IPv4 R&E Routing Table Report 21:10 GMT Sat 30 Dec, 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: 938177 Prefixes after maximum aggregation (per Origin AS): 357162 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 456193 Number of IPv4 prefixes with a valid ROA: 436352 Number of IPv4 prefixes with an invalid ROA: 2168 Number of IPv4 prefixes with no ROA: 499657 Total ASes present in the Internet Routing Table: 75172 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 64592 Origin ASes announcing only one prefix: 26528 Transit ASes present in the Internet Routing Table: 10580 Transit-only ASes present in the Internet Routing Table: 478 Paths with bogon ASNs present in the IPv4 Routing Table: 44 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1066 Number of instances of unregistered ASNs: 1069 Number of 32-bit ASNs allocated by the RIRs: 43286 Number of 32-bit ASNs visible in the Routing Table: 35595 Prefixes from 32-bit ASNs in the Routing Table: 179598 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 490 Number of addresses announced to Internet: 3044879360 Equivalent to 181 /8s, 125 /16s and 44 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 310696 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249412 Total APNIC prefixes after maximum aggregation: 71916 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 242485 Unique aggregates announced from the APNIC address blocks: 99573 APNIC Region origin ASes present in the Internet Routing Table: 13838 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 4158 APNIC Region transit ASes present in the Internet Routing Table: 1867 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9216 Number of APNIC addresses announced to Internet: 770662912 Equivalent to 45 /8s, 239 /16s and 98 /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: 274082 Total ARIN prefixes after maximum aggregation: 124504 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278846 Unique aggregates announced from the ARIN address blocks: 132979 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1928 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: 4828 Number of ARIN addresses announced to Internet: 1273429248 Equivalent to 75 /8s, 230 /16s and 253 /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: 262767 Total RIPE prefixes after maximum aggregation: 125135 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257347 Unique aggregates announced from the RIPE address blocks: 160935 RIPE Region origin ASes present in the Internet Routing Table: 28501 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3890 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11488 Number of RIPE addresses announced to Internet: 714354176 Equivalent to 42 /8s, 148 /16s and 46 /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: 120277 Total LACNIC prefixes after maximum aggregation: 28831 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118968 Unique aggregates announced from the LACNIC address blocks: 49470 LACNIC Region origin ASes present in the Internet Routing Table: 11059 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2364 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8906 Number of LACNIC addresses announced to Internet: 178407168 Equivalent to 10 /8s, 162 /16s and 71 /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: 30573 Total AfriNIC prefixes after maximum aggregation: 6045 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 40040 Unique aggregates announced from the AfriNIC address blocks: 12832 AfriNIC Region origin ASes present in the Internet Routing Table: 1813 AfriNIC Prefixes per ASN: 22.08 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 347 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: 1157 Number of AfriNIC addresses announced to Internet: 107737088 Equivalent to 6 /8s, 107 /16s and 240 /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 9784 8738 52 CHINAMOBILE-CN China Mobile Communicati 7545 5673 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4543 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3835 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3416 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3249 1867 93 VNPT-AS-VN VNPT Corp, VN 4538 2941 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2662 857 371 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2186 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9458 11200 3354 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3509 3071 298 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3187 1409 2314 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2967 3839 1415 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2504 23622 1572 ATT-INTERNET4, 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 7564 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4012 3397 143 AKAMAI-ASN1, NL 9009 3486 300 1629 M247, RO 8551 3337 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 3000 2301 912 ROSTELECOM-AS, RU 34984 2326 359 597 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 872 576 TCI, IR 44477 1449 95 715 STARK-INDUSTRIES, GB 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 12164 3384 590 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1106 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 116 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 516 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 37342 481 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 12164 3384 590 UNINET, MX 9808 9784 8738 52 CHINAMOBILE-CN China Mobile Communicati 16509 9458 11200 3354 AMAZON-02, US 12479 7564 1714 146 UNI2-AS, ES 7545 5673 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4543 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4012 3397 143 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 9784 9732 CHINAMOBILE-CN China Mobile Communications Grou 12479 7564 7418 UNI2-AS, ES 16509 9458 6104 AMAZON-02, US 7545 5673 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4543 4518 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4012 3869 AKAMAI-ASN1, NL 7552 3835 3815 VIETEL-AS-AP Viettel Group, VN 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 /10:37 /11:99 /12:298 /13:581 /14:1191 /15:2088 /16:13435 /17:8242 /18:13775 /19:25012 /20:43926 /21:51919 /22:110752 /23:99951 /24:566840 /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 6652 7564 UNI2-AS, ES 8151 6171 12164 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3117 4173 VIASAT-SP-BACKBONE, US 8551 2814 3337 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2560 3509 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 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) ---------------------------------------------- 1:2276 2:1408 3:284 4:5 5:4403 6:163 7:6 8:1507 9:1 11:172 12:1487 13:375 14:2324 15:309 16:206 17:361 18:710 20:344 21:4 22:188 23:6579 24:2603 25:2 27:2636 29:19 31:2547 32:53 34:35 35:120 36:2126 37:4493 38:5827 39:884 40:147 41:4131 42:2201 43:2317 44:323 45:16732 46:4339 47:285 49:1895 50:1882 51:574 52:1593 54:368 55:888 56:5 57:131 58:1934 59:1162 60:1012 61:2586 62:2754 63:1908 64:5514 65:2223 66:5026 67:3038 68:1339 69:4058 70:1180 71:619 72:2921 74:2628 75:1547 76:629 77:2342 78:1827 79:2999 80:2113 81:1871 82:1535 83:1325 84:1631 85:2994 86:791 87:1961 88:1231 89:3967 90:656 91:7905 92:2174 93:2631 94:3595 95:4017 96:1298 97:316 98:1019 99:738 100:95 101:1160 102:3035 103:32562 104:4784 105:600 106:972 107:2761 108:1148 109:4159 110:2130 111:3150 112:2080 113:1712 114:1741 115:2055 116:1962 117:2636 118:2777 119:1961 120:1786 121:1297 122:2639 123:2197 124:1586 125:2795 128:1497 129:915 130:1071 131:1982 132:873 133:411 134:1703 135:304 136:916 137:1186 138:2727 139:1561 140:1343 141:1341 142:1542 143:1531 144:1001 145:340 146:2020 147:1638 148:2498 149:2384 150:1022 151:1312 152:1968 153:595 154:5505 155:1370 156:2119 157:1384 158:1079 159:2209 160:2618 161:1618 162:3598 163:1680 164:1632 165:2117 166:1075 167:1743 168:3841 169:794 170:4700 171:976 172:3774 173:3015 174:892 175:1226 176:3600 177:4621 178:3557 179:2232 180:2416 181:3643 182:3420 183:2027 184:2269 185:20519 186:4825 187:4311 188:4018 189:3980 190:9350 191:1489 192:11037 193:8988 194:7356 195:5226 196:3141 197:2605 198:6008 199:6826 200:8101 201:6259 202:10514 203:10221 204:4595 205:3677 206:4447 207:3496 208:4099 209:4954 210:4579 211:2532 212:4219 213:3400 214:1114 215:50 216:6778 217:2775 218:1330 219:477 220:2052 221:1024 222:784 223:2191 End of report