IPv4 R&E Routing Table Report 21:10 GMT Sun 23 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: 887638 Prefixes after maximum aggregation (per Origin AS): 333324 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 425999 Number of IPv4 prefixes with a valid ROA: 305426 Number of IPv4 prefixes with an invalid ROA: 2713 Number of IPv4 prefixes with no ROA: 579499 Total ASes present in the Internet Routing Table: 72665 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 62374 Origin ASes announcing only one prefix: 25666 Transit ASes present in the Internet Routing Table: 10291 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: 939 Number of instances of unregistered ASNs: 943 Number of 32-bit ASNs allocated by the RIRs: 38382 Number of 32-bit ASNs visible in the Routing Table: 31931 Prefixes from 32-bit ASNs in the Routing Table: 148815 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: 563 Number of addresses announced to Internet: 3068144640 Equivalent to 182 /8s, 224 /16s and 44 /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: 299530 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234077 Total APNIC prefixes after maximum aggregation: 65264 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 228947 Unique aggregates announced from the APNIC address blocks: 93717 APNIC Region origin ASes present in the Internet Routing Table: 12277 APNIC Prefixes per ASN: 18.65 APNIC Region origin ASes announcing only one prefix: 3491 APNIC Region transit ASes present in the Internet Routing Table: 1730 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: 7481 Number of APNIC addresses announced to Internet: 773266944 Equivalent to 46 /8s, 23 /16s and 30 /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: 257850 Total ARIN prefixes after maximum aggregation: 118627 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257809 Unique aggregates announced from the ARIN address blocks: 122982 ARIN Region origin ASes present in the Internet Routing Table: 18935 ARIN Prefixes per ASN: 13.62 ARIN Region origin ASes announcing only one prefix: 6850 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: 4304 Number of ARIN addresses announced to Internet: 1296435456 Equivalent to 77 /8s, 70 /16s and 9 /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: 252898 Total RIPE prefixes after maximum aggregation: 116159 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249278 Unique aggregates announced from the RIPE address blocks: 148491 RIPE Region origin ASes present in the Internet Routing Table: 28173 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: 3935 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: 10621 Number of RIPE addresses announced to Internet: 713480704 Equivalent to 42 /8s, 134 /16s and 218 /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: 114387 Total LACNIC prefixes after maximum aggregation: 27238 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115141 Unique aggregates announced from the LACNIC address blocks: 48438 LACNIC Region origin ASes present in the Internet Routing Table: 10921 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2201 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: 8612 Number of LACNIC addresses announced to Internet: 176385024 Equivalent to 10 /8s, 131 /16s and 108 /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: 27487 Total AfriNIC prefixes after maximum aggregation: 5347 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 35899 Unique aggregates announced from the AfriNIC address blocks: 11869 AfriNIC Region origin ASes present in the Internet Routing Table: 1580 AfriNIC Prefixes per ASN: 22.72 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: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 913 Number of AfriNIC addresses announced to Internet: 108224000 Equivalent to 6 /8s, 115 /16s and 94 /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 9025 8913 41 CHINAMOBILE-CN China Mobile Communicati 7545 5841 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4653 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 2268 11119 587 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 6151 10142 2619 AMAZON-02, US 11492 4600 305 763 CABLEONE, US 22773 3996 3054 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3654 1886 2557 AKAMAI-AS, US 6327 3351 1318 62 SHAW, CA 749 2888 50784 2144 DNIC-AS-00749, US 30036 2612 374 129 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2505 4962 428 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 6925 1692 17 TTNET, TR 12479 6822 1718 153 UNI2-AS, ES 20940 3868 3194 541 AKAMAI-ASN1, NL 8551 3776 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2929 2286 903 ROSTELECOM-AS, RU 9009 2508 257 1306 M247, GB 34984 2217 357 603 TELLCOM-AS, TR 58224 1782 927 584 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 10679 3408 575 Uninet S.A. de C.V., MX 10620 3446 519 713 Telmex Colombia S.A., CO 11830 2455 369 62 Instituto Costarricense de Electricidad 13999 1643 283 465 Mega Cable, S.A. de C.V., MX 6503 1441 355 525 Axtel, S.A.B. de C.V., MX 28573 1381 2327 255 CLARO S.A., BR 3816 1245 658 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1135 2350 139 TIM SA, BR 6147 1091 369 21 Telefonica del Peru S.A.A., PE 11664 1001 191 447 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 1631 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 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 10679 3408 575 Uninet S.A. de C.V., MX 9808 9025 8913 41 CHINAMOBILE-CN China Mobile Communicati 9121 6925 1692 17 TTNET, TR 12479 6822 1718 153 UNI2-AS, ES 16509 6151 10142 2619 AMAZON-02, US 7545 5841 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4653 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4600 305 763 CABLEONE, US 22773 3996 3054 376 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 9025 8984 CHINAMOBILE-CN China Mobile Communications Grou 9121 6925 6908 TTNET, TR 12479 6822 6669 UNI2-AS, ES 7545 5841 5165 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4653 4580 ERX-CERNET-BKB China Education and Research Net 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4600 3837 CABLEONE, US 8551 3776 3737 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3996 3620 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 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 /14:1204 /15:2067 /16:13589 /17:8345 /18:13886 /19:25140 /20:43359 /21:52055 /22:108405 /23:95554 /24:522968 /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 6925 TTNET, TR 12479 5772 6822 UNI2-AS, ES 8151 4521 10679 Uninet S.A. de C.V., MX 11492 3534 4600 CABLEONE, US 8551 3240 3776 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3163 3351 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2977 3996 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) ---------------------------------------------- 1:1888 2:992 3:153 4:7 5:3718 6:102 7:5 8:1523 9:1 11:172 12:1707 13:410 14:2361 15:147 16:39 17:375 18:130 20:167 21:4 22:188 23:5410 24:2370 25:4 27:2671 29:19 31:2398 32:100 34:1 35:51 36:1732 37:3943 38:2508 39:736 40:150 41:3903 42:1064 43:2120 44:294 45:16025 46:3849 47:305 49:1613 50:1904 51:105 52:1346 54:294 55:735 56:8 57:56 58:1815 59:1118 60:955 61:2273 62:2428 63:1943 64:5396 65:2321 66:4919 67:2945 68:1183 69:4151 70:1347 71:682 72:3073 74:2637 75:1516 76:714 77:2161 78:3813 79:2873 80:1920 81:1657 82:1454 83:1200 84:1327 85:3567 86:703 87:1896 88:2626 89:3140 90:502 91:7506 92:1906 93:2587 94:3250 95:4498 96:1307 97:345 98:993 99:863 100:76 101:1065 102:1921 103:28194 104:4118 105:461 106:845 107:2434 108:756 109:4194 110:2050 111:3173 112:1962 113:1489 114:1532 115:2140 116:1871 117:2511 118:2331 119:1877 120:1636 121:1060 122:2527 123:2153 124:1534 125:2086 128:1383 129:1194 130:922 131:2089 132:787 133:368 134:1933 135:288 136:853 137:1000 138:2473 139:1225 140:871 141:1340 142:1249 143:1440 144:1232 145:336 146:1759 147:1482 148:2241 149:1665 150:863 151:1084 152:1801 153:523 154:3672 155:1364 156:1835 157:1210 158:1007 159:2026 160:2389 161:1288 162:3414 163:1213 164:1672 165:1555 166:622 167:1713 168:3673 169:682 170:4308 171:822 172:3011 173:3045 174:1019 175:1144 176:3477 177:4561 178:3020 179:2005 180:2358 181:2877 182:3181 183:1936 184:2418 185:19213 186:4298 187:3552 188:3783 189:3223 190:8927 191:1307 192:10998 193:8512 194:6941 195:4965 196:2920 197:2357 198:5980 199:5993 200:7462 201:5721 202:10493 203:10232 204:4532 205:3371 206:3806 207:3380 208:3997 209:4614 210:4269 211:2458 212:3938 213:3388 214:1156 215:64 216:6414 217:2628 218:1227 219:554 220:2054 221:990 222:880 223:2144 End of report