IPv4 R&E Routing Table Report 21:10 GMT Thu 09 Feb, 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: 918043 Prefixes after maximum aggregation (per Origin AS): 347764 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 446015 Number of IPv4 prefixes with a valid ROA: 380313 Number of IPv4 prefixes with an invalid ROA: 2865 Number of IPv4 prefixes with no ROA: 534865 Total ASes present in the Internet Routing Table: 74083 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63634 Origin ASes announcing only one prefix: 26101 Transit ASes present in the Internet Routing Table: 10449 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 41189 Number of 32-bit ASNs visible in the Routing Table: 34128 Prefixes from 32-bit ASNs in the Routing Table: 167027 Number of bogon 32-bit ASNs visible in the Routing Table: 61 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 552 Number of addresses announced to Internet: 3061985280 Equivalent to 182 /8s, 130 /16s and 48 /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: 311814 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238363 Total APNIC prefixes after maximum aggregation: 68544 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233390 Unique aggregates announced from the APNIC address blocks: 97943 APNIC Region origin ASes present in the Internet Routing Table: 13267 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3840 APNIC Region transit ASes present in the Internet Routing Table: 1789 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8558 Number of APNIC addresses announced to Internet: 773201664 Equivalent to 46 /8s, 22 /16s and 31 /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: 267241 Total ARIN prefixes after maximum aggregation: 121701 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269169 Unique aggregates announced from the ARIN address blocks: 130120 ARIN Region origin ASes present in the Internet Routing Table: 19070 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1941 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4740 Number of ARIN addresses announced to Internet: 1285639168 Equivalent to 76 /8s, 161 /16s and 76 /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: 264424 Total RIPE prefixes after maximum aggregation: 122566 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 261040 Unique aggregates announced from the RIPE address blocks: 156391 RIPE Region origin ASes present in the Internet Routing Table: 28208 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3918 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10997 Number of RIPE addresses announced to Internet: 718450432 Equivalent to 42 /8s, 210 /16s and 175 /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: 117599 Total LACNIC prefixes after maximum aggregation: 28408 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116837 Unique aggregates announced from the LACNIC address blocks: 49070 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2643 LACNIC Region transit ASes present in the Internet Routing Table: 2275 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: 8766 Number of LACNIC addresses announced to Internet: 176325888 Equivalent to 10 /8s, 130 /16s and 133 /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: 29348 Total AfriNIC prefixes after maximum aggregation: 5756 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37054 Unique aggregates announced from the AfriNIC address blocks: 12045 AfriNIC Region origin ASes present in the Internet Routing Table: 1721 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1067 Number of AfriNIC addresses announced to Internet: 108030976 Equivalent to 6 /8s, 112 /16s and 108 /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 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5858 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3530 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3406 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3350 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2753 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 842 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 KIXS-AS-KR Korea Telecom, KR 4538 2256 4184 73 ERX-CERNET-BKB China Education and Rese 45090 2184 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 7902 10726 2939 AMAZON-02, US 11492 4534 300 598 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3657 3079 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3325 1681 2429 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2600 3583 350 GOOGLE-CLOUD-PLATFORM, US 7018 2591 24126 1573 ATT-INTERNET4, US 30036 2555 366 383 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 6983 1705 148 UNI2-AS, ES 9121 6142 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4040 3399 170 AKAMAI-ASN1, NL 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2696 257 1375 M247, RO 47331 2428 359 1831 TTNET, TR 34984 2266 359 609 TELLCOM-AS, TR 6849 2252 339 19 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 11107 3348 588 Uninet S.A. de C.V., MX 10620 3479 508 859 Telmex Colombia S.A., CO 11830 2259 369 64 Instituto Costarricense de Electricidad 13999 2242 374 605 Mega Cable, S.A. de C.V., MX 28573 1352 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1092 179 457 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 1539 533 30 RAYA-AS, EG 24863 1501 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 491 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 11107 3348 588 Uninet S.A. de C.V., MX 9808 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7902 10726 2939 AMAZON-02, US 12479 6983 1705 148 UNI2-AS, ES 9121 6142 1692 17 TTNET, TR 7545 5858 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4534 300 598 CABLEONE, US 20940 4040 3399 170 AKAMAI-ASN1, NL 7155 3899 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 9447 9399 CHINAMOBILE-CN China Mobile Communications Grou 12479 6983 6835 UNI2-AS, ES 9121 6142 6125 TTNET, TR 7545 5858 5154 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7902 4963 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4534 3936 CABLEONE, US 20940 4040 3870 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3891 3854 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 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 /11:103 /12:299 /13:580 /14:1202 /15:2073 /16:13479 /17:8279 /18:13850 /19:25040 /20:43703 /21:52043 /22:109932 /23:98132 /24:549259 /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 6048 6983 UNI2-AS, ES 9121 5298 6142 TTNET, TR 8151 5112 11107 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3449 4534 CABLEONE, US 8551 3363 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2707 3657 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2212 2555 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1631 2:1239 3:168 4:5 5:4304 6:114 7:5 8:1530 9:1 11:172 12:1586 13:381 14:2338 15:290 16:79 17:365 18:395 20:244 21:4 22:188 23:6067 24:2529 25:4 27:2654 29:19 31:2508 32:105 34:8 35:106 36:1893 37:4588 38:4107 39:839 40:154 41:4043 42:1063 43:2332 44:302 45:16442 46:4146 47:381 49:1735 50:1839 51:383 52:1555 54:394 55:855 56:8 57:83 58:1747 59:1176 60:995 61:2422 62:2631 63:1932 64:5685 65:2312 66:4929 67:3039 68:1351 69:4151 70:1252 71:668 72:2971 74:2597 75:1457 76:602 77:2389 78:3870 79:3179 80:2079 81:1847 82:1488 83:1239 84:1530 85:3718 86:756 87:1958 88:2828 89:3592 90:594 91:7653 92:2013 93:2603 94:3541 95:4856 96:1331 97:347 98:1159 99:741 100:76 101:1068 102:2586 103:31040 104:4517 105:485 106:846 107:2523 108:917 109:4367 110:2083 111:3290 112:2043 113:1502 114:1602 115:2077 116:1845 117:2551 118:2293 119:1931 120:1736 121:1088 122:2598 123:2175 124:1549 125:2355 128:1323 129:1062 130:993 131:2002 132:842 133:405 134:1912 135:297 136:864 137:1072 138:2571 139:1554 140:1176 141:1475 142:1426 143:1490 144:1200 145:350 146:1896 147:1558 148:2289 149:1901 150:877 151:1142 152:1953 153:560 154:3917 155:1409 156:1675 157:1300 158:1011 159:2270 160:2543 161:1424 162:3540 163:1503 164:1617 165:1681 166:847 167:1746 168:3881 169:923 170:4587 171:867 172:3525 173:2967 174:1023 175:1169 176:3711 177:4622 178:3579 179:2152 180:2423 181:3402 182:3244 183:1932 184:2343 185:20014 186:4684 187:3930 188:4095 189:3518 190:9112 191:1454 192:10961 193:8819 194:7245 195:5140 196:3051 197:2421 198:5950 199:6093 200:7764 201:5878 202:10568 203:10232 204:4602 205:3521 206:3862 207:3417 208:4085 209:4829 210:4371 211:2424 212:4111 213:3564 214:1098 215:55 216:6594 217:2651 218:1296 219:463 220:2025 221:973 222:740 223:2074 End of report