IPv4 R&E Routing Table Report 21:10 GMT Tue 13 Jun, 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: 923181 Prefixes after maximum aggregation (per Origin AS): 350018 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450491 Number of IPv4 prefixes with a valid ROA: 406921 Number of IPv4 prefixes with an invalid ROA: 2427 Number of IPv4 prefixes with no ROA: 513833 Total ASes present in the Internet Routing Table: 74500 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64054 Origin ASes announcing only one prefix: 26269 Transit ASes present in the Internet Routing Table: 10446 Transit-only ASes present in the Internet Routing Table: 426 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: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1112 Number of 32-bit ASNs allocated by the RIRs: 42071 Number of 32-bit ASNs visible in the Routing Table: 34685 Prefixes from 32-bit ASNs in the Routing Table: 172433 Number of bogon 32-bit ASNs visible in the Routing Table: 181 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 571 Number of addresses announced to Internet: 3055465984 Equivalent to 182 /8s, 30 /16s and 182 /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: 308034 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243489 Total APNIC prefixes after maximum aggregation: 69017 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237543 Unique aggregates announced from the APNIC address blocks: 98458 APNIC Region origin ASes present in the Internet Routing Table: 13453 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3979 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8776 Number of APNIC addresses announced to Internet: 773239040 Equivalent to 46 /8s, 22 /16s and 177 /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: 270605 Total ARIN prefixes after maximum aggregation: 123131 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273309 Unique aggregates announced from the ARIN address blocks: 130529 ARIN Region origin ASes present in the Internet Routing Table: 19130 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6990 ARIN Region transit ASes present in the Internet Routing Table: 1927 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: 4809 Number of ARIN addresses announced to Internet: 1280098816 Equivalent to 76 /8s, 76 /16s and 194 /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: 259965 Total RIPE prefixes after maximum aggregation: 122801 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256047 Unique aggregates announced from the RIPE address blocks: 159089 RIPE Region origin ASes present in the Internet Routing Table: 28337 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 63 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11202 Number of RIPE addresses announced to Internet: 717611776 Equivalent to 42 /8s, 197 /16s and 227 /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: 118582 Total LACNIC prefixes after maximum aggregation: 28485 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117723 Unique aggregates announced from the LACNIC address blocks: 49494 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2298 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: 8796 Number of LACNIC addresses announced to Internet: 176964608 Equivalent to 10 /8s, 140 /16s and 68 /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: 29495 Total AfriNIC prefixes after maximum aggregation: 5841 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37987 Unique aggregates announced from the AfriNIC address blocks: 12454 AfriNIC Region origin ASes present in the Internet Routing Table: 1754 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1102 Number of AfriNIC addresses announced to Internet: 107159808 Equivalent to 6 /8s, 99 /16s and 33 /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 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3535 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3376 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3363 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 3024 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2731 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2422 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 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 8481 10830 3096 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4105 284 78 VIASAT-SP-BACKBONE, US 22773 3571 3068 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3126 54969 2378 DNIC-AS-00749, US 16625 3117 1553 2351 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2471 24007 1565 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 7299 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 162 AKAMAI-ASN1, NL 8551 3461 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2943 2291 911 ROSTELECOM-AS, RU 9009 2670 248 1387 M247, RO 34984 2286 360 597 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1826 945 537 TCI, IR 61317 1655 111 1282 ASDETUK www.heficed.com, US 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 11406 3362 599 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2353 352 623 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 343 512 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1102 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1031 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 1580 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1303 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 478 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 11406 3362 599 Uninet S.A. de C.V., MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8481 10830 3096 AMAZON-02, US 12479 7299 1706 140 UNI2-AS, ES 7545 5722 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4105 284 78 VIASAT-SP-BACKBONE, US 20940 4080 3398 162 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 9514 9477 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7159 UNI2-AS, ES 16509 8481 5385 AMAZON-02, US 7545 5722 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4182 4157 FPT-AS-AP FPT Telecom Company, VN 7155 4105 4027 VIASAT-SP-BACKBONE, US 11492 4524 3921 CABLEONE, US 20940 4080 3918 AKAMAI-ASN1, NL 7713 3535 3469 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 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /11:103 /12:301 /13:582 /14:1198 /15:2096 /16:13469 /17:8223 /18:13812 /19:25006 /20:43502 /21:51363 /22:109750 /23:98408 /24:555298 /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 6388 7299 UNI2-AS, ES 8151 5363 11406 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3090 4105 VIASAT-SP-BACKBONE, US 8551 2929 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2637 3571 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3529 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) ---------------------------------------------- 1:2140 2:1275 3:202 4:5 5:4533 6:131 7:6 8:1523 9:1 11:172 12:1532 13:387 14:2301 15:304 16:190 17:370 18:449 20:262 21:4 22:188 23:6296 24:2600 25:6 27:2550 29:19 31:2512 32:78 34:22 35:112 36:1959 37:4691 38:4866 39:846 40:151 41:3934 42:1997 43:2324 44:305 45:16558 46:4295 47:376 49:1742 50:1873 51:585 52:1592 54:393 55:873 56:8 57:121 58:1893 59:1099 60:988 61:2518 62:2638 63:1902 64:5679 65:2326 66:5047 67:3076 68:1348 69:4133 70:1206 71:680 72:2988 74:2618 75:1558 76:611 77:2447 78:1825 79:2989 80:2109 81:1788 82:1496 83:1261 84:1525 85:3015 86:752 87:2014 88:1176 89:3744 90:613 91:7759 92:2050 93:2618 94:3621 95:4047 96:1317 97:336 98:1156 99:744 100:92 101:1080 102:2783 103:31599 104:4591 105:505 106:879 107:2588 108:1050 109:4203 110:2111 111:3120 112:2037 113:1727 114:1661 115:2045 116:1887 117:2521 118:2615 119:2002 120:1800 121:1097 122:2605 123:2148 124:1563 125:2487 128:1479 129:1058 130:1016 131:1984 132:857 133:422 134:1831 135:307 136:880 137:1091 138:2576 139:1546 140:1258 141:1434 142:1460 143:1512 144:1135 145:344 146:1949 147:1596 148:2437 149:2241 150:891 151:1160 152:1820 153:568 154:4532 155:1427 156:1829 157:1318 158:1089 159:2265 160:2553 161:1550 162:3515 163:1587 164:1628 165:1835 166:1098 167:1723 168:3860 169:950 170:4596 171:884 172:3583 173:2966 174:1072 175:1187 176:3711 177:4571 178:3615 179:2176 180:2553 181:3492 182:3393 183:2083 184:2342 185:20333 186:4812 187:3978 188:4102 189:3684 190:9227 191:1449 192:10934 193:8911 194:7337 195:5167 196:3128 197:2386 198:5967 199:6103 200:8012 201:5935 202:10560 203:10313 204:4564 205:3716 206:4303 207:3462 208:4108 209:4902 210:4375 211:2465 212:4225 213:3643 214:1089 215:59 216:6668 217:2731 218:1306 219:473 220:1997 221:967 222:755 223:2152 End of report