IPv4 R&E Routing Table Report 21:10 GMT Fri 04 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: 889242 Prefixes after maximum aggregation (per Origin AS): 333954 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 427057 Number of IPv4 prefixes with a valid ROA: 307356 Number of IPv4 prefixes with an invalid ROA: 2839 Number of IPv4 prefixes with no ROA: 579047 Total ASes present in the Internet Routing Table: 72734 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62458 Origin ASes announcing only one prefix: 25699 Transit ASes present in the Internet Routing Table: 10276 Transit-only ASes present in the Internet Routing Table: 371 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: 897 Number of instances of unregistered ASNs: 901 Number of 32-bit ASNs allocated by the RIRs: 38490 Number of 32-bit ASNs visible in the Routing Table: 32026 Prefixes from 32-bit ASNs in the Routing Table: 149717 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: 524 Number of addresses announced to Internet: 3068800512 Equivalent to 182 /8s, 234 /16s and 46 /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: 299974 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234594 Total APNIC prefixes after maximum aggregation: 65510 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 229423 Unique aggregates announced from the APNIC address blocks: 93933 APNIC Region origin ASes present in the Internet Routing Table: 12313 APNIC Prefixes per ASN: 18.63 APNIC Region origin ASes announcing only one prefix: 3509 APNIC Region transit ASes present in the Internet Routing Table: 1719 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: 7520 Number of APNIC addresses announced to Internet: 774355968 Equivalent to 46 /8s, 39 /16s and 188 /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: 258100 Total ARIN prefixes after maximum aggregation: 118749 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 258124 Unique aggregates announced from the ARIN address blocks: 123243 ARIN Region origin ASes present in the Internet Routing Table: 18958 ARIN Prefixes per ASN: 13.62 ARIN Region origin ASes announcing only one prefix: 6870 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: 4321 Number of ARIN addresses announced to Internet: 1295963392 Equivalent to 77 /8s, 62 /16s and 213 /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: 253384 Total RIPE prefixes after maximum aggregation: 116345 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249764 Unique aggregates announced from the RIPE address blocks: 148898 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: 12120 RIPE Region transit ASes present in the Internet Routing Table: 3943 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: 10638 Number of RIPE addresses announced to Internet: 713362944 Equivalent to 42 /8s, 133 /16s and 14 /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: 114554 Total LACNIC prefixes after maximum aggregation: 27318 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115266 Unique aggregates announced from the LACNIC address blocks: 48595 LACNIC Region origin ASes present in the Internet Routing Table: 10943 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2188 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: 8627 Number of LACNIC addresses announced to Internet: 176610304 Equivalent to 10 /8s, 134 /16s and 220 /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: 27713 Total AfriNIC prefixes after maximum aggregation: 5363 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 36140 Unique aggregates announced from the AfriNIC address blocks: 11923 AfriNIC Region origin ASes present in the Internet Routing Table: 1585 AfriNIC Prefixes per ASN: 22.80 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 920 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 5859 787 687 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 3491 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3434 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2316 475 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2287 11120 602 KIXS-AS-KR Korea Telecom, KR 45090 2185 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 6226 10151 2654 AMAZON-02, US 11492 4464 296 845 CABLEONE, US 22773 3969 3032 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3903 264 30 VIASAT-SP-BACKBONE, US 16625 3661 1887 2564 AKAMAI-AS, US 6327 3365 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2611 374 136 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2523 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2251 3035 509 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 6884 1692 17 TTNET, TR 12479 6812 1720 154 UNI2-AS, ES 8551 4005 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3877 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2928 2274 905 ROSTELECOM-AS, RU 9009 2477 250 1288 M247, GB 34984 2219 357 602 TELLCOM-AS, TR 58224 1789 928 582 TCI, IR 47331 1757 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 10468 3428 574 Uninet S.A. de C.V., MX 10620 3454 518 721 Telmex Colombia S.A., CO 11830 2460 369 62 Instituto Costarricense de Electricidad 13999 1662 284 469 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1390 2331 247 CLARO S.A., BR 3816 1248 659 145 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1137 2350 139 TIM SA, BR 6147 1095 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 1602 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 895 63 57 ORANGE-COTE-IVOIRE, CI 36935 735 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 517 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 10468 3428 574 Uninet S.A. de C.V., MX 9808 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6884 1692 17 TTNET, TR 12479 6812 1720 154 UNI2-AS, ES 16509 6226 10151 2654 AMAZON-02, US 7545 5859 787 687 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4464 296 845 CABLEONE, US 8551 4005 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3969 3032 369 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 6884 6867 TTNET, TR 12479 6812 6658 UNI2-AS, ES 7545 5859 5172 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4571 ERX-CERNET-BKB China Education and Research Net 8551 4005 3966 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3903 3873 VIASAT-SP-BACKBONE, US 11492 4464 3619 CABLEONE, US 22773 3969 3600 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 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 17033 UNALLOCATED 8.48.225.0/24 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 /16:13592 /17:8365 /18:13906 /19:25184 /20:43523 /21:52064 /22:108249 /23:95725 /24:524298 /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 6018 6884 TTNET, TR 12479 5770 6812 UNI2-AS, ES 8151 4344 10468 Uninet S.A. de C.V., MX 8551 3469 4005 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3414 4464 CABLEONE, US 6327 3177 3365 SHAW, CA 7155 2993 3903 VIASAT-SP-BACKBONE, US 22773 2957 3969 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2266 2611 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 5:3739 6:103 7:5 8:1526 9:1 11:172 12:1709 13:415 14:2366 15:156 16:39 17:371 18:139 20:165 21:4 22:188 23:5454 24:2318 25:6 27:2669 29:19 31:2410 32:95 34:1 35:55 36:1736 37:3940 38:2516 39:675 40:149 41:3904 42:1062 43:2114 44:294 45:16041 46:3852 47:313 49:1620 50:1904 51:106 52:1354 53:1 54:293 55:747 56:8 57:56 58:1816 59:1134 60:959 61:2272 62:2440 63:1939 64:5496 65:2298 66:4887 67:2955 68:1183 69:4160 70:1345 71:678 72:3055 74:2636 75:1516 76:716 77:2117 78:3806 79:3097 80:1944 81:1658 82:1447 83:1198 84:1318 85:3610 86:710 87:1964 88:2612 89:3152 90:507 91:7538 92:1880 93:2595 94:3253 95:4485 96:1302 97:345 98:991 99:864 100:76 101:1065 102:1980 103:28255 104:4110 105:462 106:830 107:2458 108:769 109:4183 110:2067 111:3208 112:1964 113:1479 114:1541 115:2134 116:1890 117:2510 118:2340 119:1870 120:1635 121:1057 122:2525 123:2156 124:1556 125:2104 128:1374 129:1195 130:920 131:2102 132:784 133:367 134:1932 135:290 136:861 137:1005 138:2486 139:1229 140:883 141:1343 142:1252 143:1433 144:1230 145:342 146:1759 147:1470 148:2249 149:1669 150:859 151:1076 152:1820 153:525 154:3696 155:1333 156:1866 157:1216 158:1009 159:2038 160:2400 161:1298 162:3428 163:1216 164:1674 165:1581 166:620 167:1719 168:3682 169:695 170:4316 171:821 172:3013 173:3050 174:1015 175:1141 176:3512 177:4585 178:3023 179:2027 180:2354 181:2906 182:3191 183:1918 184:2390 185:19269 186:4327 187:3614 188:3823 189:3187 190:8958 191:1321 192:11031 193:8538 194:6954 195:4975 196:2929 197:2368 198:5997 199:5997 200:7545 201:5702 202:10526 203:10230 204:4541 205:3373 206:3822 207:3379 208:4003 209:4619 210:4279 211:2453 212:3935 213:3373 214:1141 215:64 216:6366 217:2643 218:1236 219:579 220:2045 221:989 222:862 223:2144 End of report