IPv4 R&E Routing Table Report 21:10 GMT Tue 08 Feb, 2022 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: 889320 Prefixes after maximum aggregation (per Origin AS): 334086 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 427122 Number of IPv4 prefixes with a valid ROA: 307671 Number of IPv4 prefixes with an invalid ROA: 2804 Number of IPv4 prefixes with no ROA: 578845 Total ASes present in the Internet Routing Table: 72784 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 62495 Origin ASes announcing only one prefix: 25747 Transit ASes present in the Internet Routing Table: 10289 Transit-only ASes present in the Internet Routing Table: 369 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 251 Max AS path prepend of ASN ( 21299) 245 Prefixes from unregistered ASNs in the Routing Table: 896 Number of instances of unregistered ASNs: 900 Number of 32-bit ASNs allocated by the RIRs: 38520 Number of 32-bit ASNs visible in the Routing Table: 32077 Prefixes from 32-bit ASNs in the Routing Table: 149887 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3068421632 Equivalent to 182 /8s, 228 /16s and 102 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 300111 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234392 Total APNIC prefixes after maximum aggregation: 65576 APNIC Deaggregation factor: 3.57 Prefixes being announced from the APNIC address blocks: 229279 Unique aggregates announced from the APNIC address blocks: 93965 APNIC Region origin ASes present in the Internet Routing Table: 12338 APNIC Prefixes per ASN: 18.58 APNIC Region origin ASes announcing only one prefix: 3510 APNIC Region transit ASes present in the Internet Routing Table: 1717 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7547 Number of APNIC addresses announced to Internet: 773997056 Equivalent to 46 /8s, 34 /16s and 66 /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: 258326 Total ARIN prefixes after maximum aggregation: 118775 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 258304 Unique aggregates announced from the ARIN address blocks: 123317 ARIN Region origin ASes present in the Internet Routing Table: 18969 ARIN Prefixes per ASN: 13.62 ARIN Region origin ASes announcing only one prefix: 6887 ARIN Region transit ASes present in the Internet Routing Table: 1924 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 251 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4329 Number of ARIN addresses announced to Internet: 1295925248 Equivalent to 77 /8s, 62 /16s and 64 /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: 253654 Total RIPE prefixes after maximum aggregation: 116405 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 250036 Unique aggregates announced from the RIPE address blocks: 148880 RIPE Region origin ASes present in the Internet Routing Table: 28196 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3957 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10649 Number of RIPE addresses announced to Internet: 713422080 Equivalent to 42 /8s, 133 /16s and 245 /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: 114424 Total LACNIC prefixes after maximum aggregation: 27295 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115136 Unique aggregates announced from the LACNIC address blocks: 48565 LACNIC Region origin ASes present in the Internet Routing Table: 10939 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2195 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8630 Number of LACNIC addresses announced to Internet: 176565248 Equivalent to 10 /8s, 134 /16s and 44 /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: 27628 Total AfriNIC prefixes after maximum aggregation: 5365 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36040 Unique aggregates announced from the AfriNIC address blocks: 11930 AfriNIC Region origin ASes present in the Internet Routing Table: 1588 AfriNIC Prefixes per ASN: 22.70 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 321 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 922 Number of AfriNIC addresses announced to Internet: 108184576 Equivalent to 6 /8s, 114 /16s and 196 /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 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5859 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3605 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3483 1038 46 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3433 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2314 475 234 BBIL-AP BHARTI Airtel Ltd., IN 4766 2292 11120 606 KIXS-AS-KR Korea Telecom, KR 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2117 429 199 TATACOMM-AS TATA Communications formerl 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 6229 10152 2660 AMAZON-02, US 11492 4513 299 789 CABLEONE, US 22773 3966 3032 368 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3902 264 30 VIASAT-SP-BACKBONE, US 16625 3662 1887 2565 AKAMAI-AS, US 6327 3369 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2608 374 150 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2522 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2251 3036 505 CHARTER-20115, 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 9121 6933 1692 17 TTNET, TR 12479 6816 1716 152 UNI2-AS, ES 8551 4003 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3884 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2928 2274 905 ROSTELECOM-AS, RU 9009 2476 250 1286 M247, GB 34984 2220 357 603 TELLCOM-AS, TR 58224 1791 929 579 TCI, IR 47331 1759 278 1334 TTNET, TR 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 10572 3433 565 Uninet S.A. de C.V., MX 10620 3454 518 721 Telmex Colombia S.A., CO 11830 2457 369 62 Instituto Costarricense de Electricidad 13999 1663 284 469 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1390 2331 247 CLARO S.A., BR 3816 1248 659 145 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1137 2350 139 TIM SA, BR 6147 1095 369 21 Telefonica del Peru S.A.A., PE 11664 1001 191 448 Techtel LMDS Comunicaciones Interactiva 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 1603 393 21 LINKdotNET-AS, EG 24835 1546 515 32 RAYA-AS, EG 36992 1299 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 894 63 57 ORANGE-COTE-IVOIRE, CI 36935 735 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 50 33 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 23889 422 232 16 MauritiusTelecom, MU 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 10572 3433 565 Uninet S.A. de C.V., MX 9808 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6933 1692 17 TTNET, TR 12479 6816 1716 152 UNI2-AS, ES 16509 6229 10152 2660 AMAZON-02, US 7545 5859 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4513 299 789 CABLEONE, US 8551 4003 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3966 3032 368 ASN-CXA-ALL-CCI-22773-RDC, 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 9045 9008 CHINAMOBILE-CN China Mobile Communications Grou 9121 6933 6916 TTNET, TR 12479 6816 6664 UNI2-AS, ES 7545 5859 5174 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4571 ERX-CERNET-BKB China Education and Research Net 8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3902 3872 VIASAT-SP-BACKBONE, US 11492 4513 3724 CABLEONE, US 22773 3966 3598 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3605 3586 VIETEL-AS-AP Viettel Group, VN 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, 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 100.64.3.0/24 48276 LEVEL-AS, RU 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 CONVERGE Converge ICT, PH 198.19.226.0/24 56207 CONVERGE Converge ICT, PH Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 174 COGENT-174, US 23.252.164.0/24 Origin: 398968 GROUP-IID-01, US 23.252.164.0/24 Transit: 174 COGENT-174, US 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 /10:40 /11:100 /12:305 /13:590 /14:1203 /15:2069 /16:13589 /17:8351 /18:13908 /19:25187 /20:43508 /21:52235 /22:108350 /23:95636 /24:524219 /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 9121 6061 6933 TTNET, TR 12479 5778 6816 UNI2-AS, ES 8151 4333 10572 Uninet S.A. de C.V., MX 8551 3467 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3435 4513 CABLEONE, US 6327 3181 3369 SHAW, CA 7155 2992 3902 VIASAT-SP-BACKBONE, US 22773 2957 3966 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2263 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1905 2:996 3:153 4:7 5:3736 6:103 7:5 8:1525 9:1 11:172 12:1710 13:415 14:2376 15:155 16:39 17:371 18:140 20:165 21:4 22:188 23:5461 24:2324 25:6 27:2667 29:19 31:2414 32:95 34:1 35:55 36:1733 37:3936 38:2521 39:681 40:149 41:3924 42:1063 43:2117 44:293 45:15980 46:3855 47:313 49:1620 50:1903 51:107 52:1355 53:1 54:291 55:740 56:8 57:56 58:1812 59:1142 60:959 61:2273 62:2444 63:1939 64:5495 65:2306 66:4885 67:2950 68:1178 69:4164 70:1346 71:678 72:3054 74:2634 75:1516 76:717 77:2113 78:3814 79:3092 80:1948 81:1658 82:1420 83:1198 84:1319 85:3624 86:703 87:1959 88:2620 89:3172 90:508 91:7540 92:1880 93:2590 94:3262 95:4488 96:1304 97:345 98:990 99:863 100:76 101:1046 102:1982 103:28348 104:4119 105:462 106:808 107:2450 108:767 109:4190 110:2058 111:3204 112:1964 113:1486 114:1541 115:2122 116:1891 117:2516 118:2341 119:1868 120:1633 121:1056 122:2522 123:2153 124:1556 125:2105 128:1370 129:1193 130:925 131:2097 132:792 133:370 134:1929 135:287 136:861 137:1005 138:2465 139:1237 140:884 141:1349 142:1255 143:1448 144:1228 145:345 146:1761 147:1482 148:2246 149:1676 150:865 151:1076 152:1821 153:525 154:3639 155:1338 156:1865 157:1215 158:1011 159:2058 160:2404 161:1301 162:3440 163:1220 164:1661 165:1583 166:623 167:1720 168:3703 169:694 170:4307 171:821 172:3010 173:3052 174:1016 175:1141 176:3518 177:4579 178:3030 179:2022 180:2356 181:2919 182:3198 183:1918 184:2389 185:19281 186:4321 187:3589 188:3828 189:3164 190:8935 191:1326 192:11037 193:8521 194:6938 195:4982 196:2918 197:2347 198:5995 199:6004 200:7480 201:5698 202:10487 203:10201 204:4546 205:3364 206:3827 207:3376 208:4007 209:4632 210:4279 211:2451 212:3943 213:3389 214:1150 215:64 216:6382 217:2646 218:1241 219:577 220:2044 221:989 222:854 223:2143 End of report