IPv4 R&E Routing Table Report 21:10 GMT Thu 27 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: 888796 Prefixes after maximum aggregation (per Origin AS): 333661 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426367 Number of IPv4 prefixes with a valid ROA: 306455 Number of IPv4 prefixes with an invalid ROA: 2764 Number of IPv4 prefixes with no ROA: 579577 Total ASes present in the Internet Routing Table: 72700 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62398 Origin ASes announcing only one prefix: 25682 Transit ASes present in the Internet Routing Table: 10302 Transit-only ASes present in the Internet Routing Table: 383 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: 928 Number of instances of unregistered ASNs: 932 Number of 32-bit ASNs allocated by the RIRs: 38401 Number of 32-bit ASNs visible in the Routing Table: 31978 Prefixes from 32-bit ASNs in the Routing Table: 149191 Number of bogon 32-bit ASNs visible in the Routing Table: 41 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 546 Number of addresses announced to Internet: 3068648960 Equivalent to 182 /8s, 231 /16s and 222 /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: 299827 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234480 Total APNIC prefixes after maximum aggregation: 65374 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 229311 Unique aggregates announced from the APNIC address blocks: 93791 APNIC Region origin ASes present in the Internet Routing Table: 12299 APNIC Prefixes per ASN: 18.64 APNIC Region origin ASes announcing only one prefix: 3504 APNIC Region transit ASes present in the Internet Routing Table: 1735 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: 7505 Number of APNIC addresses announced to Internet: 774246400 Equivalent to 46 /8s, 38 /16s and 16 /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: 258067 Total ARIN prefixes after maximum aggregation: 118724 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 258044 Unique aggregates announced from the ARIN address blocks: 122972 ARIN Region origin ASes present in the Internet Routing Table: 18930 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 6843 ARIN Region transit ASes present in the Internet Routing Table: 1926 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: 4309 Number of ARIN addresses announced to Internet: 1296061696 Equivalent to 77 /8s, 64 /16s and 85 /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: 253066 Total RIPE prefixes after maximum aggregation: 116241 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249548 Unique aggregates announced from the RIPE address blocks: 148734 RIPE Region origin ASes present in the Internet Routing Table: 28182 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: 3939 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: 10634 Number of RIPE addresses announced to Internet: 713296640 Equivalent to 42 /8s, 132 /16s and 11 /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: 114698 Total LACNIC prefixes after maximum aggregation: 27268 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115418 Unique aggregates announced from the LACNIC address blocks: 48524 LACNIC Region origin ASes present in the Internet Routing Table: 10931 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2204 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: 8614 Number of LACNIC addresses announced to Internet: 176491520 Equivalent to 10 /8s, 133 /16s and 12 /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: 27557 Total AfriNIC prefixes after maximum aggregation: 5374 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 35928 Unique aggregates announced from the AfriNIC address blocks: 11861 AfriNIC Region origin ASes present in the Internet Routing Table: 1584 AfriNIC Prefixes per ASN: 22.68 AfriNIC Region origin ASes announcing only one prefix: 545 AfriNIC Region transit ASes present in the Internet Routing Table: 318 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 916 Number of AfriNIC addresses announced to Internet: 108208128 Equivalent to 6 /8s, 115 /16s and 32 /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 9046 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5854 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3605 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3489 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3433 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2269 11119 588 KIXS-AS-KR Korea Telecom, KR 9498 2268 475 232 BBIL-AP BHARTI Airtel Ltd., IN 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 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 6144 10139 2630 AMAZON-02, US 11492 4529 300 794 CABLEONE, US 22773 3997 3054 378 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3666 1891 2567 AKAMAI-AS, US 6327 3360 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2612 374 131 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2507 4962 429 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 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 6909 1692 17 TTNET, TR 12479 6789 1718 153 UNI2-AS, ES 8551 4000 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3873 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2929 2286 903 ROSTELECOM-AS, RU 9009 2512 258 1308 M247, GB 34984 2218 357 603 TELLCOM-AS, TR 58224 1787 927 583 TCI, IR 47331 1763 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 10728 3410 571 Uninet S.A. de C.V., MX 10620 3456 520 709 Telmex Colombia S.A., CO 11830 2462 369 62 Instituto Costarricense de Electricidad 13999 1649 283 467 Mega Cable, S.A. de C.V., MX 6503 1441 355 525 Axtel, S.A.B. de C.V., MX 28573 1384 2328 253 CLARO S.A., BR 3816 1247 658 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1135 2350 139 TIM SA, BR 6147 1094 369 21 Telefonica del Peru S.A.A., PE 11664 1002 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 1625 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 876 63 60 ORANGE-COTE-IVOIRE, CI 36935 736 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 50 33 WANANCHI-, KE 37342 468 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 10728 3410 571 Uninet S.A. de C.V., MX 9808 9046 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6909 1692 17 TTNET, TR 12479 6789 1718 153 UNI2-AS, ES 16509 6144 10139 2630 AMAZON-02, US 7545 5854 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4529 300 794 CABLEONE, US 8551 4000 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3997 3054 378 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 9046 9009 CHINAMOBILE-CN China Mobile Communications Grou 9121 6909 6892 TTNET, TR 12479 6789 6636 UNI2-AS, ES 7545 5854 5169 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4570 ERX-CERNET-BKB China Education and Research Net 8551 4000 3961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4529 3735 CABLEONE, US 22773 3997 3619 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 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 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 /13:591 /14:1203 /15:2067 /16:13591 /17:8360 /18:13885 /19:25168 /20:43423 /21:52191 /22:108376 /23:95740 /24:523726 /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 6046 6909 TTNET, TR 12479 5745 6789 UNI2-AS, ES 8151 4564 10728 Uninet S.A. de C.V., MX 8551 3464 4000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3456 4529 CABLEONE, US 6327 3172 3360 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2977 3997 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2267 2612 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1897 2:1004 3:153 4:7 5:3718 6:102 7:5 8:1522 9:1 11:172 12:1707 13:408 14:2371 15:154 16:39 17:374 18:128 20:167 21:4 22:188 23:5418 24:2346 25:4 27:2668 29:19 31:2407 32:101 34:1 35:52 36:1734 37:3918 38:2511 39:736 40:151 41:3860 42:1066 43:2119 44:295 45:16038 46:3842 47:303 49:1612 50:1896 51:107 52:1345 54:294 55:733 56:8 57:56 58:1818 59:1123 60:960 61:2271 62:2433 63:1947 64:5372 65:2309 66:4904 67:2945 68:1183 69:4165 70:1344 71:677 72:3062 74:2639 75:1515 76:715 77:2134 78:3817 79:3102 80:1925 81:1657 82:1453 83:1198 84:1323 85:3558 86:705 87:1898 88:2622 89:3136 90:498 91:7524 92:1895 93:2594 94:3247 95:4489 96:1308 97:345 98:993 99:863 100:76 101:1066 102:1932 103:28212 104:4121 105:462 106:847 107:2456 108:760 109:4194 110:2051 111:3208 112:1963 113:1489 114:1539 115:2139 116:1873 117:2502 118:2328 119:1870 120:1636 121:1056 122:2528 123:2154 124:1556 125:2089 128:1377 129:1196 130:920 131:2094 132:785 133:368 134:1939 135:290 136:857 137:1002 138:2481 139:1228 140:881 141:1346 142:1251 143:1436 144:1229 145:331 146:1761 147:1487 148:2244 149:1658 150:854 151:1084 152:1822 153:524 154:3680 155:1365 156:1853 157:1217 158:1011 159:2029 160:2383 161:1295 162:3424 163:1212 164:1677 165:1563 166:622 167:1718 168:3667 169:695 170:4304 171:821 172:3021 173:3043 174:1014 175:1142 176:3508 177:4595 178:3036 179:2039 180:2362 181:2862 182:3173 183:1918 184:2400 185:19267 186:4289 187:3605 188:3792 189:3268 190:8984 191:1307 192:11012 193:8517 194:6962 195:4962 196:2918 197:2363 198:5994 199:5994 200:7486 201:5746 202:10544 203:10237 204:4527 205:3393 206:3808 207:3384 208:3997 209:4613 210:4274 211:2453 212:3933 213:3389 214:1160 215:64 216:6397 217:2620 218:1229 219:577 220:2045 221:989 222:862 223:2137 End of report