IPv4 R&E Routing Table Report 21:10 GMT Tue 27 Dec, 2022 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: 915984 Prefixes after maximum aggregation (per Origin AS): 347041 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 444418 Number of IPv4 prefixes with a valid ROA: 374525 Number of IPv4 prefixes with an invalid ROA: 2813 Number of IPv4 prefixes with no ROA: 538646 Total ASes present in the Internet Routing Table: 73981 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63581 Origin ASes announcing only one prefix: 26097 Transit ASes present in the Internet Routing Table: 10400 Transit-only ASes present in the Internet Routing Table: 419 Paths with bogon ASNs present in the IPv4 Routing Table: 61 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1034 Number of instances of unregistered ASNs: 1043 Number of 32-bit ASNs allocated by the RIRs: 40976 Number of 32-bit ASNs visible in the Routing Table: 33930 Prefixes from 32-bit ASNs in the Routing Table: 165697 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3065216000 Equivalent to 182 /8s, 179 /16s and 124 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 311233 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237667 Total APNIC prefixes after maximum aggregation: 68217 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232586 Unique aggregates announced from the APNIC address blocks: 97469 APNIC Region origin ASes present in the Internet Routing Table: 13184 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 3839 APNIC Region transit ASes present in the Internet Routing Table: 1784 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8452 Number of APNIC addresses announced to Internet: 773357056 Equivalent to 46 /8s, 24 /16s and 126 /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: 267486 Total ARIN prefixes after maximum aggregation: 122072 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 268897 Unique aggregates announced from the ARIN address blocks: 129516 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4706 Number of ARIN addresses announced to Internet: 1287880960 Equivalent to 76 /8s, 195 /16s and 129 /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: 263429 Total RIPE prefixes after maximum aggregation: 121977 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260393 Unique aggregates announced from the RIPE address blocks: 156031 RIPE Region origin ASes present in the Internet Routing Table: 28203 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12024 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10949 Number of RIPE addresses announced to Internet: 719591424 Equivalent to 42 /8s, 228 /16s and 24 /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: 117650 Total LACNIC prefixes after maximum aggregation: 28307 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116925 Unique aggregates announced from the LACNIC address blocks: 48947 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2261 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: 8768 Number of LACNIC addresses announced to Internet: 175996416 Equivalent to 10 /8s, 125 /16s and 126 /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: 28718 Total AfriNIC prefixes after maximum aggregation: 5694 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36672 Unique aggregates announced from the AfriNIC address blocks: 12044 AfriNIC Region origin ASes present in the Internet Routing Table: 1715 AfriNIC Prefixes per ASN: 21.38 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1055 Number of AfriNIC addresses announced to Internet: 108096768 Equivalent to 6 /8s, 113 /16s and 109 /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 9174 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5946 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3353 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2681 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2274 11247 592 KIXS-AS-KR Korea Telecom, KR 4538 2263 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2180 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 7731 10632 2941 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3692 3062 321 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3469 1797 2512 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2611 24131 1584 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 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 6960 1706 146 UNI2-AS, ES 9121 6173 1692 17 TTNET, TR 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4051 3400 179 AKAMAI-ASN1, NL 8551 3697 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2915 2290 907 ROSTELECOM-AS, RU 47331 2685 386 2025 TTNET, TR 9009 2650 252 1359 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2195 339 20 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 10931 3340 591 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2255 369 64 Instituto Costarricense de Electricidad 13999 2193 359 587 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1133 186 460 Techtel LMDS Comunicaciones Interactiva 26615 991 2466 43 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 24835 1516 537 32 RAYA-AS, EG 24863 1458 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 40 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 372 319 71 TENET-1, ZA 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 10931 3340 591 Uninet S.A. de C.V., MX 9808 9174 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7731 10632 2941 AMAZON-02, US 12479 6960 1706 146 UNI2-AS, ES 9121 6173 1692 17 TTNET, TR 7545 5946 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4051 3400 179 AKAMAI-ASN1, NL 7155 3894 265 33 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 9174 9127 CHINAMOBILE-CN China Mobile Communications Grou 12479 6960 6814 UNI2-AS, ES 9121 6173 6156 TTNET, TR 7545 5946 5244 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7731 4790 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4051 3872 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3697 3659 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 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 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6461 ZAYO-6461, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:39 /11:101 /12:300 /13:587 /14:1199 /15:2076 /16:13503 /17:8299 /18:13885 /19:25038 /20:43638 /21:52144 /22:109935 /23:98044 /24:547166 /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 6005 6960 UNI2-AS, ES 9121 5326 6173 TTNET, TR 8151 4917 10931 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3162 3697 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2726 3692 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2342 2685 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1624 2:1240 3:168 4:5 5:4107 6:110 7:5 8:1545 9:1 11:172 12:1599 13:368 14:2357 15:282 16:76 17:370 18:408 20:243 21:4 22:188 23:6013 24:2482 25:4 27:2788 29:19 31:2498 32:101 34:8 35:95 36:1825 37:4599 38:3959 39:821 40:144 41:3920 42:1052 43:2316 44:309 45:16471 46:4246 47:381 49:1708 50:1934 51:374 52:1542 54:395 55:735 56:8 57:84 58:1758 59:1169 60:1009 61:2427 62:2598 63:1938 64:5651 65:2322 66:4908 67:3037 68:1363 69:4141 70:1256 71:663 72:2993 74:2595 75:1464 76:597 77:2360 78:3940 79:2940 80:2066 81:1830 82:1487 83:1238 84:1516 85:3744 86:741 87:1925 88:2853 89:3522 90:591 91:7639 92:1988 93:2570 94:3507 95:4853 96:1315 97:344 98:1175 99:741 100:75 101:1061 102:2542 103:30809 104:4603 105:484 106:849 107:2546 108:916 109:4391 110:2048 111:3260 112:2025 113:1509 114:1597 115:2094 116:1845 117:2481 118:2283 119:1891 120:1694 121:1069 122:2589 123:2173 124:1521 125:2303 128:1301 129:1056 130:973 131:2011 132:848 133:404 134:1901 135:297 136:889 137:1061 138:2600 139:1513 140:1030 141:1489 142:1419 143:1450 144:1187 145:352 146:1902 147:1524 148:2289 149:1856 150:869 151:1146 152:1967 153:555 154:3813 155:1410 156:1641 157:1294 158:1045 159:2239 160:2578 161:1435 162:3559 163:1489 164:1694 165:1662 166:826 167:1756 168:3870 169:922 170:4569 171:887 172:3519 173:3060 174:1025 175:1152 176:3641 177:4803 178:3525 179:2156 180:2426 181:3376 182:3234 183:1936 184:2366 185:19989 186:4647 187:3927 188:4091 189:3450 190:9056 191:1475 192:10988 193:8842 194:7192 195:5104 196:2976 197:2395 198:5991 199:6107 200:7731 201:5875 202:10525 203:10238 204:4612 205:3516 206:3844 207:3406 208:4117 209:4833 210:4357 211:2422 212:4091 213:3553 214:1105 215:55 216:6598 217:2656 218:1289 219:473 220:2034 221:957 222:739 223:1978 End of report