IPv4 R&E Routing Table Report 21:10 GMT Tue 02 Jan, 2024 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: 938170 Prefixes after maximum aggregation (per Origin AS): 357177 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 456222 Number of IPv4 prefixes with a valid ROA: 435402 Number of IPv4 prefixes with an invalid ROA: 2207 Number of IPv4 prefixes with no ROA: 500561 Total ASes present in the Internet Routing Table: 75188 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 64595 Origin ASes announcing only one prefix: 26539 Transit ASes present in the Internet Routing Table: 10593 Transit-only ASes present in the Internet Routing Table: 484 Paths with bogon ASNs present in the IPv4 Routing Table: 59 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 67 Max AS path prepend of ASN (272886) 61 Prefixes from unregistered ASNs in the Routing Table: 1069 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 43288 Number of 32-bit ASNs visible in the Routing Table: 35595 Prefixes from 32-bit ASNs in the Routing Table: 179503 Number of bogon 32-bit ASNs visible in the Routing Table: 65 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3044962304 Equivalent to 181 /8s, 126 /16s and 112 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 310664 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249502 Total APNIC prefixes after maximum aggregation: 71830 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 242561 Unique aggregates announced from the APNIC address blocks: 99527 APNIC Region origin ASes present in the Internet Routing Table: 13848 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 4162 APNIC Region transit ASes present in the Internet Routing Table: 1876 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9221 Number of APNIC addresses announced to Internet: 770640640 Equivalent to 45 /8s, 239 /16s and 11 /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, 131072-153913 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: 274141 Total ARIN prefixes after maximum aggregation: 124608 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278929 Unique aggregates announced from the ARIN address blocks: 132991 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4826 Number of ARIN addresses announced to Internet: 1273401088 Equivalent to 75 /8s, 230 /16s and 143 /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: 262609 Total RIPE prefixes after maximum aggregation: 125135 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257183 Unique aggregates announced from the RIPE address blocks: 160990 RIPE Region origin ASes present in the Internet Routing Table: 28498 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3888 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11486 Number of RIPE addresses announced to Internet: 714434560 Equivalent to 42 /8s, 149 /16s and 104 /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 196608-216475 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: 120230 Total LACNIC prefixes after maximum aggregation: 28833 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118922 Unique aggregates announced from the LACNIC address blocks: 49481 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2363 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 67 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8903 Number of LACNIC addresses announced to Internet: 178400768 Equivalent to 10 /8s, 162 /16s and 46 /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: 30619 Total AfriNIC prefixes after maximum aggregation: 6038 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 40085 Unique aggregates announced from the AfriNIC address blocks: 12830 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 22.07 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1159 Number of AfriNIC addresses announced to Internet: 107796736 Equivalent to 6 /8s, 108 /16s and 217 /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 9784 8739 53 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3829 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3416 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3248 1867 93 VNPT-AS-VN VNPT Corp, VN 4538 3229 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2662 857 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2186 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 9450 11199 3363 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3507 3071 296 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3203 1418 2324 AKAMAI-AS, US 749 3163 54929 2415 DNIC-AS-00749, US 367 2973 3843 1421 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2503 23622 1572 ATT-INTERNET4, 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 7563 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4012 3397 143 AKAMAI-ASN1, NL 9009 3483 300 1628 M247, RO 8551 3143 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 3000 2301 912 ROSTELECOM-AS, RU 34984 2324 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 577 TCI, IR 44477 1449 95 715 STARK-INDUSTRIES, GB 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 12164 3384 590 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1108 178 423 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1074 116 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1548 545 28 RAYA-AS, EG 24863 1531 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 504 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 37342 481 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 12164 3384 590 UNINET, MX 9808 9784 8739 53 CHINAMOBILE-CN China Mobile Communicati 16509 9450 11199 3363 AMAZON-02, US 12479 7563 1714 146 UNI2-AS, ES 7545 5674 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4012 3397 143 AKAMAI-ASN1, NL 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 9784 9731 CHINAMOBILE-CN China Mobile Communications Grou 12479 7563 7417 UNI2-AS, ES 16509 9450 6087 AMAZON-02, US 7545 5674 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4542 4517 FPT-AS-AP FPT Telecom Company, VN 39891 4570 4516 ALJAWWALSTC-AS, SA 7155 4173 4077 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4012 3869 AKAMAI-ASN1, NL 7552 3829 3809 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:37 /11:99 /12:298 /13:581 /14:1191 /15:2088 /16:13442 /17:8250 /18:13782 /19:25035 /20:44050 /21:51952 /22:110685 /23:99902 /24:566747 /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 6651 7563 UNI2-AS, ES 8151 6171 12164 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3117 4173 VIASAT-SP-BACKBONE, US 8551 2620 3143 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2560 3507 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2126 3523 Telmex Colombia S.A., CO 30036 2118 2461 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2276 2:1410 3:281 4:5 5:4411 6:163 7:6 8:1510 9:1 11:172 12:1486 13:376 14:2328 15:309 16:206 17:361 18:709 20:344 21:4 22:188 23:6581 24:2669 25:2 27:2549 29:19 31:2547 32:53 34:35 35:121 36:2127 37:4493 38:5841 39:884 40:147 41:4139 42:2201 43:2308 44:324 45:16721 46:4349 47:285 49:1895 50:1884 51:574 52:1592 54:368 55:891 56:5 57:131 58:1947 59:1159 60:1012 61:2586 62:2757 63:1908 64:5514 65:2225 66:5025 67:3040 68:1338 69:4057 70:1180 71:600 72:2921 74:2640 75:1547 76:628 77:2342 78:1834 79:2908 80:2112 81:1871 82:1534 83:1322 84:1625 85:3067 86:789 87:1962 88:1229 89:3970 90:656 91:7905 92:2173 93:2629 94:3600 95:4020 96:1294 97:315 98:1018 99:738 100:95 101:1160 102:3042 103:32565 104:4783 105:600 106:968 107:2750 108:1131 109:4059 110:2128 111:3151 112:2078 113:1711 114:1741 115:2058 116:1958 117:2636 118:2778 119:1960 120:1785 121:1297 122:2645 123:2195 124:1581 125:2796 128:1486 129:915 130:1075 131:1987 132:830 133:411 134:1703 135:304 136:915 137:1142 138:2741 139:1559 140:1348 141:1337 142:1542 143:1521 144:999 145:342 146:2023 147:1639 148:2490 149:2399 150:1027 151:1248 152:1968 153:595 154:5525 155:1366 156:2114 157:1387 158:1081 159:2208 160:2620 161:1619 162:3599 163:1680 164:1636 165:2117 166:1077 167:1743 168:3842 169:795 170:4709 171:976 172:3777 173:3005 174:892 175:1225 176:3601 177:4675 178:3555 179:2225 180:2413 181:3638 182:3413 183:2027 184:2268 185:20516 186:4801 187:4315 188:4020 189:3962 190:9347 191:1518 192:11037 193:8986 194:7353 195:5227 196:3170 197:2628 198:6004 199:6847 200:8130 201:6258 202:10496 203:10205 204:4595 205:3688 206:4460 207:3496 208:4097 209:4955 210:4579 211:2550 212:4220 213:3396 214:1116 215:50 216:6782 217:2778 218:1339 219:487 220:2052 221:1025 222:790 223:2189 End of report