IPv4 R&E Routing Table Report 21:10 GMT Mon 31 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: 888833 Prefixes after maximum aggregation (per Origin AS): 333596 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426688 Number of IPv4 prefixes with a valid ROA: 306848 Number of IPv4 prefixes with an invalid ROA: 2797 Number of IPv4 prefixes with no ROA: 579188 Total ASes present in the Internet Routing Table: 72704 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62409 Origin ASes announcing only one prefix: 25689 Transit ASes present in the Internet Routing Table: 10295 Transit-only ASes present in the Internet Routing Table: 375 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: 922 Number of instances of unregistered ASNs: 926 Number of 32-bit ASNs allocated by the RIRs: 38452 Number of 32-bit ASNs visible in the Routing Table: 32005 Prefixes from 32-bit ASNs in the Routing Table: 149369 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: 541 Number of addresses announced to Internet: 3068223232 Equivalent to 182 /8s, 225 /16s and 95 /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: 299815 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234619 Total APNIC prefixes after maximum aggregation: 65466 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 229430 Unique aggregates announced from the APNIC address blocks: 93938 APNIC Region origin ASes present in the Internet Routing Table: 12321 APNIC Prefixes per ASN: 18.62 APNIC Region origin ASes announcing only one prefix: 3506 APNIC Region transit ASes present in the Internet Routing Table: 1733 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: 7529 Number of APNIC addresses announced to Internet: 774247936 Equivalent to 46 /8s, 38 /16s and 22 /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: 257935 Total ARIN prefixes after maximum aggregation: 118628 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257936 Unique aggregates announced from the ARIN address blocks: 123108 ARIN Region origin ASes present in the Internet Routing Table: 18934 ARIN Prefixes per ASN: 13.62 ARIN Region origin ASes announcing only one prefix: 6844 ARIN Region transit ASes present in the Internet Routing Table: 1925 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: 4314 Number of ARIN addresses announced to Internet: 1295874304 Equivalent to 77 /8s, 61 /16s and 121 /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: 253111 Total RIPE prefixes after maximum aggregation: 116217 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249583 Unique aggregates announced from the RIPE address blocks: 148796 RIPE Region origin ASes present in the Internet Routing Table: 28182 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3945 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: 10634 Number of RIPE addresses announced to Internet: 713379584 Equivalent to 42 /8s, 133 /16s and 79 /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: 114622 Total LACNIC prefixes after maximum aggregation: 27251 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115340 Unique aggregates announced from the LACNIC address blocks: 48473 LACNIC Region origin ASes present in the Internet Routing Table: 10918 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2196 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: 8611 Number of LACNIC addresses announced to Internet: 176208640 Equivalent to 10 /8s, 128 /16s and 187 /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: 27624 Total AfriNIC prefixes after maximum aggregation: 5356 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 36002 Unique aggregates announced from the AfriNIC address blocks: 11906 AfriNIC Region origin ASes present in the Internet Routing Table: 1582 AfriNIC Prefixes per ASN: 22.76 AfriNIC Region origin ASes announcing only one prefix: 545 AfriNIC Region transit ASes present in the Internet Routing Table: 316 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: 917 Number of AfriNIC addresses announced to Internet: 108180992 Equivalent to 6 /8s, 114 /16s and 182 /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 5854 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 3435 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2313 475 235 BBIL-AP BHARTI Airtel Ltd., IN 4766 2275 11119 593 KIXS-AS-KR Korea Telecom, KR 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2116 429 198 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 6157 10140 2622 AMAZON-02, US 11492 4517 299 789 CABLEONE, US 22773 3987 3032 371 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3919 264 30 VIASAT-SP-BACKBONE, US 16625 3666 1891 2567 AKAMAI-AS, US 6327 3359 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2610 374 141 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2505 4962 427 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 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 6884 1692 17 TTNET, TR 12479 6793 1716 152 UNI2-AS, ES 8551 4007 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3872 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2929 2290 905 ROSTELECOM-AS, RU 9009 2478 250 1289 M247, GB 34984 2219 357 602 TELLCOM-AS, TR 58224 1788 928 584 TCI, IR 47331 1760 278 1333 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 10754 3412 571 Uninet S.A. de C.V., MX 10620 3453 518 715 Telmex Colombia S.A., CO 11830 2462 369 62 Instituto Costarricense de Electricidad 13999 1651 283 468 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1389 2330 249 CLARO S.A., BR 3816 1247 658 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1133 2350 139 TIM SA, BR 6147 1094 369 21 Telefonica del Peru S.A.A., PE 11664 998 191 449 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 1611 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 735 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 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 10754 3412 571 Uninet S.A. de C.V., MX 9808 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6884 1692 17 TTNET, TR 12479 6793 1716 152 UNI2-AS, ES 16509 6157 10140 2622 AMAZON-02, US 7545 5854 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4517 299 789 CABLEONE, US 8551 4007 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3987 3032 371 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 6793 6641 UNI2-AS, ES 7545 5854 5169 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4571 ERX-CERNET-BKB China Education and Research Net 8551 4007 3968 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3919 3889 VIASAT-SP-BACKBONE, US 11492 4517 3728 CABLEONE, US 22773 3987 3616 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 /12:301 /13:591 /14:1203 /15:2067 /16:13586 /17:8363 /18:13899 /19:25162 /20:43457 /21:52176 /22:108328 /23:95736 /24:523794 /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 6021 6884 TTNET, TR 12479 5752 6793 UNI2-AS, ES 8151 4585 10754 Uninet S.A. de C.V., MX 8551 3471 4007 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3443 4517 CABLEONE, US 6327 3171 3359 SHAW, CA 7155 3009 3919 VIASAT-SP-BACKBONE, US 22773 2975 3987 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2265 2610 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1898 2:1002 3:153 4:7 5:3719 6:103 7:5 8:1521 9:1 11:172 12:1708 13:407 14:2371 15:155 16:39 17:373 18:135 20:166 21:4 22:188 23:5420 24:2335 25:6 27:2669 29:19 31:2407 32:98 34:1 35:52 36:1737 37:3945 38:2504 39:715 40:150 41:3883 42:1061 43:2116 44:294 45:16036 46:3858 47:303 49:1621 50:1902 51:107 52:1345 53:1 54:292 55:744 56:8 57:56 58:1818 59:1133 60:960 61:2275 62:2433 63:1944 64:5365 65:2312 66:4902 67:2947 68:1182 69:4160 70:1345 71:679 72:3055 74:2638 75:1516 76:715 77:2130 78:3808 79:3097 80:1932 81:1640 82:1452 83:1197 84:1323 85:3553 86:704 87:1899 88:2618 89:3138 90:500 91:7535 92:1899 93:2599 94:3250 95:4486 96:1308 97:345 98:990 99:863 100:76 101:1065 102:1957 103:28266 104:4107 105:462 106:844 107:2455 108:760 109:4185 110:2056 111:3208 112:1964 113:1487 114:1541 115:2134 116:1891 117:2509 118:2333 119:1869 120:1636 121:1055 122:2524 123:2153 124:1556 125:2106 128:1378 129:1197 130:920 131:2095 132:789 133:367 134:1944 135:290 136:857 137:999 138:2470 139:1231 140:882 141:1349 142:1248 143:1434 144:1229 145:341 146:1764 147:1478 148:2240 149:1664 150:857 151:1084 152:1821 153:524 154:3679 155:1331 156:1866 157:1216 158:1012 159:2028 160:2390 161:1295 162:3424 163:1216 164:1681 165:1548 166:619 167:1715 168:3679 169:694 170:4283 171:821 172:3011 173:3046 174:1018 175:1143 176:3507 177:4572 178:3037 179:2026 180:2359 181:2868 182:3188 183:1919 184:2401 185:19280 186:4306 187:3579 188:3795 189:3246 190:8982 191:1310 192:11010 193:8522 194:6943 195:4971 196:2925 197:2373 198:5987 199:5994 200:7514 201:5736 202:10542 203:10246 204:4530 205:3391 206:3800 207:3376 208:4003 209:4618 210:4275 211:2451 212:3935 213:3385 214:1157 215:64 216:6371 217:2622 218:1233 219:580 220:2045 221:990 222:862 223:2145 End of report