IPv4 R&E Routing Table Report 21:10 GMT Sun 15 Oct, 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: 931374 Prefixes after maximum aggregation (per Origin AS): 353455 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 453856 Number of IPv4 prefixes with a valid ROA: 426277 Number of IPv4 prefixes with an invalid ROA: 2368 Number of IPv4 prefixes with no ROA: 502729 Total ASes present in the Internet Routing Table: 74902 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64350 Origin ASes announcing only one prefix: 26473 Transit ASes present in the Internet Routing Table: 10552 Transit-only ASes present in the Internet Routing Table: 461 Paths with bogon ASNs present in the IPv4 Routing Table: 66 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: 1023 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 42849 Number of 32-bit ASNs visible in the Routing Table: 35222 Prefixes from 32-bit ASNs in the Routing Table: 176037 Number of bogon 32-bit ASNs visible in the Routing Table: 104 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3051387136 Equivalent to 181 /8s, 224 /16s and 121 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 310136 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245645 Total APNIC prefixes after maximum aggregation: 70427 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 239067 Unique aggregates announced from the APNIC address blocks: 99108 APNIC Region origin ASes present in the Internet Routing Table: 13655 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 4090 APNIC Region transit ASes present in the Internet Routing Table: 1825 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9008 Number of APNIC addresses announced to Internet: 771368704 Equivalent to 45 /8s, 250 /16s and 39 /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: 273477 Total ARIN prefixes after maximum aggregation: 123757 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277228 Unique aggregates announced from the ARIN address blocks: 132111 ARIN Region origin ASes present in the Internet Routing Table: 19097 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1930 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: 4827 Number of ARIN addresses announced to Internet: 1277159168 Equivalent to 76 /8s, 31 /16s and 231 /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: 262287 Total RIPE prefixes after maximum aggregation: 124018 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257502 Unique aggregates announced from the RIPE address blocks: 160316 RIPE Region origin ASes present in the Internet Routing Table: 28438 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12093 RIPE Region transit ASes present in the Internet Routing Table: 3910 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: 11370 Number of RIPE addresses announced to Internet: 716382720 Equivalent to 42 /8s, 179 /16s and 34 /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: 118785 Total LACNIC prefixes after maximum aggregation: 28580 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117730 Unique aggregates announced from the LACNIC address blocks: 49248 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2698 LACNIC Region transit ASes present in the Internet Routing Table: 2340 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: 8875 Number of LACNIC addresses announced to Internet: 178429440 Equivalent to 10 /8s, 162 /16s and 158 /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: 30157 Total AfriNIC prefixes after maximum aggregation: 5959 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39327 Unique aggregates announced from the AfriNIC address blocks: 12646 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142 Number of AfriNIC addresses announced to Internet: 107624704 Equivalent to 6 /8s, 106 /16s and 57 /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 9492 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5710 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3311 1835 90 VNPT-AS-VN VNPT Corp, VN 9498 3210 495 249 BBIL-AP BHARTI Airtel Ltd., IN 4538 2948 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2948 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2547 849 386 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 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 9173 11006 3268 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4172 288 100 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3530 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3052 3853 1424 DNIC-ASBLK-00306-00371, US 16625 3000 1393 2289 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 7018 2512 23615 1574 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 7397 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4090 3398 152 AKAMAI-ASN1, NL 8551 3452 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3080 275 1500 M247, RO 12389 2954 2297 917 ROSTELECOM-AS, RU 34984 2334 362 594 TELLCOM-AS, TR 58224 1712 922 530 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1524 1852 15 TE-AS TE-AS, EG 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 11859 3380 599 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2414 332 626 Mega Cable, S.A. de C.V., MX 11830 1939 354 68 Instituto Costarricense de Electricidad 28573 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1285 343 509 Axtel, S.A.B. de C.V., MX 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1054 168 425 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1606 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 530 55 51 WANANCHI-, KE 24757 479 73 5 EthioNet-AS, ET 37342 461 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 11859 3380 599 UNINET, MX 9808 9492 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9173 11006 3268 AMAZON-02, US 12479 7397 1713 145 UNI2-AS, ES 7545 5710 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4206 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4172 288 100 VIASAT-SP-BACKBONE, US 20940 4090 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 9492 9452 CHINAMOBILE-CN China Mobile Communications Grou 12479 7397 7252 UNI2-AS, ES 16509 9173 5905 AMAZON-02, US 7545 5710 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4206 4181 FPT-AS-AP FPT Telecom Company, VN 7155 4172 4072 VIASAT-SP-BACKBONE, US 20940 4090 3938 AKAMAI-ASN1, NL 11492 4539 3867 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 23.189.192.0/24 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 /10:38 /11:101 /12:299 /13:581 /14:1191 /15:2090 /16:13483 /17:8290 /18:13824 /19:25033 /20:43968 /21:51514 /22:110242 /23:99283 /24:561406 /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 6483 7397 UNI2-AS, ES 8151 5888 11859 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3117 4172 VIASAT-SP-BACKBONE, US 8551 2929 3452 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2583 3530 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2112 3538 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) ---------------------------------------------- 1:2202 2:1435 3:266 4:5 5:4366 6:137 7:6 8:1512 9:1 11:172 12:1499 13:372 14:2312 15:303 16:200 17:367 18:660 20:308 21:4 22:188 23:6468 24:2527 25:2 27:2599 29:19 31:2544 32:75 34:25 35:117 36:1992 37:4531 38:5429 39:865 40:143 41:4010 42:2032 43:2288 44:322 45:16703 46:4302 47:371 49:1827 50:1890 51:583 52:1596 54:393 55:948 56:5 57:129 58:1865 59:1160 60:1005 61:2534 62:2684 63:1912 64:5663 65:2344 66:5004 67:3038 68:1344 69:4131 70:1188 71:648 72:2946 74:2625 75:1566 76:636 77:2300 78:1827 79:3008 80:2100 81:1825 82:1532 83:1307 84:1576 85:3071 86:759 87:2015 88:1212 89:3937 90:624 91:7865 92:2066 93:2633 94:3557 95:4075 96:1301 97:316 98:1085 99:736 100:92 101:1281 102:2908 103:32286 104:4743 105:578 106:908 107:2721 108:1133 109:4249 110:2137 111:3142 112:2055 113:1748 114:1724 115:2036 116:1896 117:2465 118:2706 119:1982 120:1786 121:1181 122:2614 123:2195 124:1570 125:2586 128:1478 129:921 130:1056 131:1969 132:867 133:408 134:1784 135:304 136:912 137:1125 138:2669 139:1599 140:1302 141:1330 142:1523 143:1515 144:1012 145:348 146:1970 147:1617 148:2480 149:2334 150:885 151:1236 152:1846 153:590 154:5180 155:1393 156:2025 157:1358 158:1055 159:2202 160:2631 161:1605 162:3517 163:1626 164:1716 165:1860 166:1077 167:1744 168:3846 169:796 170:4616 171:927 172:3797 173:2980 174:981 175:1191 176:3793 177:4518 178:3559 179:2142 180:2523 181:3522 182:3374 183:1979 184:2277 185:20652 186:4723 187:4174 188:4173 189:3895 190:9302 191:1381 192:10976 193:8962 194:7301 195:5214 196:3123 197:2592 198:6019 199:6263 200:8039 201:6120 202:10490 203:10131 204:4549 205:3679 206:4394 207:3513 208:4121 209:4937 210:4449 211:2485 212:4281 213:3409 214:1107 215:70 216:6728 217:2776 218:1299 219:470 220:2035 221:987 222:758 223:2147 End of report