IPv4 R&E Routing Table Report 21:10 GMT Wed 12 Jan, 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: 886755 Prefixes after maximum aggregation (per Origin AS): 332883 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 424916 Number of IPv4 prefixes with a valid ROA: 304101 Number of IPv4 prefixes with an invalid ROA: 2689 Number of IPv4 prefixes with no ROA: 579965 Total ASes present in the Internet Routing Table: 72598 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 62336 Origin ASes announcing only one prefix: 25660 Transit ASes present in the Internet Routing Table: 10262 Transit-only ASes present in the Internet Routing Table: 379 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: 917 Number of instances of unregistered ASNs: 925 Number of 32-bit ASNs allocated by the RIRs: 38270 Number of 32-bit ASNs visible in the Routing Table: 31833 Prefixes from 32-bit ASNs in the Routing Table: 148500 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: 575 Number of addresses announced to Internet: 3074074112 Equivalent to 183 /8s, 58 /16s and 166 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 299238 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233712 Total APNIC prefixes after maximum aggregation: 65135 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 228603 Unique aggregates announced from the APNIC address blocks: 93504 APNIC Region origin ASes present in the Internet Routing Table: 12241 APNIC Prefixes per ASN: 18.68 APNIC Region origin ASes announcing only one prefix: 3479 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: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7444 Number of APNIC addresses announced to Internet: 774100224 Equivalent to 46 /8s, 35 /16s and 213 /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: 257437 Total ARIN prefixes after maximum aggregation: 118455 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257264 Unique aggregates announced from the ARIN address blocks: 122552 ARIN Region origin ASes present in the Internet Routing Table: 18921 ARIN Prefixes per ASN: 13.60 ARIN Region origin ASes announcing only one prefix: 6855 ARIN Region transit ASes present in the Internet Routing Table: 1927 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: 4279 Number of ARIN addresses announced to Internet: 1300463360 Equivalent to 77 /8s, 131 /16s and 127 /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: 252912 Total RIPE prefixes after maximum aggregation: 116155 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249275 Unique aggregates announced from the RIPE address blocks: 148380 RIPE Region origin ASes present in the Internet Routing Table: 28169 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3928 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10602 Number of RIPE addresses announced to Internet: 713932800 Equivalent to 42 /8s, 141 /16s and 192 /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: 114205 Total LACNIC prefixes after maximum aggregation: 27146 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 114998 Unique aggregates announced from the LACNIC address blocks: 48476 LACNIC Region origin ASes present in the Internet Routing Table: 10912 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2196 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: 8593 Number of LACNIC addresses announced to Internet: 176625664 Equivalent to 10 /8s, 135 /16s and 24 /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: 27572 Total AfriNIC prefixes after maximum aggregation: 5302 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 36039 Unique aggregates announced from the AfriNIC address blocks: 11491 AfriNIC Region origin ASes present in the Internet Routing Table: 1580 AfriNIC Prefixes per ASN: 22.81 AfriNIC Region origin ASes announcing only one prefix: 543 AfriNIC Region transit ASes present in the Internet Routing Table: 315 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 915 Number of AfriNIC addresses announced to Internet: 108574464 Equivalent to 6 /8s, 120 /16s and 183 /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 8715 8913 41 CHINAMOBILE-CN China Mobile Communicati 7545 5840 787 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4655 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3610 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3491 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3422 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2264 11119 586 KIXS-AS-KR Korea Telecom, KR 9498 2220 474 229 BBIL-AP BHARTI Airtel Ltd., IN 45090 2164 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2118 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 6075 10128 2597 AMAZON-02, US 11492 4596 304 773 CABLEONE, US 22773 4029 3057 387 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3678 1895 2568 AKAMAI-AS, US 6327 3344 1318 62 SHAW, CA 749 2889 50784 2145 DNIC-AS-00749, US 30036 2608 374 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2509 5042 429 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3035 508 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 6919 1692 17 TTNET, TR 12479 6824 1730 150 UNI2-AS, ES 20940 3869 3194 541 AKAMAI-ASN1, NL 8551 3772 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2923 2284 901 ROSTELECOM-AS, RU 9009 2479 253 1300 M247, GB 34984 2216 357 602 TELLCOM-AS, TR 58224 1777 925 589 TCI, IR 47331 1761 278 1333 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 10655 3462 575 Uninet S.A. de C.V., MX 10620 3439 519 714 Telmex Colombia S.A., CO 11830 2465 369 62 Instituto Costarricense de Electricidad 13999 1637 283 462 Mega Cable, S.A. de C.V., MX 6503 1441 355 525 Axtel, S.A.B. de C.V., MX 28573 1379 2326 253 CLARO S.A., BR 3816 1245 658 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1146 2350 138 TIM SA, BR 6147 1091 369 21 Telefonica del Peru S.A.A., PE 11664 994 191 443 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 1630 393 21 LINKdotNET-AS, EG 24835 1547 515 32 RAYA-AS, EG 36992 1299 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 871 68 12 ORANGE-COTE-IVOIRE, CI 36935 722 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 518 50 33 WANANCHI-, KE 37342 469 32 1 MOVITEL, MZ 23889 428 232 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 10655 3462 575 Uninet S.A. de C.V., MX 9808 8715 8913 41 CHINAMOBILE-CN China Mobile Communicati 9121 6919 1692 17 TTNET, TR 12479 6824 1730 150 UNI2-AS, ES 16509 6075 10128 2597 AMAZON-02, US 7545 5840 787 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4655 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4596 304 773 CABLEONE, US 22773 4029 3057 387 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 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 8715 8674 CHINAMOBILE-CN China Mobile Communications Grou 9121 6919 6902 TTNET, TR 12479 6824 6674 UNI2-AS, ES 7545 5840 5164 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4655 4582 ERX-CERNET-BKB China Education and Research Net 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4596 3823 CABLEONE, US 8551 3772 3733 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 4029 3642 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3610 3591 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 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 32848 UNALLOCATED 8.28.72.0/24 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 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 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 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: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 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 /10:41 /11:100 /12:305 /13:593 /14:1210 /15:2072 /16:13574 /17:8335 /18:13896 /19:25208 /20:43365 /21:52086 /22:108480 /23:95405 /24:522055 /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 6055 6919 TTNET, TR 12479 5775 6824 UNI2-AS, ES 8151 4467 10655 Uninet S.A. de C.V., MX 11492 3532 4596 CABLEONE, US 8551 3236 3772 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3156 3344 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2995 4029 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 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) ---------------------------------------------- 1:1887 2:992 3:153 4:7 5:3699 6:102 7:5 8:1530 9:1 11:172 12:1705 13:404 14:2354 15:145 16:38 17:373 18:128 20:165 21:4 22:188 23:5387 24:2375 25:4 27:2657 29:19 31:2409 32:102 34:1 35:49 36:1732 37:3924 38:2469 39:737 40:132 41:3900 42:1072 43:2122 44:295 45:15995 46:3853 47:302 49:1612 50:1907 51:107 52:1348 54:294 55:734 56:8 57:59 58:1814 59:1122 60:953 61:2265 62:2421 63:1934 64:5381 65:2324 66:4920 67:2956 68:1185 69:4169 70:1345 71:675 72:3062 74:2629 75:1515 76:716 77:2160 78:3801 79:2885 80:1915 81:1651 82:1437 83:1191 84:1316 85:3584 86:688 87:1896 88:2622 89:3134 90:494 91:7518 92:1885 93:2590 94:3261 95:4493 96:1311 97:344 98:990 99:862 100:75 101:1060 102:1894 103:28051 104:4108 105:460 106:841 107:2423 108:745 109:4163 110:2049 111:3133 112:1953 113:1483 114:1539 115:2128 116:1870 117:2507 118:2328 119:1891 120:1627 121:1058 122:2511 123:2149 124:1562 125:2078 128:1387 129:1150 130:915 131:2087 132:787 133:367 134:1931 135:285 136:851 137:1004 138:2487 139:1234 140:872 141:1337 142:1242 143:1434 144:1228 145:336 146:1755 147:1470 148:2235 149:1677 150:867 151:1080 152:1781 153:523 154:3633 155:1370 156:1851 157:1206 158:998 159:2010 160:2388 161:1261 162:3414 163:1192 164:1663 165:1539 166:620 167:1712 168:3688 169:689 170:4334 171:821 172:2959 173:3047 174:1015 175:1141 176:3461 177:4580 178:3025 179:2009 180:2360 181:2848 182:3172 183:1925 184:2416 185:19202 186:4288 187:3543 188:3762 189:3176 190:8937 191:1329 192:10994 193:8487 194:6954 195:4978 196:2923 197:2382 198:5976 199:5991 200:7471 201:5711 202:10516 203:10234 204:4522 205:3381 206:3816 207:3373 208:3998 209:4596 210:4269 211:2445 212:3899 213:3381 214:1162 215:64 216:6408 217:2632 218:1223 219:583 220:2051 221:984 222:864 223:2124 End of report