IPv4 R&E Routing Table Report 21:10 GMT Thu 12 Jan, 2023 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: 916966 Prefixes after maximum aggregation (per Origin AS): 347540 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445026 Number of IPv4 prefixes with a valid ROA: 376754 Number of IPv4 prefixes with an invalid ROA: 2793 Number of IPv4 prefixes with no ROA: 537419 Total ASes present in the Internet Routing Table: 74058 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63638 Origin ASes announcing only one prefix: 26116 Transit ASes present in the Internet Routing Table: 10420 Transit-only ASes present in the Internet Routing Table: 420 Paths with bogon ASNs present in the IPv4 Routing Table: 54 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1028 Number of instances of unregistered ASNs: 1037 Number of 32-bit ASNs allocated by the RIRs: 41030 Number of 32-bit ASNs visible in the Routing Table: 34019 Prefixes from 32-bit ASNs in the Routing Table: 166434 Number of bogon 32-bit ASNs visible in the Routing Table: 51 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3063190272 Equivalent to 182 /8s, 148 /16s and 147 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 311405 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237783 Total APNIC prefixes after maximum aggregation: 68389 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232885 Unique aggregates announced from the APNIC address blocks: 97644 APNIC Region origin ASes present in the Internet Routing Table: 13214 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3837 APNIC Region transit ASes present in the Internet Routing Table: 1776 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8483 Number of APNIC addresses announced to Internet: 773542912 Equivalent to 46 /8s, 27 /16s and 84 /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: 267507 Total ARIN prefixes after maximum aggregation: 122074 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 268956 Unique aggregates announced from the ARIN address blocks: 129699 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6988 ARIN Region transit ASes present in the Internet Routing Table: 1937 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4726 Number of ARIN addresses announced to Internet: 1285892352 Equivalent to 76 /8s, 165 /16s and 41 /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: 263977 Total RIPE prefixes after maximum aggregation: 122229 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260832 Unique aggregates announced from the RIPE address blocks: 156188 RIPE Region origin ASes present in the Internet Routing Table: 28230 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3918 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10985 Number of RIPE addresses announced to Internet: 719313152 Equivalent to 42 /8s, 223 /16s and 217 /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: 117625 Total LACNIC prefixes after maximum aggregation: 28373 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116837 Unique aggregates announced from the LACNIC address blocks: 48955 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2273 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8776 Number of LACNIC addresses announced to Internet: 175952896 Equivalent to 10 /8s, 124 /16s and 212 /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: 29046 Total AfriNIC prefixes after maximum aggregation: 5698 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36943 Unique aggregates announced from the AfriNIC address blocks: 12122 AfriNIC Region origin ASes present in the Internet Routing Table: 1705 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 586 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1049 Number of AfriNIC addresses announced to Internet: 108195328 Equivalent to 6 /8s, 114 /16s and 238 /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 9352 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5940 786 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3628 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3096 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2698 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4538 2264 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7723 10691 2936 AMAZON-02, US 11492 4548 301 569 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3689 3062 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 63 SHAW, CA 16625 3449 1777 2510 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2611 24131 1580 ATT-INTERNET4, US 396982 2575 3493 370 GOOGLE-CLOUD-PLATFORM, US 30036 2570 369 369 MEDIACOM-ENTERPRISE-BUSINESS, 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 6957 1706 146 UNI2-AS, ES 9121 6164 1692 17 TTNET, TR 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4050 3400 177 AKAMAI-ASN1, NL 8551 3909 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 47331 2670 385 2013 TTNET, TR 9009 2648 252 1352 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, 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 10988 3338 589 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2206 361 592 Mega Cable, S.A. de C.V., MX 28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1135 186 461 Techtel LMDS Comunicaciones Interactiva 26615 1001 2466 43 TIM SA, BR 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 24835 1538 533 30 RAYA-AS, EG 24863 1480 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 42 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 509 52 40 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 490 32 1 MOVITEL, MZ 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 10988 3338 589 Uninet S.A. de C.V., MX 9808 9352 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7723 10691 2936 AMAZON-02, US 12479 6957 1706 146 UNI2-AS, ES 9121 6164 1692 17 TTNET, TR 7545 5940 786 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4548 301 569 CABLEONE, US 20940 4050 3400 177 AKAMAI-ASN1, NL 8551 3909 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9352 9305 CHINAMOBILE-CN China Mobile Communications Grou 12479 6957 6811 UNI2-AS, ES 9121 6164 6147 TTNET, TR 7545 5940 5238 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7723 4787 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4548 3979 CABLEONE, US 20940 4050 3873 AKAMAI-ASN1, NL 8551 3909 3871 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, 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, 3402 UNALLOCATED 8.2.200.0/21 6939 HURRICANE, US 3402 UNALLOCATED 8.2.207.0/24 2914 NTT-LTD-2914, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 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 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /10:39 /11:101 /12:299 /13:582 /14:1200 /15:2076 /16:13502 /17:8298 /18:13879 /19:25048 /20:43474 /21:52137 /22:110016 /23:98210 /24:548075 /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 6017 6957 UNI2-AS, ES 9121 5321 6164 TTNET, TR 8151 5001 10988 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3455 4548 CABLEONE, US 8551 3374 3909 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3523 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2724 3689 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2327 2670 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1243 3:168 4:5 5:4115 6:110 7:5 8:1545 9:1 11:172 12:1595 13:369 14:2321 15:285 16:79 17:369 18:412 20:243 21:4 22:188 23:6049 24:2487 25:4 27:2722 29:19 31:2500 32:97 34:8 35:99 36:1864 37:4596 38:4017 39:831 40:154 41:3950 42:1048 43:2322 44:305 45:16416 46:4161 47:382 49:1728 50:1920 51:378 52:1543 54:394 55:866 56:8 57:81 58:1754 59:1171 60:1009 61:2412 62:2655 63:1941 64:5668 65:2319 66:4909 67:3045 68:1342 69:4089 70:1256 71:663 72:2977 74:2582 75:1465 76:591 77:2373 78:3935 79:3163 80:2070 81:1819 82:1478 83:1231 84:1520 85:3736 86:745 87:1928 88:2860 89:3567 90:591 91:7642 92:1989 93:2573 94:3525 95:4874 96:1308 97:345 98:1166 99:740 100:77 101:1063 102:2542 103:30863 104:4597 105:484 106:842 107:2535 108:913 109:4372 110:2047 111:3260 112:2041 113:1485 114:1599 115:2098 116:1852 117:2544 118:2294 119:1896 120:1732 121:1082 122:2592 123:2175 124:1542 125:2322 128:1319 129:1057 130:975 131:2019 132:841 133:405 134:1906 135:298 136:889 137:1069 138:2597 139:1551 140:1029 141:1483 142:1425 143:1448 144:1188 145:350 146:1902 147:1549 148:2303 149:1879 150:868 151:1131 152:1978 153:557 154:3876 155:1403 156:1655 157:1302 158:1048 159:2267 160:2565 161:1430 162:3551 163:1494 164:1688 165:1671 166:831 167:1757 168:3869 169:923 170:4574 171:885 172:3493 173:3015 174:1024 175:1163 176:3722 177:4755 178:3555 179:2141 180:2430 181:3359 182:3238 183:1932 184:2346 185:20007 186:4672 187:3927 188:4084 189:3452 190:9065 191:1418 192:10956 193:8859 194:7236 195:5138 196:3010 197:2399 198:5990 199:6114 200:7737 201:5888 202:10523 203:10251 204:4606 205:3509 206:3866 207:3415 208:4096 209:4822 210:4365 211:2427 212:4113 213:3581 214:1102 215:55 216:6600 217:2643 218:1297 219:474 220:2035 221:972 222:740 223:1973 End of report