IPv4 R&E Routing Table Report 21:10 GMT Tue 17 May, 2022 IPv4 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: 891441 Prefixes after maximum aggregation (per Origin AS): 337075 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 432265 Number of IPv4 prefixes with a valid ROA: 324675 Number of IPv4 prefixes with an invalid ROA: 2950 Number of IPv4 prefixes with no ROA: 563816 Total ASes present in the Internet Routing Table: 73185 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 62896 Origin ASes announcing only one prefix: 25779 Transit ASes present in the Internet Routing Table: 10289 Transit-only ASes present in the Internet Routing Table: 367 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 919 Number of instances of unregistered ASNs: 959 Number of 32-bit ASNs allocated by the RIRs: 39395 Number of 32-bit ASNs visible in the Routing Table: 32681 Prefixes from 32-bit ASNs in the Routing Table: 154452 Number of bogon 32-bit ASNs visible in the Routing Table: 117 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3070307072 Equivalent to 183 /8s, 1 /16s and 43 /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: 99.6 Total number of prefixes smaller than registry allocations: 297390 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236013 Total APNIC prefixes after maximum aggregation: 66492 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 231186 Unique aggregates announced from the APNIC address blocks: 94812 APNIC Region origin ASes present in the Internet Routing Table: 12643 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 3598 APNIC Region transit ASes present in the Internet Routing Table: 1739 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7853 Number of APNIC addresses announced to Internet: 775963392 Equivalent to 46 /8s, 64 /16s and 67 /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: 261997 Total ARIN prefixes after maximum aggregation: 120208 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261852 Unique aggregates announced from the ARIN address blocks: 125811 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 13.75 ARIN Region origin ASes announcing only one prefix: 6921 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4497 Number of ARIN addresses announced to Internet: 1295731712 Equivalent to 77 /8s, 59 /16s and 76 /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: 249720 Total RIPE prefixes after maximum aggregation: 116590 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247133 Unique aggregates announced from the RIPE address blocks: 150768 RIPE Region origin ASes present in the Internet Routing Table: 28149 RIPE Prefixes per ASN: 8.78 RIPE Region origin ASes announcing only one prefix: 12027 RIPE Region transit ASes present in the Internet Routing Table: 3926 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: 10705 Number of RIPE addresses announced to Internet: 713935616 Equivalent to 42 /8s, 141 /16s and 203 /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: 114969 Total LACNIC prefixes after maximum aggregation: 27608 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114787 Unique aggregates announced from the LACNIC address blocks: 48613 LACNIC Region origin ASes present in the Internet Routing Table: 10960 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2193 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8660 Number of LACNIC addresses announced to Internet: 176485632 Equivalent to 10 /8s, 132 /16s and 245 /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: 27823 Total AfriNIC prefixes after maximum aggregation: 5476 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35957 Unique aggregates announced from the AfriNIC address blocks: 11809 AfriNIC Region origin ASes present in the Internet Routing Table: 1639 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 568 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 966 Number of AfriNIC addresses announced to Internet: 107857152 Equivalent to 6 /8s, 109 /16s and 197 /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 9144 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5919 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4673 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3584 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3429 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2406 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2121 438 204 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 6390 10349 2765 AMAZON-02, US 11492 4492 298 697 CABLEONE, US 22773 3939 3073 361 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3595 1831 2542 AKAMAI-AS, US 6327 3435 1318 61 SHAW, CA 749 2882 50795 2138 DNIC-AS-00749, US 30036 2630 374 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2460 4961 419 CENTURYLINK-US-LEGACY-QWEST, US 20115 2250 3051 493 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 12479 6791 1730 150 UNI2-AS, ES 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3970 3192 561 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2921 2273 907 ROSTELECOM-AS, RU 6849 2907 355 21 UKRTELNET, UA 9009 2484 248 1290 M247, GB 34984 2246 358 630 TELLCOM-AS, TR 58224 1812 930 607 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10610 3397 561 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1807 299 474 Mega Cable, S.A. de C.V., MX 6503 1455 355 528 Axtel, S.A.B. de C.V., MX 28573 1390 2333 253 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1022 192 445 Techtel LMDS Comunicaciones Interactiva 11172 957 133 61 Alestra, S. de R.L. de C.V., MX 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 1656 393 21 LINKdotNET-AS, EG 24835 1441 497 29 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 947 65 57 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 51 36 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 23889 423 232 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 10610 3397 561 Uninet S.A. de C.V., MX 9808 9144 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6791 1730 150 UNI2-AS, ES 16509 6390 10349 2765 AMAZON-02, US 7545 5919 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4673 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4492 298 697 CABLEONE, US 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3970 3192 561 AKAMAI-ASN1, NL 22773 3939 3073 361 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 9144 9109 CHINAMOBILE-CN China Mobile Communications Grou 12479 6791 6641 UNI2-AS, ES 7545 5919 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4673 4598 ERX-CERNET-BKB China Education and Research Net 8551 4006 3967 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4492 3795 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 16509 6390 3625 AMAZON-02, US 22773 3939 3578 ASN-CXA-ALL-CCI-22773-RDC, 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.67.0.0/20 266452 ELETROINFO TELECOMUNICACOES LTDA - ME, BR 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 198.19.226.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 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 /10:41 /11:101 /12:307 /13:591 /14:1209 /15:2097 /16:13564 /17:8322 /18:13916 /19:25204 /20:43980 /21:51638 /22:107847 /23:95462 /24:527132 /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 12479 5770 6791 UNI2-AS, ES 8151 4327 10610 Uninet S.A. de C.V., MX 8551 3472 4006 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3398 4492 CABLEONE, US 6327 3249 3435 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2939 3939 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2286 2630 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1924 2:1047 3:154 4:6 5:3789 6:104 7:5 8:1542 9:1 11:172 12:1711 13:296 14:2375 15:201 16:44 17:384 18:161 20:212 21:4 22:188 23:5683 24:2306 25:6 27:2658 29:19 31:2425 32:93 34:4 35:78 36:1757 37:4418 38:2841 39:694 40:153 41:3967 42:1096 43:2190 44:291 45:16061 46:4122 47:322 49:1682 50:2162 51:100 52:1424 54:367 55:750 56:8 57:60 58:1861 59:1198 60:964 61:2249 62:2520 63:1939 64:5533 65:2312 66:4859 67:2999 68:1195 69:4156 70:1333 71:689 72:3051 74:2652 75:1392 76:579 77:2165 78:1848 79:3115 80:1984 81:1591 82:1496 83:1209 84:1356 85:2922 86:707 87:1965 88:1110 89:3285 90:522 91:7635 92:2023 93:2591 94:3480 95:3856 96:1306 97:349 98:997 99:737 100:75 101:1045 102:2079 103:29152 104:4387 105:462 106:873 107:2516 108:831 109:4245 110:2029 111:3238 112:2026 113:1503 114:1497 115:2150 116:1891 117:2514 118:2346 119:1878 120:1664 121:1105 122:2561 123:2138 124:1536 125:2142 128:1252 129:1097 130:973 131:2068 132:805 133:373 134:1896 135:288 136:886 137:996 138:2451 139:1515 140:860 141:1412 142:1294 143:1452 144:1204 145:344 146:1817 147:1504 148:2251 149:1729 150:853 151:1082 152:1852 153:536 154:3488 155:1425 156:1850 157:1232 158:1045 159:2182 160:2531 161:1277 162:3467 163:1277 164:1651 165:1613 166:722 167:1735 168:3790 169:842 170:4489 171:827 172:3186 173:3127 174:1024 175:1132 176:3527 177:4637 178:3527 179:2053 180:2345 181:2979 182:3207 183:1952 184:2384 185:19527 186:4330 187:3739 188:3861 189:3256 190:8964 191:1319 192:11036 193:8622 194:7011 195:4985 196:2976 197:2380 198:5994 199:6040 200:7499 201:5720 202:10474 203:10209 204:4546 205:3439 206:3767 207:3384 208:4046 209:4670 210:4351 211:2457 212:4020 213:3443 214:1156 215:67 216:6481 217:2663 218:1268 219:547 220:1957 221:982 222:847 223:2116 End of report