IPv4 R&E Routing Table Report 21:10 GMT Mon 07 Aug, 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: 926160 Prefixes after maximum aggregation (per Origin AS): 350962 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452539 Number of IPv4 prefixes with a valid ROA: 415999 Number of IPv4 prefixes with an invalid ROA: 2270 Number of IPv4 prefixes with no ROA: 507891 Total ASes present in the Internet Routing Table: 74630 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64157 Origin ASes announcing only one prefix: 26265 Transit ASes present in the Internet Routing Table: 10473 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 62 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1089 Number of instances of unregistered ASNs: 1105 Number of 32-bit ASNs allocated by the RIRs: 42395 Number of 32-bit ASNs visible in the Routing Table: 34886 Prefixes from 32-bit ASNs in the Routing Table: 173952 Number of bogon 32-bit ASNs visible in the Routing Table: 84 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 575 Number of addresses announced to Internet: 3052628736 Equivalent to 181 /8s, 243 /16s and 107 /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: 99.6 Total number of prefixes smaller than registry allocations: 308637 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244674 Total APNIC prefixes after maximum aggregation: 69635 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 238490 Unique aggregates announced from the APNIC address blocks: 98929 APNIC Region origin ASes present in the Internet Routing Table: 13541 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3989 APNIC Region transit ASes present in the Internet Routing Table: 1785 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8875 Number of APNIC addresses announced to Internet: 773140224 Equivalent to 46 /8s, 21 /16s and 47 /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: 271882 Total ARIN prefixes after maximum aggregation: 123679 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273849 Unique aggregates announced from the ARIN address blocks: 130883 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.35 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1928 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1276749312 Equivalent to 76 /8s, 25 /16s and 166 /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: 260084 Total RIPE prefixes after maximum aggregation: 122446 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257062 Unique aggregates announced from the RIPE address blocks: 159880 RIPE Region origin ASes present in the Internet Routing Table: 28385 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 3911 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: 11282 Number of RIPE addresses announced to Internet: 716635392 Equivalent to 42 /8s, 182 /16s and 253 /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: 118854 Total LACNIC prefixes after maximum aggregation: 28558 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117963 Unique aggregates announced from the LACNIC address blocks: 49685 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8811 Number of LACNIC addresses announced to Internet: 178375168 Equivalent to 10 /8s, 161 /16s and 202 /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: 29577 Total AfriNIC prefixes after maximum aggregation: 5904 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 38220 Unique aggregates announced from the AfriNIC address blocks: 12681 AfriNIC Region origin ASes present in the Internet Routing Table: 1762 AfriNIC Prefixes per ASN: 21.69 AfriNIC Region origin ASes announcing only one prefix: 619 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1110 Number of AfriNIC addresses announced to Internet: 107339264 Equivalent to 6 /8s, 101 /16s and 222 /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 9526 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5691 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3588 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3355 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3334 1835 91 VNPT-AS-VN VNPT Corp, VN 9498 3061 498 247 BBIL-AP BHARTI Airtel Ltd., IN 4538 2947 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2476 841 428 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 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 8845 10941 3167 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4194 288 101 VIASAT-SP-BACKBONE, US 22773 3561 3070 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3096 1515 2328 AKAMAI-AS, US 367 2967 3825 1402 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2495 358 412 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 7327 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4093 3398 156 AKAMAI-ASN1, NL 8551 3455 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2950 2294 914 ROSTELECOM-AS, RU 9009 2669 248 1391 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 6849 1535 307 17 UKRTELNET, 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 11608 3371 604 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2424 362 635 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 173 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1124 370 22 Telefonica del Peru S.A.A., PE 11664 1114 181 435 Techtel LMDS Comunicaciones Interactiva 26615 1040 2500 48 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1357 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 465 32 1 MOVITEL, MZ 15399 448 54 48 WANANCHI-, KE 24757 440 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 11608 3371 604 UNINET, MX 9808 9526 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8845 10941 3167 AMAZON-02, US 12479 7327 1707 142 UNI2-AS, ES 7545 5691 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4194 288 101 VIASAT-SP-BACKBONE, US 20940 4093 3398 156 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 9526 9489 CHINAMOBILE-CN China Mobile Communications Grou 12479 7327 7185 UNI2-AS, ES 16509 8845 5678 AMAZON-02, US 7545 5691 5003 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4194 4093 VIASAT-SP-BACKBONE, US 20940 4093 3937 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7713 3588 3525 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 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 RESERVED, ZZ 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 /11:102 /12:296 /13:575 /14:1195 /15:2101 /16:13481 /17:8242 /18:13823 /19:24993 /20:43911 /21:51443 /22:109929 /23:98902 /24:557097 /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 6416 7327 UNI2-AS, ES 8151 5616 11608 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4194 VIASAT-SP-BACKBONE, US 8551 2924 3455 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2610 3561 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3534 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) ---------------------------------------------- 1:2199 2:1339 3:231 4:5 5:4497 6:134 7:6 8:1534 9:1 11:172 12:1518 13:384 14:2295 15:302 16:197 17:374 18:595 20:273 21:4 22:188 23:6373 24:2636 25:6 27:2567 29:19 31:2522 32:78 34:25 35:114 36:1969 37:4659 38:5116 39:836 40:147 41:3880 42:2025 43:2331 44:310 45:16630 46:4313 47:384 49:1773 50:1862 51:585 52:1594 54:391 55:868 56:8 57:122 58:1903 59:1168 60:994 61:2470 62:2652 63:1918 64:5587 65:2312 66:4951 67:3009 68:1321 69:4092 70:1207 71:689 72:2974 74:2633 75:1577 76:620 77:2455 78:1832 79:2974 80:2114 81:1800 82:1499 83:1284 84:1535 85:2969 86:764 87:1998 88:1173 89:3861 90:616 91:7832 92:2062 93:2582 94:3561 95:4041 96:1305 97:319 98:1086 99:735 100:91 101:1318 102:2825 103:32000 104:4589 105:565 106:878 107:2550 108:1096 109:4261 110:2110 111:3130 112:2061 113:1737 114:1671 115:2040 116:1896 117:2532 118:2677 119:1977 120:1788 121:1126 122:2588 123:2166 124:1568 125:2500 128:1468 129:1051 130:1030 131:1971 132:806 133:422 134:1790 135:307 136:899 137:1109 138:2637 139:1581 140:1243 141:1288 142:1473 143:1499 144:997 145:343 146:1966 147:1612 148:2437 149:2194 150:886 151:1182 152:1841 153:577 154:4684 155:1376 156:1887 157:1319 158:1081 159:2232 160:2591 161:1571 162:3521 163:1588 164:1716 165:1868 166:991 167:1735 168:3872 169:929 170:4606 171:881 172:3643 173:2974 174:995 175:1187 176:3749 177:4628 178:3599 179:2170 180:2504 181:3490 182:3400 183:1990 184:2314 185:20517 186:4749 187:4129 188:4129 189:3798 190:9229 191:1394 192:10949 193:8944 194:7288 195:5167 196:3099 197:2377 198:6002 199:6096 200:8041 201:5986 202:10519 203:10217 204:4545 205:3664 206:4307 207:3445 208:4157 209:4940 210:4436 211:2476 212:4251 213:3594 214:1089 215:60 216:6729 217:2767 218:1299 219:477 220:2031 221:972 222:762 223:2161 End of report