IPv4 R&E Routing Table Report 21:10 GMT Wed 13 Sep, 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: 927628 Prefixes after maximum aggregation (per Origin AS): 352295 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 453255 Number of IPv4 prefixes with a valid ROA: 419768 Number of IPv4 prefixes with an invalid ROA: 2321 Number of IPv4 prefixes with no ROA: 505539 Total ASes present in the Internet Routing Table: 74762 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64271 Origin ASes announcing only one prefix: 26334 Transit ASes present in the Internet Routing Table: 10491 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 102 Max AS path prepend of ASN (211389) 100 Prefixes from unregistered ASNs in the Routing Table: 1079 Number of instances of unregistered ASNs: 1104 Number of 32-bit ASNs allocated by the RIRs: 42599 Number of 32-bit ASNs visible in the Routing Table: 35050 Prefixes from 32-bit ASNs in the Routing Table: 175106 Number of bogon 32-bit ASNs visible in the Routing Table: 127 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 583 Number of addresses announced to Internet: 3055072768 Equivalent to 182 /8s, 24 /16s and 182 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308597 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244710 Total APNIC prefixes after maximum aggregation: 70140 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 238373 Unique aggregates announced from the APNIC address blocks: 98632 APNIC Region origin ASes present in the Internet Routing Table: 13586 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 4033 APNIC Region transit ASes present in the Internet Routing Table: 1817 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8934 Number of APNIC addresses announced to Internet: 772481280 Equivalent to 46 /8s, 11 /16s and 33 /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: 272126 Total ARIN prefixes after maximum aggregation: 123691 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 275112 Unique aggregates announced from the ARIN address blocks: 131671 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.42 ARIN Region origin ASes announcing only one prefix: 6938 ARIN Region transit ASes present in the Internet Routing Table: 1925 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: 4817 Number of ARIN addresses announced to Internet: 1279217408 Equivalent to 76 /8s, 63 /16s and 79 /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: 261051 Total RIPE prefixes after maximum aggregation: 123258 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256821 Unique aggregates announced from the RIPE address blocks: 160305 RIPE Region origin ASes present in the Internet Routing Table: 28398 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11322 Number of RIPE addresses announced to Internet: 716793600 Equivalent to 42 /8s, 185 /16s and 103 /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: 118592 Total LACNIC prefixes after maximum aggregation: 28506 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117546 Unique aggregates announced from the LACNIC address blocks: 49269 LACNIC Region origin ASes present in the Internet Routing Table: 11037 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2320 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8846 Number of LACNIC addresses announced to Internet: 178384640 Equivalent to 10 /8s, 161 /16s and 239 /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: 30070 Total AfriNIC prefixes after maximum aggregation: 5963 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39192 Unique aggregates announced from the AfriNIC address blocks: 12892 AfriNIC Region origin ASes present in the Internet Routing Table: 1789 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 621 AfriNIC Region transit ASes present in the Internet Routing Table: 336 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: 1131 Number of AfriNIC addresses announced to Internet: 107743488 Equivalent to 6 /8s, 108 /16s and 9 /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 9485 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3308 1819 91 VNPT-AS-VN VNPT Corp, VN 9498 3150 498 251 BBIL-AP BHARTI Airtel Ltd., IN 4538 2947 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2928 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2509 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2290 11269 604 KIXS-AS-KR Korea Telecom, KR 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 9056 10991 3252 AMAZON-02, US 11492 4519 300 676 CABLEONE, US 7155 4179 288 101 VIASAT-SP-BACKBONE, US 22773 3549 3072 302 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 2999 1440 2273 AKAMAI-AS, US 367 2983 3832 1403 DNIC-ASBLK-00306-00371, US 396982 2696 3596 390 GOOGLE-CLOUD-PLATFORM, US 30036 2499 357 359 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 7364 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4076 3398 152 AKAMAI-ASN1, NL 8551 3451 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2969 2298 917 ROSTELECOM-AS, RU 9009 2723 254 1387 M247, RO 34984 2328 362 597 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1485 99 1153 ASDETUK www.heficed.com, US 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 11800 3367 596 UNINET, MX 10620 3542 506 851 Telmex Colombia S.A., CO 13999 2408 343 625 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1325 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1124 182 426 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1029 2501 49 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 24863 1608 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 913 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 525 55 49 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 24757 481 73 5 EthioNet-AS, ET 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 11800 3367 596 UNINET, MX 9808 9485 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9056 10991 3252 AMAZON-02, US 12479 7364 1713 145 UNI2-AS, ES 7545 5723 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 676 CABLEONE, US 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4179 288 101 VIASAT-SP-BACKBONE, US 20940 4076 3398 152 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 9485 9444 CHINAMOBILE-CN China Mobile Communications Grou 12479 7364 7219 UNI2-AS, ES 16509 9056 5804 AMAZON-02, US 7545 5723 5035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4353 4328 FPT-AS-AP FPT Telecom Company, VN 7155 4179 4078 VIASAT-SP-BACKBONE, US 20940 4076 3924 AKAMAI-ASN1, NL 11492 4519 3843 CABLEONE, US 7713 3594 3531 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 23.178.240.0/24 Origin: 399517 RESERVED, ZZ 23.178.240.0/24 Transit: 32425 SKB3-ARIN-BGP, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 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 /9:14 /10:39 /11:102 /12:297 /13:578 /14:1195 /15:2099 /16:13516 /17:8254 /18:13831 /19:24988 /20:43920 /21:51137 /22:109955 /23:99152 /24:558534 /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 6451 7364 UNI2-AS, ES 8151 5831 11800 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4519 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3124 4179 VIASAT-SP-BACKBONE, US 8551 2924 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2596 3549 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2105 3542 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2219 2:1424 3:259 4:5 5:4524 6:135 7:6 8:1514 9:1 11:172 12:1518 13:371 14:2314 15:304 16:197 17:369 18:639 20:283 21:4 22:188 23:6387 24:2501 25:6 27:2584 29:19 31:2522 32:77 34:26 35:116 36:1988 37:4531 38:5231 39:870 40:146 41:4021 42:2105 43:2282 44:319 45:16587 46:4280 47:374 49:1818 50:1888 51:597 52:1595 54:395 55:937 56:8 57:124 58:1882 59:1167 60:1000 61:2527 62:2683 63:1916 64:5655 65:2341 66:4921 67:3030 68:1342 69:4145 70:1194 71:671 72:2951 74:2601 75:1562 76:623 77:2300 78:1834 79:2987 80:2109 81:1833 82:1476 83:1287 84:1536 85:3052 86:764 87:1999 88:1167 89:3864 90:621 91:7824 92:2064 93:2622 94:3513 95:4003 96:1298 97:321 98:1083 99:735 100:91 101:1318 102:2910 103:32039 104:4616 105:561 106:891 107:2679 108:1132 109:4220 110:2127 111:3131 112:2067 113:1751 114:1694 115:2038 116:1885 117:2455 118:2710 119:1997 120:1779 121:1160 122:2599 123:2171 124:1573 125:2533 128:1486 129:925 130:1045 131:1972 132:863 133:408 134:1795 135:305 136:910 137:1124 138:2653 139:1560 140:1175 141:1288 142:1514 143:1515 144:1007 145:346 146:1956 147:1596 148:2460 149:2265 150:882 151:1231 152:1867 153:588 154:5188 155:1382 156:1947 157:1336 158:1084 159:2247 160:2585 161:1589 162:3536 163:1604 164:1707 165:1857 166:1072 167:1734 168:3741 169:902 170:4646 171:884 172:3714 173:2959 174:978 175:1192 176:3777 177:4454 178:3523 179:2131 180:2547 181:3530 182:3316 183:1985 184:2283 185:20568 186:4675 187:4185 188:4164 189:3824 190:9222 191:1379 192:10977 193:8968 194:7305 195:5204 196:3119 197:2534 198:6002 199:6119 200:7942 201:6035 202:10470 203:10145 204:4562 205:3693 206:4366 207:3485 208:4170 209:4940 210:4435 211:2476 212:4239 213:3427 214:1092 215:58 216:6709 217:2786 218:1295 219:467 220:2033 221:985 222:760 223:2143 End of report