IPv4 R&E Routing Table Report 21:10 GMT Tue 25 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: 888438 Prefixes after maximum aggregation (per Origin AS): 333462 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426211 Number of IPv4 prefixes with a valid ROA: 305873 Number of IPv4 prefixes with an invalid ROA: 2726 Number of IPv4 prefixes with no ROA: 579839 Total ASes present in the Internet Routing Table: 72691 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 62403 Origin ASes announcing only one prefix: 25688 Transit ASes present in the Internet Routing Table: 10288 Transit-only ASes present in the Internet Routing Table: 382 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: 940 Number of instances of unregistered ASNs: 944 Number of 32-bit ASNs allocated by the RIRs: 38385 Number of 32-bit ASNs visible in the Routing Table: 31956 Prefixes from 32-bit ASNs in the Routing Table: 148985 Number of bogon 32-bit ASNs visible in the Routing Table: 43 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 573 Number of addresses announced to Internet: 3068409856 Equivalent to 182 /8s, 228 /16s and 56 /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: 299791 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234202 Total APNIC prefixes after maximum aggregation: 65286 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 229056 Unique aggregates announced from the APNIC address blocks: 93760 APNIC Region origin ASes present in the Internet Routing Table: 12285 APNIC Prefixes per ASN: 18.65 APNIC Region origin ASes announcing only one prefix: 3493 APNIC Region transit ASes present in the Internet Routing Table: 1727 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: 7487 Number of APNIC addresses announced to Internet: 773343488 Equivalent to 46 /8s, 24 /16s and 73 /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: 257996 Total ARIN prefixes after maximum aggregation: 118647 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257966 Unique aggregates announced from the ARIN address blocks: 122961 ARIN Region origin ASes present in the Internet Routing Table: 18933 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 6849 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: 4311 Number of ARIN addresses announced to Internet: 1296546048 Equivalent to 77 /8s, 71 /16s and 185 /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: 253204 Total RIPE prefixes after maximum aggregation: 116179 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249583 Unique aggregates announced from the RIPE address blocks: 148642 RIPE Region origin ASes present in the Internet Routing Table: 28180 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10624 Number of RIPE addresses announced to Internet: 713469696 Equivalent to 42 /8s, 134 /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: 114549 Total LACNIC prefixes after maximum aggregation: 27301 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115304 Unique aggregates announced from the LACNIC address blocks: 48478 LACNIC Region origin ASes present in the Internet Routing Table: 10932 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2202 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: 8621 Number of LACNIC addresses announced to Internet: 176490752 Equivalent to 10 /8s, 133 /16s and 9 /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: 27547 Total AfriNIC prefixes after maximum aggregation: 5359 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 35955 Unique aggregates announced from the AfriNIC address blocks: 11858 AfriNIC Region origin ASes present in the Internet Routing Table: 1581 AfriNIC Prefixes per ASN: 22.74 AfriNIC Region origin ASes announcing only one prefix: 546 AfriNIC Region transit ASes present in the Internet Routing Table: 315 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 913 Number of AfriNIC addresses announced to Internet: 108204800 Equivalent to 6 /8s, 115 /16s and 19 /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 9102 8913 41 CHINAMOBILE-CN China Mobile Communicati 7545 5842 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4642 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 3432 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2269 11119 588 KIXS-AS-KR Korea Telecom, KR 9498 2253 475 232 BBIL-AP BHARTI Airtel Ltd., IN 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2121 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 6108 10133 2599 AMAZON-02, US 11492 4585 304 745 CABLEONE, US 22773 3994 3054 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3665 1890 2564 AKAMAI-AS, US 6327 3353 1318 62 SHAW, CA 749 2888 50784 2144 DNIC-AS-00749, US 30036 2612 374 131 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2507 4962 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 6921 1692 17 TTNET, TR 12479 6820 1718 153 UNI2-AS, ES 8551 3983 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3868 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 357 602 TELLCOM-AS, TR 58224 1791 928 586 TCI, IR 47331 1764 278 1335 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 10709 3408 575 Uninet S.A. de C.V., MX 10620 3446 519 713 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 1383 2328 253 CLARO S.A., BR 3816 1246 658 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1135 2350 139 TIM SA, BR 6147 1093 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 1300 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 876 63 60 ORANGE-COTE-IVOIRE, CI 36935 716 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 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 10709 3408 575 Uninet S.A. de C.V., MX 9808 9102 8913 41 CHINAMOBILE-CN China Mobile Communicati 9121 6921 1692 17 TTNET, TR 12479 6820 1718 153 UNI2-AS, ES 16509 6108 10133 2599 AMAZON-02, US 7545 5842 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4642 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4585 304 745 CABLEONE, US 22773 3994 3054 376 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3983 378 39 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 9102 9061 CHINAMOBILE-CN China Mobile Communications Grou 9121 6921 6904 TTNET, TR 12479 6820 6667 UNI2-AS, ES 7545 5842 5166 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4642 4569 ERX-CERNET-BKB China Education and Research Net 8551 3983 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4585 3840 CABLEONE, US 22773 3994 3618 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 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 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 5.253.224.0/24 Origin: 61049 EXASCALE, GB 5.253.224.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.130.184.0/24 Origin: 7247 MOJO, US 23.130.184.0/24 Transit: 6939 HURRICANE, US 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 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 /14:1202 /15:2065 /16:13591 /17:8353 /18:13890 /19:25156 /20:43378 /21:52188 /22:108393 /23:95613 /24:523543 /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 6058 6921 TTNET, TR 12479 5773 6820 UNI2-AS, ES 8151 4546 10709 Uninet S.A. de C.V., MX 11492 3514 4585 CABLEONE, US 8551 3447 3983 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3165 3353 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2975 3994 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) ---------------------------------------------- 1:1896 2:999 3:153 4:7 5:3719 6:102 7:5 8:1523 9:1 11:172 12:1703 13:405 14:2366 15:151 16:39 17:375 18:128 20:167 21:4 22:188 23:5414 24:2359 25:4 27:2672 29:19 31:2402 32:100 34:1 35:51 36:1734 37:3944 38:2513 39:736 40:150 41:3884 42:1064 43:2120 44:294 45:16033 46:3850 47:304 49:1614 50:1898 51:107 52:1343 54:294 55:732 56:8 57:56 58:1813 59:1117 60:962 61:2277 62:2427 63:1946 64:5392 65:2322 66:4902 67:2947 68:1183 69:4165 70:1344 71:682 72:3073 74:2634 75:1516 76:714 77:2144 78:3817 79:3082 80:1921 81:1659 82:1454 83:1197 84:1328 85:3572 86:701 87:1895 88:2626 89:3138 90:501 91:7505 92:1906 93:2591 94:3245 95:4489 96:1308 97:344 98:992 99:863 100:76 101:1066 102:1922 103:28191 104:4120 105:462 106:847 107:2437 108:756 109:4191 110:2050 111:3208 112:1956 113:1489 114:1530 115:2140 116:1870 117:2512 118:2329 119:1875 120:1636 121:1060 122:2527 123:2153 124:1535 125:2088 128:1381 129:1192 130:919 131:2093 132:787 133:368 134:1937 135:290 136:854 137:1005 138:2483 139:1223 140:879 141:1342 142:1248 143:1446 144:1232 145:335 146:1766 147:1485 148:2245 149:1664 150:865 151:1083 152:1814 153:524 154:3684 155:1371 156:1852 157:1209 158:1008 159:2030 160:2390 161:1295 162:3421 163:1215 164:1679 165:1572 166:621 167:1715 168:3673 169:692 170:4307 171:823 172:3015 173:3051 174:1017 175:1140 176:3475 177:4584 178:3021 179:2008 180:2360 181:2884 182:3172 183:1921 184:2425 185:19236 186:4294 187:3566 188:3787 189:3226 190:8969 191:1311 192:11019 193:8521 194:6955 195:4965 196:2927 197:2366 198:5986 199:5986 200:7469 201:5744 202:10512 203:10231 204:4529 205:3382 206:3808 207:3378 208:3999 209:4611 210:4273 211:2457 212:3940 213:3387 214:1157 215:64 216:6407 217:2627 218:1229 219:554 220:2046 221:989 222:879 223:2144 End of report