZON-02, US 11492 4537 301 673 CABLEONE, US 7155 4177 288 100 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3525 3070 294 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54958 2415 DNIC-AS-00749, US 367 3019 3846 1422 DNIC-ASBLK-00306-00371, US 16625 2993 1408 2289 AKAMAI-AS, US 396982 2700 3597 396 GOOGLE-CLOUD-PLATFORM, US 30036 2494 358 385 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7378 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 152 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2969 2298 919 ROSTELECOM-AS, RU 9009 2885 264 1471 M247, RO 34984 2337 363 595 TELLCOM-AS, TR 58224 1721 923 531 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1520 1852 16 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11805 3382 595 UNINET, MX 10620 3533 504 857 Telmex Colombia S.A., CO 13999 2410 331 624 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1297 766 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1075 169 432 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1582 393 19 LINKdotNET-AS, EG 24835 1535 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 527 55 51 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 477 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11805 3382 595 UNINET, MX 9808 9487 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9105 10992 3254 AMAZON-02, US 12479 7378 1713 145 UNI2-AS, ES 7545 5733 785 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 673 CABLEONE, US 18403 4245 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 100 VIASAT-SP-BACKBONE, US 20940 4080 3398 152 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9487 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7378 7233 UNI2-AS, ES 16509 9105 5851 AMAZON-02, US 7545 5733 5035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4245 4220 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4077 VIASAT-SP-BACKBONE, US 20940 4080 3928 AKAMAI-ASN1, NL 11492 4537 3864 CABLEONE, US 7713 3591 3528 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:38 /11:101 /12:299 /13:581 /14:1194 /15:2095 /16:13497 /17:8283 /18:13842 /19:25064 /20:44029 /21:51519 /22:110082 /23:99031 /24:560677 /25:0 /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 6464 7378 UNI2-AS, ES 8151 5833 11805 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3122 4177 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3525 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 3533 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2198 2:1416 3:266 4:5 5:4433 6:137 7:6 8:1514 9:1 11:172 12:1513 13:370 14:2321 15:304 16:197 17:368 18:658 20:287 21:4 22:188 23:6447 24:2518 25:2 27:2604 29:19 31:2541 32:75 34:25 35:116 36:1993 37:4544 38:5364 39:865 40:143 41:4016 42:2061 43:2286 44:321 45:16655 46:4291 47:370 49:1819 50:1886 51:583 52:1594 54:392 55:939 56:5 57:125 58:1864 59:1162 60:1003 61:2531 62:2693 63:1910 64:5677 65:2351 66:5009 67:3029 68:1345 69:4158 70:1192 71:675 72:2941 74:2621 75:1563 76:634 77:2303 78:1828 79:2991 80:2095 81:1820 82:1533 83:1306 84:1559 85:3100 86:763 87:1998 88:1204 89:3920 90:621 91:7830 92:2059 93:2625 94:3535 95:4060 96:1301 97:315 98:1084 99:732 100:91 101:1288 102:2920 103:32210 104:4758 105:577 106:905 107:2724 108:1134 109:4241 110:2134 111:3140 112:2060 113:1749 114:1717 115:2038 116:1882 117:2461 118:2706 119:1982 120:1780 121:1162 122:2616 123:2189 124:1565 125:2567 128:1467 129:924 130:1050 131:1993 132:865 133:408 134:1786 135:306 136:973 137:1124 138:2642 139:1597 140:1291 141:1331 142:1521 143:1556 144:1009 145:350 146:1962 147:1609 148:2499 149:2283 150:880 151:1230 152:1877 153:590 154:5105 155:1388 156:2020 157:1355 158:1057 159:2185 160:2637 161:1600 162:3526 163:1623 164:1711 165:1864 166:1083 167:1735 168:3760 169:802 170:4649 171:896 172:3802 173:2966 174:980 175:1193 176:3786 177:4468 178:3559 179:2153 180:2518 181:3530 182:3362 183:1980 184:2271 185:20649 186:4735 187:4154 188:4152 189:3870 190:9307 191:1379 192:10985 193:8986 194:7303 195:5204 196:3124 197:2482 198:6016 199:6168 200:7986 201:6165 202:10464 203:10159 204:4554 205:3719 206:4394 207:3504 208:4143 209:4923 210:4448 211:2483 212:4271 213:3409 214:1111 215:70 216:6718 217:2779 218:1298 219:468 220:2033 221:984 222:755 223:2145 End of report