IPv4 R&E Routing Table Report 21:10 GMT Thu 18 May, 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: 921797 Prefixes after maximum aggregation (per Origin AS): 348976 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449258 Number of IPv4 prefixes with a valid ROA: 400571 Number of IPv4 prefixes with an invalid ROA: 2620 Number of IPv4 prefixes with no ROA: 518606 Total ASes present in the Internet Routing Table: 74429 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63965 Origin ASes announcing only one prefix: 26218 Transit ASes present in the Internet Routing Table: 10464 Transit-only ASes present in the Internet Routing Table: 430 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1109 Number of instances of unregistered ASNs: 1167 Number of 32-bit ASNs allocated by the RIRs: 41880 Number of 32-bit ASNs visible in the Routing Table: 34599 Prefixes from 32-bit ASNs in the Routing Table: 171772 Number of bogon 32-bit ASNs visible in the Routing Table: 153 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 624 Number of addresses announced to Internet: 3056986112 Equivalent to 182 /8s, 53 /16s and 232 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 307795 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243279 Total APNIC prefixes after maximum aggregation: 68887 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237504 Unique aggregates announced from the APNIC address blocks: 98235 APNIC Region origin ASes present in the Internet Routing Table: 13424 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3945 APNIC Region transit ASes present in the Internet Routing Table: 1794 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8742 Number of APNIC addresses announced to Internet: 773236992 Equivalent to 46 /8s, 22 /16s and 169 /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: 269663 Total ARIN prefixes after maximum aggregation: 122478 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272422 Unique aggregates announced from the ARIN address blocks: 130373 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4792 Number of ARIN addresses announced to Internet: 1280750848 Equivalent to 76 /8s, 86 /16s and 181 /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: 259964 Total RIPE prefixes after maximum aggregation: 122545 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255847 Unique aggregates announced from the RIPE address blocks: 158365 RIPE Region origin ASes present in the Internet Routing Table: 28339 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3910 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11192 Number of RIPE addresses announced to Internet: 717989632 Equivalent to 42 /8s, 203 /16s and 167 /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: 118480 Total LACNIC prefixes after maximum aggregation: 28434 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117719 Unique aggregates announced from the LACNIC address blocks: 49382 LACNIC Region origin ASes present in the Internet Routing Table: 10994 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2282 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8779 Number of LACNIC addresses announced to Internet: 176861696 Equivalent to 10 /8s, 138 /16s and 178 /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: 29302 Total AfriNIC prefixes after maximum aggregation: 5830 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37680 Unique aggregates announced from the AfriNIC address blocks: 12383 AfriNIC Region origin ASes present in the Internet Routing Table: 1745 AfriNIC Prefixes per ASN: 21.59 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107737600 Equivalent to 6 /8s, 107 /16s and 242 /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 9494 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5717 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4131 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3572 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1867 88 VNPT-AS-VN VNPT Corp, VN 7552 3229 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2961 491 241 BBIL-AP BHARTI Airtel Ltd., IN 4538 2733 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2398 837 447 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2301 11250 587 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 8323 10786 2931 AMAZON-02, US 11492 4537 300 603 CABLEONE, US 7155 4019 281 51 VIASAT-SP-BACKBONE, US 22773 3571 3068 272 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3082 1550 2329 AKAMAI-AS, US 396982 2655 3592 372 GOOGLE-CLOUD-PLATFORM, US 7018 2511 24149 1582 ATT-INTERNET4, US 30036 2498 360 451 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 7308 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4107 3399 165 AKAMAI-ASN1, NL 8551 3880 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2722 252 1405 M247, RO 34984 2281 360 604 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1846 949 530 TCI, IR 13188 1607 100 18 TRIOLAN, UA 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 11293 3332 594 Uninet S.A. de C.V., MX 10620 3519 508 855 Telmex Colombia S.A., CO 13999 2348 361 621 Mega Cable, S.A. de C.V., MX 11830 2268 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 1605 393 19 LINKdotNET-AS, EG 24835 1496 533 29 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1028 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 32 1 MOVITEL, MZ 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 11293 3332 594 Uninet S.A. de C.V., MX 9808 9494 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8323 10786 2931 AMAZON-02, US 12479 7308 1707 141 UNI2-AS, ES 7545 5717 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4537 300 603 CABLEONE, US 18403 4131 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4107 3399 165 AKAMAI-ASN1, NL 7155 4019 281 51 VIASAT-SP-BACKBONE, US 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 9494 9457 CHINAMOBILE-CN China Mobile Communications Grou 12479 7308 7167 UNI2-AS, ES 16509 8323 5392 AMAZON-02, US 7545 5717 5027 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4706 ALJAWWALSTC-AS, SA 18403 4131 4106 FPT-AS-AP FPT Telecom Company, VN 7155 4019 3968 VIASAT-SP-BACKBONE, US 20940 4107 3942 AKAMAI-ASN1, NL 11492 4537 3934 CABLEONE, US 8551 3880 3843 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:39 /11:104 /12:301 /13:581 /14:1198 /15:2087 /16:13473 /17:8207 /18:13804 /19:24965 /20:43633 /21:51250 /22:109539 /23:98296 /24:554289 /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 6380 7308 UNI2-AS, ES 8151 5260 11293 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3445 4537 CABLEONE, US 8551 3352 3880 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3525 SHAW, CA 7155 3069 4019 VIASAT-SP-BACKBONE, US 22773 2639 3571 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2072 3519 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) ---------------------------------------------- 1:2131 2:1309 3:175 4:5 5:4540 6:130 7:6 8:1529 9:1 11:172 12:1535 13:388 14:2306 15:303 16:188 17:370 18:423 20:258 21:4 22:188 23:6257 24:2604 25:6 27:2546 29:19 31:2489 32:76 34:21 35:111 36:1959 37:4685 38:4623 39:845 40:151 41:3913 42:1956 43:2358 44:309 45:16540 46:4302 47:362 49:1740 50:1843 51:570 52:1601 54:393 55:758 56:8 57:117 58:1881 59:1150 60:990 61:2498 62:2642 63:1919 64:5681 65:2319 66:5027 67:3024 68:1345 69:4105 70:1223 71:678 72:2989 74:2615 75:1557 76:608 77:2449 78:1818 79:3170 80:2120 81:1780 82:1500 83:1274 84:1528 85:2987 86:771 87:2022 88:1166 89:3690 90:618 91:7739 92:2061 93:2614 94:3626 95:4046 96:1310 97:336 98:1150 99:745 100:74 101:1073 102:2723 103:31469 104:4686 105:493 106:870 107:2586 108:1045 109:4419 110:2111 111:3107 112:2031 113:1718 114:1646 115:2038 116:1891 117:2548 118:2614 119:2020 120:1798 121:1095 122:2606 123:2164 124:1561 125:2495 128:1396 129:1023 130:1025 131:2001 132:842 133:422 134:1927 135:305 136:882 137:1095 138:2583 139:1555 140:1248 141:1442 142:1459 143:1514 144:1154 145:346 146:1943 147:1589 148:2384 149:2214 150:883 151:1158 152:1820 153:565 154:4434 155:1442 156:1817 157:1320 158:1077 159:2260 160:2548 161:1549 162:3518 163:1575 164:1620 165:1763 166:1073 167:1735 168:3879 169:941 170:4585 171:858 172:3564 173:2955 174:1074 175:1188 176:3703 177:4659 178:3596 179:2211 180:2628 181:3492 182:3355 183:2103 184:2348 185:20256 186:4779 187:4019 188:4096 189:3624 190:9169 191:1448 192:10947 193:8867 194:7314 195:5153 196:3097 197:2376 198:5942 199:6094 200:8054 201:5911 202:10599 203:10335 204:4579 205:3698 206:4301 207:3456 208:4103 209:4867 210:4370 211:2451 212:4167 213:3631 214:1060 215:59 216:6664 217:2696 218:1311 219:471 220:1997 221:978 222:781 223:2149 End of report