IPv4 R&E Routing Table Report 21:10 GMT Mon 16 Jan, 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: 917534 Prefixes after maximum aggregation (per Origin AS): 347470 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445130 Number of IPv4 prefixes with a valid ROA: 377342 Number of IPv4 prefixes with an invalid ROA: 2838 Number of IPv4 prefixes with no ROA: 537354 Total ASes present in the Internet Routing Table: 74073 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63663 Origin ASes announcing only one prefix: 26127 Transit ASes present in the Internet Routing Table: 10410 Transit-only ASes present in the Internet Routing Table: 417 Paths with bogon ASNs present in the IPv4 Routing Table: 53 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: 993 Number of instances of unregistered ASNs: 1004 Number of 32-bit ASNs allocated by the RIRs: 41058 Number of 32-bit ASNs visible in the Routing Table: 34047 Prefixes from 32-bit ASNs in the Routing Table: 166602 Number of bogon 32-bit ASNs visible in the Routing Table: 52 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 506 Number of addresses announced to Internet: 3063372032 Equivalent to 182 /8s, 151 /16s and 89 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 311758 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237816 Total APNIC prefixes after maximum aggregation: 68358 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232907 Unique aggregates announced from the APNIC address blocks: 97664 APNIC Region origin ASes present in the Internet Routing Table: 13238 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3842 APNIC Region transit ASes present in the Internet Routing Table: 1781 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8508 Number of APNIC addresses announced to Internet: 773495040 Equivalent to 46 /8s, 26 /16s and 153 /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: 267560 Total ARIN prefixes after maximum aggregation: 121979 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269031 Unique aggregates announced from the ARIN address blocks: 129649 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1937 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4723 Number of ARIN addresses announced to Internet: 1286005248 Equivalent to 76 /8s, 166 /16s and 226 /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: 264094 Total RIPE prefixes after maximum aggregation: 122265 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260941 Unique aggregates announced from the RIPE address blocks: 156283 RIPE Region origin ASes present in the Internet Routing Table: 28233 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3908 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10994 Number of RIPE addresses announced to Internet: 719341824 Equivalent to 42 /8s, 224 /16s and 73 /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: 117944 Total LACNIC prefixes after maximum aggregation: 28390 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117133 Unique aggregates announced from the LACNIC address blocks: 49006 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2271 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8768 Number of LACNIC addresses announced to Internet: 176097024 Equivalent to 10 /8s, 127 /16s and 7 /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: 29127 Total AfriNIC prefixes after maximum aggregation: 5712 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37015 Unique aggregates announced from the AfriNIC address blocks: 12115 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.65 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1054 Number of AfriNIC addresses announced to Internet: 108139520 Equivalent to 6 /8s, 114 /16s and 20 /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 9355 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5938 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3629 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3096 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2702 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 588 KIXS-AS-KR Korea Telecom, KR 4538 2264 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2183 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 7771 10702 2932 AMAZON-02, US 11492 4540 301 593 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3690 3062 320 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 63 SHAW, CA 16625 3450 1778 2511 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2623 24133 1591 ATT-INTERNET4, US 396982 2576 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2564 367 390 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 6963 1706 146 UNI2-AS, ES 9121 6158 1692 17 TTNET, TR 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4044 3399 175 AKAMAI-ASN1, NL 8551 3904 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 9009 2682 255 1354 M247, RO 47331 2660 384 2004 TTNET, TR 34984 2254 358 610 TELLCOM-AS, TR 6849 2193 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 11004 3338 589 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2209 362 594 Mega Cable, S.A. de C.V., MX 28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1136 186 458 Techtel LMDS Comunicaciones Interactiva 26615 1005 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 1538 533 30 RAYA-AS, EG 24863 1479 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1005 67 46 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 612 1861 34 IAM-AS, MA 15399 517 53 43 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 488 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 11004 3338 589 Uninet S.A. de C.V., MX 9808 9355 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7771 10702 2932 AMAZON-02, US 12479 6963 1706 146 UNI2-AS, ES 9121 6158 1692 17 TTNET, TR 7545 5938 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4540 301 593 CABLEONE, US 20940 4044 3399 175 AKAMAI-ASN1, NL 8551 3904 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9355 9308 CHINAMOBILE-CN China Mobile Communications Grou 12479 6963 6817 UNI2-AS, ES 9121 6158 6141 TTNET, TR 7545 5938 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7771 4839 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4540 3947 CABLEONE, US 20940 4044 3869 AKAMAI-ASN1, NL 8551 3904 3866 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 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 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 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 /12:299 /13:582 /14:1200 /15:2076 /16:13502 /17:8302 /18:13892 /19:25059 /20:43518 /21:52130 /22:110077 /23:98247 /24:548480 /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 6026 6963 UNI2-AS, ES 9121 5315 6158 TTNET, TR 8151 5018 11004 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3447 4540 CABLEONE, US 8551 3369 3904 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3523 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2725 3690 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2317 2660 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1629 2:1243 3:168 4:5 5:4117 6:110 7:5 8:1544 9:1 11:172 12:1593 13:374 14:2322 15:286 16:79 17:369 18:416 20:243 21:4 22:188 23:6054 24:2489 25:4 27:2724 29:19 31:2497 32:100 34:8 35:100 36:1863 37:4607 38:4026 39:833 40:155 41:3954 42:1051 43:2319 44:303 45:16404 46:4166 47:381 49:1730 50:1920 51:379 52:1543 54:393 55:860 56:8 57:81 58:1754 59:1170 60:1010 61:2414 62:2638 63:1940 64:5663 65:2324 66:4914 67:3054 68:1343 69:4119 70:1256 71:663 72:2978 74:2589 75:1465 76:597 77:2385 78:3929 79:3167 80:2067 81:1825 82:1481 83:1237 84:1521 85:3753 86:742 87:1940 88:2856 89:3563 90:591 91:7651 92:1989 93:2579 94:3522 95:4874 96:1306 97:346 98:1164 99:740 100:77 101:1063 102:2551 103:30900 104:4599 105:483 106:842 107:2533 108:916 109:4390 110:2053 111:3257 112:2043 113:1485 114:1599 115:2096 116:1850 117:2549 118:2288 119:1891 120:1731 121:1080 122:2588 123:2183 124:1542 125:2325 128:1324 129:1057 130:970 131:2013 132:846 133:406 134:1899 135:298 136:895 137:1067 138:2588 139:1551 140:1035 141:1477 142:1425 143:1448 144:1189 145:350 146:1905 147:1551 148:2300 149:1878 150:869 151:1131 152:1971 153:557 154:3916 155:1400 156:1659 157:1302 158:1047 159:2272 160:2567 161:1432 162:3553 163:1492 164:1694 165:1669 166:832 167:1760 168:3882 169:922 170:4588 171:885 172:3498 173:3009 174:1025 175:1164 176:3719 177:4792 178:3553 179:2177 180:2428 181:3357 182:3238 183:1931 184:2342 185:19999 186:4674 187:3958 188:4085 189:3512 190:9056 191:1435 192:10964 193:8860 194:7235 195:5120 196:3016 197:2402 198:5992 199:6112 200:7744 201:5875 202:10523 203:10240 204:4614 205:3522 206:3860 207:3418 208:4091 209:4819 210:4365 211:2429 212:4106 213:3590 214:1096 215:55 216:6602 217:2642 218:1297 219:474 220:2037 221:972 222:740 223:1972 End of report