IPv4 R&E Routing Table Report 21:10 GMT Wed 27 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: 936704 Prefixes after maximum aggregation (per Origin AS): 356956 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455793 Number of IPv4 prefixes with a valid ROA: 435686 Number of IPv4 prefixes with an invalid ROA: 2083 Number of IPv4 prefixes with no ROA: 498935 Total ASes present in the Internet Routing Table: 75162 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64605 Origin ASes announcing only one prefix: 26532 Transit ASes present in the Internet Routing Table: 10557 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 45 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: 1075 Number of instances of unregistered ASNs: 1078 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 35587 Prefixes from 32-bit ASNs in the Routing Table: 179345 Number of bogon 32-bit ASNs visible in the Routing Table: 27 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3046930944 Equivalent to 181 /8s, 156 /16s and 122 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 310567 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248546 Total APNIC prefixes after maximum aggregation: 71784 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 241662 Unique aggregates announced from the APNIC address blocks: 99607 APNIC Region origin ASes present in the Internet Routing Table: 13845 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 4167 APNIC Region transit ASes present in the Internet Routing Table: 1869 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: 9218 Number of APNIC addresses announced to Internet: 770737152 Equivalent to 45 /8s, 240 /16s and 132 /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: 273753 Total ARIN prefixes after maximum aggregation: 124477 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278483 Unique aggregates announced from the ARIN address blocks: 132683 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6945 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: 4829 Number of ARIN addresses announced to Internet: 1275508736 Equivalent to 76 /8s, 6 /16s and 184 /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: 262769 Total RIPE prefixes after maximum aggregation: 125118 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257404 Unique aggregates announced from the RIPE address blocks: 160866 RIPE Region origin ASes present in the Internet Routing Table: 28502 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3895 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: 11486 Number of RIPE addresses announced to Internet: 714437376 Equivalent to 42 /8s, 149 /16s and 115 /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: 120145 Total LACNIC prefixes after maximum aggregation: 28815 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118841 Unique aggregates announced from the LACNIC address blocks: 49405 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2349 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: 8899 Number of LACNIC addresses announced to Internet: 178197760 Equivalent to 10 /8s, 159 /16s and 21 /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: 30416 Total AfriNIC prefixes after maximum aggregation: 6027 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39804 Unique aggregates announced from the AfriNIC address blocks: 12809 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1155 Number of AfriNIC addresses announced to Internet: 107756288 Equivalent to 6 /8s, 108 /16s and 59 /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 9786 8738 52 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4534 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3412 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3244 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 3025 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2941 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 590 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 9477 11202 3354 AMAZON-02, US 11492 4562 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 3201 1418 2324 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2972 3860 1419 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2531 23624 1577 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 7559 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4005 3397 143 AKAMAI-ASN1, NL 9009 3491 300 1630 M247, RO 8551 3348 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2999 2301 912 ROSTELECOM-AS, RU 34984 2332 360 595 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 12142 3382 591 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 1105 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 115 375 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 1058 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 515 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 24757 478 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 12142 3382 591 UNINET, MX 9808 9786 8738 52 CHINAMOBILE-CN China Mobile Communicati 16509 9477 11202 3354 AMAZON-02, US 12479 7559 1714 146 UNI2-AS, ES 7545 5677 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4534 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4005 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 9786 9734 CHINAMOBILE-CN China Mobile Communications Grou 12479 7559 7413 UNI2-AS, ES 16509 9477 6123 AMAZON-02, US 7545 5677 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4534 4509 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 4005 3862 AKAMAI-ASN1, NL 7713 3599 3535 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 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 36.50.238.0/24 Origin: 152192 GMTECH-AS-AP GM Tech, BD 36.50.238.0/24 Transit: 56264 TOMATOWEB-BD Tomato Web Pvt Limited, BD 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 /11:99 /12:298 /13:581 /14:1191 /15:2089 /16:13434 /17:8242 /18:13774 /19:25015 /20:43927 /21:51587 /22:110527 /23:99840 /24:566031 /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 6648 7559 UNI2-AS, ES 8151 6155 12142 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3117 4173 VIASAT-SP-BACKBONE, US 8551 2825 3348 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2560 3509 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2129 2472 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 2:1409 3:283 4:5 5:4398 6:163 7:6 8:1509 9:1 11:172 12:1488 13:373 14:2324 15:309 16:206 17:361 18:711 20:344 21:4 22:188 23:6570 24:2605 25:2 27:2593 29:19 31:2546 32:53 34:36 35:120 36:2120 37:4493 38:5786 39:884 40:147 41:4132 42:2193 43:2318 44:326 45:16725 46:4351 47:283 49:1896 50:1889 51:574 52:1595 54:377 55:893 56:5 57:131 58:1934 59:1164 60:1012 61:2585 62:2745 63:1909 64:5511 65:2223 66:5011 67:3045 68:1341 69:4057 70:1180 71:618 72:2922 74:2628 75:1548 76:629 77:2341 78:1827 79:3004 80:2112 81:1866 82:1532 83:1321 84:1629 85:2987 86:790 87:1965 88:1233 89:3969 90:657 91:7904 92:2174 93:2636 94:3599 95:4012 96:1299 97:316 98:1019 99:738 100:95 101:1156 102:3034 103:32588 104:4785 105:600 106:975 107:2761 108:1146 109:4166 110:2132 111:3153 112:2082 113:1715 114:1741 115:2055 116:1934 117:2571 118:2776 119:1961 120:1784 121:1296 122:2642 123:2196 124:1585 125:2792 128:1500 129:915 130:1082 131:1978 132:869 133:411 134:1703 135:295 136:887 137:1186 138:2737 139:1555 140:1342 141:1352 142:1541 143:1524 144:999 145:341 146:2024 147:1638 148:2492 149:2392 150:1022 151:1310 152:1846 153:595 154:5426 155:1369 156:2111 157:1384 158:1080 159:2210 160:2618 161:1619 162:3600 163:1642 164:1633 165:1873 166:1080 167:1742 168:3843 169:793 170:4697 171:960 172:3774 173:3016 174:892 175:1227 176:3597 177:4624 178:3557 179:2226 180:2412 181:3637 182:3421 183:2026 184:2270 185:20523 186:4821 187:4306 188:4019 189:3951 190:9340 191:1484 192:11037 193:8994 194:7363 195:5227 196:3139 197:2579 198:6002 199:6810 200:8082 201:6251 202:10513 203:10262 204:4591 205:3671 206:4445 207:3491 208:4099 209:4946 210:4563 211:2532 212:4218 213:3392 214:1121 215:50 216:6777 217:2772 218:1334 219:478 220:2049 221:1024 222:784 223:2191 End of report