IPv4 R&E Routing Table Report 21:10 GMT Wed 26 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: 888674 Prefixes after maximum aggregation (per Origin AS): 333570 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426316 Number of IPv4 prefixes with a valid ROA: 306154 Number of IPv4 prefixes with an invalid ROA: 2752 Number of IPv4 prefixes with no ROA: 579768 Total ASes present in the Internet Routing Table: 72689 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62408 Origin ASes announcing only one prefix: 25664 Transit ASes present in the Internet Routing Table: 10281 Transit-only ASes present in the Internet Routing Table: 380 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: 934 Number of instances of unregistered ASNs: 936 Number of 32-bit ASNs allocated by the RIRs: 38395 Number of 32-bit ASNs visible in the Routing Table: 31967 Prefixes from 32-bit ASNs in the Routing Table: 149052 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 593 Number of addresses announced to Internet: 3068026880 Equivalent to 182 /8s, 222 /16s and 96 /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: 299888 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234326 Total APNIC prefixes after maximum aggregation: 65291 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 229172 Unique aggregates announced from the APNIC address blocks: 93781 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: 3489 APNIC Region transit ASes present in the Internet Routing Table: 1726 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: 7488 Number of APNIC addresses announced to Internet: 773314816 Equivalent to 46 /8s, 23 /16s and 217 /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: 258054 Total ARIN prefixes after maximum aggregation: 118699 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 258028 Unique aggregates announced from the ARIN address blocks: 122963 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: 1929 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: 4310 Number of ARIN addresses announced to Internet: 1296072704 Equivalent to 77 /8s, 64 /16s and 128 /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: 253276 Total RIPE prefixes after maximum aggregation: 116255 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249672 Unique aggregates announced from the RIPE address blocks: 148678 RIPE Region origin ASes present in the Internet Routing Table: 28185 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: 3932 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: 10632 Number of RIPE addresses announced to Internet: 713595904 Equivalent to 42 /8s, 136 /16s and 156 /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: 114489 Total LACNIC prefixes after maximum aggregation: 27274 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115219 Unique aggregates announced from the LACNIC address blocks: 48496 LACNIC Region origin ASes present in the Internet Routing Table: 10934 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2203 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: 8622 Number of LACNIC addresses announced to Internet: 176463616 Equivalent to 10 /8s, 132 /16s and 159 /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: 5366 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 35989 Unique aggregates announced from the AfriNIC address blocks: 11866 AfriNIC Region origin ASes present in the Internet Routing Table: 1581 AfriNIC Prefixes per ASN: 22.76 AfriNIC Region origin ASes announcing only one prefix: 544 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: 915 Number of AfriNIC addresses announced to Internet: 108222464 Equivalent to 6 /8s, 115 /16s and 88 /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 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 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 6121 10139 2618 AMAZON-02, US 11492 4523 300 795 CABLEONE, US 22773 3997 3054 378 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3665 1890 2567 AKAMAI-AS, US 6327 3357 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 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 6918 1692 17 TTNET, TR 12479 6808 1718 153 UNI2-AS, ES 8551 3997 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3869 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 2220 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 10623 3407 579 Uninet S.A. de C.V., MX 10620 3454 520 708 Telmex Colombia S.A., CO 11830 2458 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 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 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 875 63 60 ORANGE-COTE-IVOIRE, CI 36935 736 521 39 Vodafone-, EG 6713 613 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 10623 3407 579 Uninet S.A. de C.V., MX 9808 9102 8913 41 CHINAMOBILE-CN China Mobile Communicati 9121 6918 1692 17 TTNET, TR 12479 6808 1718 153 UNI2-AS, ES 16509 6121 10139 2618 AMAZON-02, US 7545 5842 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4523 300 795 CABLEONE, US 8551 3997 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 9102 9061 CHINAMOBILE-CN China Mobile Communications Grou 9121 6918 6901 TTNET, TR 12479 6808 6655 UNI2-AS, ES 7545 5842 5166 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4570 ERX-CERNET-BKB China Education and Research Net 8551 3997 3958 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4523 3728 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 /14:1201 /15:2064 /16:13589 /17:8359 /18:13885 /19:25163 /20:43397 /21:52146 /22:108372 /23:95686 /24:523746 /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 6055 6918 TTNET, TR 12479 5760 6808 UNI2-AS, ES 8151 4499 10623 Uninet S.A. de C.V., MX 8551 3461 3997 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3456 4523 CABLEONE, US 6327 3169 3357 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) ---------------------------------------------- 1:1890 2:1000 3:153 4:7 5:3718 6:101 7:5 8:1523 9:1 11:172 12:1704 13:407 14:2367 15:153 16:39 17:374 18:130 20:167 21:4 22:188 23:5411 24:2347 25:4 27:2673 29:19 31:2425 32:101 34:1 35:51 36:1734 37:3937 38:2512 39:736 40:150 41:3881 42:1066 43:2118 44:294 45:16045 46:3842 47:304 49:1614 50:1899 51:107 52:1345 54:262 55:733 56:8 57:56 58:1818 59:1115 60:962 61:2277 62:2431 63:1947 64:5381 65:2323 66:4905 67:2948 68:1184 69:4168 70:1344 71:682 72:3071 74:2640 75:1515 76:714 77:2156 78:3814 79:3098 80:1926 81:1659 82:1453 83:1197 84:1326 85:3571 86:702 87:1898 88:2628 89:3141 90:499 91:7512 92:1902 93:2590 94:3247 95:4551 96:1308 97:345 98:993 99:863 100:76 101:1066 102:1923 103:28214 104:4120 105:462 106:847 107:2455 108:761 109:4193 110:2051 111:3209 112:1963 113:1488 114:1533 115:2139 116:1874 117:2512 118:2328 119:1870 120:1637 121:1060 122:2526 123:2154 124:1534 125:2086 128:1377 129:1196 130:920 131:2094 132:786 133:368 134:1940 135:290 136:857 137:1002 138:2481 139:1227 140:880 141:1345 142:1249 143:1436 144:1231 145:336 146:1771 147:1484 148:2241 149:1665 150:865 151:1083 152:1815 153:524 154:3698 155:1365 156:1843 157:1206 158:1007 159:2031 160:2387 161:1293 162:3427 163:1213 164:1680 165:1572 166:621 167:1716 168:3663 169:695 170:4315 171:821 172:3022 173:3043 174:1014 175:1142 176:3515 177:4586 178:3034 179:2005 180:2360 181:2868 182:3172 183:1921 184:2400 185:19265 186:4317 187:3551 188:3796 189:3216 190:8970 191:1310 192:11012 193:8518 194:6956 195:4960 196:2933 197:2368 198:5994 199:5999 200:7473 201:5728 202:10521 203:10229 204:4526 205:3386 206:3808 207:3378 208:4000 209:4616 210:4274 211:2459 212:3937 213:3390 214:1158 215:64 216:6408 217:2628 218:1225 219:554 220:2044 221:989 222:879 223:2146 End of report