IPv4 R&E Routing Table Report 21:10 GMT Mon 27 Nov, 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: 934478 Prefixes after maximum aggregation (per Origin AS): 355645 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454690 Number of IPv4 prefixes with a valid ROA: 430497 Number of IPv4 prefixes with an invalid ROA: 2293 Number of IPv4 prefixes with no ROA: 501688 Total ASes present in the Internet Routing Table: 75062 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64496 Origin ASes announcing only one prefix: 26479 Transit ASes present in the Internet Routing Table: 10566 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 46 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 41 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1071 Number of instances of unregistered ASNs: 1073 Number of 32-bit ASNs allocated by the RIRs: 43108 Number of 32-bit ASNs visible in the Routing Table: 35432 Prefixes from 32-bit ASNs in the Routing Table: 177962 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3048220416 Equivalent to 181 /8s, 176 /16s and 39 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 310120 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247483 Total APNIC prefixes after maximum aggregation: 71287 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 240718 Unique aggregates announced from the APNIC address blocks: 99394 APNIC Region origin ASes present in the Internet Routing Table: 13763 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 4138 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9116 Number of APNIC addresses announced to Internet: 771349504 Equivalent to 45 /8s, 249 /16s and 220 /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: 273511 Total ARIN prefixes after maximum aggregation: 124037 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278145 Unique aggregates announced from the ARIN address blocks: 132187 ARIN Region origin ASes present in the Internet Routing Table: 19076 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1936 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: 4830 Number of ARIN addresses announced to Internet: 1276109568 Equivalent to 76 /8s, 15 /16s and 227 /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: 262407 Total RIPE prefixes after maximum aggregation: 124789 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256930 Unique aggregates announced from the RIPE address blocks: 160402 RIPE Region origin ASes present in the Internet Routing Table: 28479 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12085 RIPE Region transit ASes present in the Internet Routing Table: 3895 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11447 Number of RIPE addresses announced to Internet: 714419200 Equivalent to 42 /8s, 149 /16s and 44 /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: 119835 Total LACNIC prefixes after maximum aggregation: 28800 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118631 Unique aggregates announced from the LACNIC address blocks: 49448 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2336 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 41 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8888 Number of LACNIC addresses announced to Internet: 178438656 Equivalent to 10 /8s, 162 /16s and 194 /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: 30171 Total AfriNIC prefixes after maximum aggregation: 6015 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39527 Unique aggregates announced from the AfriNIC address blocks: 12829 AfriNIC Region origin ASes present in the Internet Routing Table: 1810 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 632 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1151 Number of AfriNIC addresses announced to Internet: 107539712 Equivalent to 6 /8s, 104 /16s and 237 /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 9727 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5684 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3597 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3383 494 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3243 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2987 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2937 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2624 853 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 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 9341 11141 3298 AMAZON-02, US 11492 4555 302 679 CABLEONE, US 7155 4175 288 98 VIASAT-SP-BACKBONE, US 6327 3558 1320 68 SHAW, CA 22773 3516 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3142 1393 2309 AKAMAI-AS, US 367 3023 3864 1425 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2593 23620 1608 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 7483 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4022 3397 144 AKAMAI-ASN1, NL 9009 3467 299 1616 M247, RO 8551 3431 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2935 2299 919 ROSTELECOM-AS, RU 34984 2320 361 588 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1593 884 618 TCI, IR 8452 1534 1852 14 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 12091 3376 603 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2464 337 644 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1340 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1302 781 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1249 341 505 Axtel, S.A.B. de C.V., MX 6147 1082 369 22 Telefonica del Peru S.A.A., PE 11664 1077 173 433 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 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 1593 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 492 32 1 MOVITEL, MZ 24757 460 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 12091 3376 603 UNINET, MX 9808 9727 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9341 11141 3298 AMAZON-02, US 12479 7483 1714 146 UNI2-AS, ES 7545 5684 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4555 302 679 CABLEONE, US 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 98 VIASAT-SP-BACKBONE, US 20940 4022 3397 144 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 9727 9686 CHINAMOBILE-CN China Mobile Communications Grou 12479 7483 7337 UNI2-AS, ES 16509 9341 6043 AMAZON-02, US 7545 5684 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4347 4322 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4077 VIASAT-SP-BACKBONE, US 20940 4022 3878 AKAMAI-ASN1, NL 11492 4555 3876 CABLEONE, US 7713 3597 3527 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 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 /10:38 /11:99 /12:298 /13:582 /14:1191 /15:2088 /16:13459 /17:8266 /18:13795 /19:24992 /20:43879 /21:51494 /22:110528 /23:99718 /24:564020 /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 6575 7483 UNI2-AS, ES 8151 6111 12091 UNINET, MX 11492 3469 4555 CABLEONE, US 6327 3367 3558 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3122 4175 VIASAT-SP-BACKBONE, US 8551 2908 3431 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2569 3516 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3525 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) ---------------------------------------------- 1:2230 2:1429 3:276 4:5 5:4393 6:162 7:6 8:1510 9:1 11:172 12:1492 13:374 14:2314 15:303 16:206 17:367 18:684 20:319 21:4 22:188 23:6518 24:2569 25:2 27:2597 29:19 31:2541 32:55 34:32 35:118 36:2029 37:4470 38:5673 39:881 40:149 41:3998 42:2076 43:2310 44:331 45:16694 46:4379 47:373 49:1873 50:1883 51:573 52:1593 54:393 55:875 56:5 57:128 58:1913 59:1162 60:1010 61:2582 62:2729 63:1899 64:5493 65:2230 66:5040 67:3061 68:1354 69:4115 70:1190 71:613 72:2927 74:2630 75:1564 76:628 77:2338 78:1829 79:3018 80:2111 81:1840 82:1533 83:1314 84:1621 85:2984 86:781 87:1948 88:1240 89:3949 90:631 91:7873 92:2143 93:2648 94:3584 95:4016 96:1300 97:316 98:1083 99:738 100:97 101:1411 102:2996 103:32548 104:4793 105:591 106:972 107:2755 108:1139 109:4210 110:2132 111:3132 112:2075 113:1688 114:1724 115:2048 116:1920 117:2507 118:2742 119:1965 120:1784 121:1269 122:2635 123:2206 124:1576 125:2767 128:1495 129:912 130:1058 131:1988 132:870 133:407 134:1704 135:302 136:923 137:1190 138:2726 139:1573 140:1337 141:1338 142:1538 143:1525 144:1008 145:343 146:1994 147:1626 148:2466 149:2322 150:1016 151:1259 152:1838 153:590 154:5304 155:1380 156:2113 157:1372 158:1057 159:2211 160:2609 161:1605 162:3568 163:1634 164:1649 165:1881 166:1109 167:1765 168:3835 169:801 170:4680 171:946 172:3769 173:2998 174:955 175:1217 176:3630 177:4587 178:3558 179:2189 180:2347 181:3605 182:3372 183:2025 184:2257 185:20457 186:4811 187:4273 188:4057 189:3979 190:9298 191:1493 192:11010 193:8972 194:7291 195:5196 196:3141 197:2485 198:6038 199:6532 200:8097 201:6242 202:10525 203:10194 204:4583 205:3705 206:4435 207:3507 208:4108 209:4927 210:4473 211:2488 212:4223 213:3399 214:1116 215:71 216:6716 217:2757 218:1321 219:474 220:2028 221:1013 222:791 223:2186 End of report