IPv4 R&E Routing Table Report 21:10 GMT Wed 09 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: 889775 Prefixes after maximum aggregation (per Origin AS): 334229 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 427256 Number of IPv4 prefixes with a valid ROA: 308123 Number of IPv4 prefixes with an invalid ROA: 2833 Number of IPv4 prefixes with no ROA: 578819 Total ASes present in the Internet Routing Table: 72802 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 62500 Origin ASes announcing only one prefix: 25740 Transit ASes present in the Internet Routing Table: 10302 Transit-only ASes present in the Internet Routing Table: 370 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: 983 Number of instances of unregistered ASNs: 987 Number of 32-bit ASNs allocated by the RIRs: 38525 Number of 32-bit ASNs visible in the Routing Table: 32098 Prefixes from 32-bit ASNs in the Routing Table: 150089 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: 585 Number of addresses announced to Internet: 3068320256 Equivalent to 182 /8s, 226 /16s and 218 /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: 300248 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234574 Total APNIC prefixes after maximum aggregation: 65568 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 229428 Unique aggregates announced from the APNIC address blocks: 94038 APNIC Region origin ASes present in the Internet Routing Table: 12347 APNIC Prefixes per ASN: 18.58 APNIC Region origin ASes announcing only one prefix: 3509 APNIC Region transit ASes present in the Internet Routing Table: 1720 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: 7557 Number of APNIC addresses announced to Internet: 774100736 Equivalent to 46 /8s, 35 /16s and 215 /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: 258354 Total ARIN prefixes after maximum aggregation: 118769 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 258382 Unique aggregates announced from the ARIN address blocks: 123331 ARIN Region origin ASes present in the Internet Routing Table: 18957 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 6881 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: 4330 Number of ARIN addresses announced to Internet: 1295563776 Equivalent to 77 /8s, 56 /16s and 188 /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: 253767 Total RIPE prefixes after maximum aggregation: 116481 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 250152 Unique aggregates announced from the RIPE address blocks: 148925 RIPE Region origin ASes present in the Internet Routing Table: 28190 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12127 RIPE Region transit ASes present in the Internet Routing Table: 3954 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: 10652 Number of RIPE addresses announced to Internet: 713499904 Equivalent to 42 /8s, 135 /16s and 37 /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: 114502 Total LACNIC prefixes after maximum aggregation: 27333 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115219 Unique aggregates announced from the LACNIC address blocks: 48559 LACNIC Region origin ASes present in the Internet Routing Table: 10947 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2672 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: 8634 Number of LACNIC addresses announced to Internet: 176576000 Equivalent to 10 /8s, 134 /16s and 86 /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: 27595 Total AfriNIC prefixes after maximum aggregation: 5360 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36008 Unique aggregates announced from the AfriNIC address blocks: 11915 AfriNIC Region origin ASes present in the Internet Routing Table: 1590 AfriNIC Prefixes per ASN: 22.65 AfriNIC Region origin ASes announcing only one prefix: 551 AfriNIC Region transit ASes present in the Internet Routing Table: 320 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: 925 Number of AfriNIC addresses announced to Internet: 108180224 Equivalent to 6 /8s, 114 /16s and 179 /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 5857 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 3490 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3434 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 2116 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 6256 10156 2662 AMAZON-02, US 11492 4513 299 789 CABLEONE, US 22773 3965 3032 368 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3902 264 30 VIASAT-SP-BACKBONE, US 16625 3656 1885 2565 AKAMAI-AS, US 6327 3372 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2608 374 150 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2519 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2254 3036 503 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 6934 1692 17 TTNET, TR 12479 6813 1716 152 UNI2-AS, ES 8551 4006 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3885 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2934 2274 909 ROSTELECOM-AS, RU 9009 2474 250 1288 M247, GB 34984 2223 358 604 TELLCOM-AS, TR 58224 1792 929 580 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 10649 3434 566 Uninet S.A. de C.V., MX 10620 3456 519 718 Telmex Colombia S.A., CO 11830 2453 369 62 Instituto Costarricense de Electricidad 13999 1658 284 470 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1388 2330 246 CLARO S.A., BR 3816 1246 651 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1147 2351 140 TIM SA, BR 6147 1094 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 1588 393 21 LINKdotNET-AS, EG 24835 1504 515 32 RAYA-AS, EG 36992 1279 1517 258 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 613 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 10649 3434 566 Uninet S.A. de C.V., MX 9808 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6934 1692 17 TTNET, TR 12479 6813 1716 152 UNI2-AS, ES 16509 6256 10156 2662 AMAZON-02, US 7545 5857 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 4006 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3965 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 6934 6917 TTNET, TR 12479 6813 6661 UNI2-AS, ES 7545 5857 5172 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4571 ERX-CERNET-BKB China Education and Research Net 8551 4006 3967 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3902 3872 VIASAT-SP-BACKBONE, US 11492 4513 3724 CABLEONE, US 22773 3965 3597 ASN-CXA-ALL-CCI-22773-RDC, US 16509 6256 3594 AMAZON-02, US 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 23.131.168.0/24 Origin: 400312 KHITOMER-NETWORKS, US 23.131.168.0/24 Transit: 7719 AUGUSTINTERNET-AS-AP August Internet, CA 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 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 /14:1202 /15:2068 /16:13587 /17:8362 /18:13907 /19:25192 /20:43497 /21:52289 /22:108359 /23:95698 /24:524549 /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 6062 6934 TTNET, TR 12479 5775 6813 UNI2-AS, ES 8151 4374 10649 Uninet S.A. de C.V., MX 8551 3470 4006 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3435 4513 CABLEONE, US 6327 3184 3372 SHAW, CA 7155 2992 3902 VIASAT-SP-BACKBONE, US 22773 2956 3965 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 2:1002 3:153 4:7 5:3731 6:103 7:5 8:1528 9:1 11:172 12:1711 13:416 14:2377 15:155 16:39 17:370 18:140 20:166 21:4 22:188 23:5463 24:2336 25:6 27:2669 29:19 31:2416 32:95 34:1 35:55 36:1734 37:3936 38:2522 39:681 40:149 41:3923 42:1063 43:2120 44:294 45:15997 46:3872 47:313 49:1622 50:1906 51:107 52:1361 53:1 54:291 55:741 56:8 57:56 58:1812 59:1146 60:959 61:2275 62:2446 63:1937 64:5499 65:2307 66:4890 67:2952 68:1177 69:4167 70:1346 71:678 72:3050 74:2635 75:1515 76:717 77:2115 78:3815 79:3096 80:1952 81:1659 82:1452 83:1197 84:1325 85:3625 86:713 87:1961 88:2621 89:3189 90:508 91:7537 92:1880 93:2590 94:3262 95:4489 96:1304 97:345 98:988 99:863 100:76 101:1046 102:1985 103:28353 104:4119 105:462 106:811 107:2449 108:768 109:4189 110:2058 111:3203 112:1964 113:1488 114:1541 115:2123 116:1891 117:2516 118:2341 119:1869 120:1633 121:1057 122:2524 123:2154 124:1557 125:2105 128:1371 129:1195 130:926 131:2100 132:789 133:370 134:1932 135:288 136:862 137:1006 138:2463 139:1238 140:884 141:1348 142:1255 143:1451 144:1229 145:341 146:1761 147:1471 148:2248 149:1677 150:867 151:1075 152:1823 153:525 154:3648 155:1339 156:1871 157:1214 158:1012 159:2053 160:2408 161:1306 162:3445 163:1218 164:1668 165:1584 166:624 167:1716 168:3707 169:694 170:4316 171:821 172:3008 173:3052 174:1016 175:1140 176:3518 177:4568 178:3027 179:2017 180:2353 181:2913 182:3198 183:1918 184:2390 185:19282 186:4310 187:3591 188:3822 189:3191 190:8949 191:1328 192:11039 193:8523 194:6938 195:4982 196:2931 197:2355 198:5999 199:6007 200:7493 201:5695 202:10507 203:10209 204:4543 205:3370 206:3821 207:3398 208:4006 209:4631 210:4279 211:2452 212:3943 213:3389 214:1150 215:64 216:6384 217:2648 218:1241 219:577 220:2044 221:989 222:862 223:2144 End of report