IPv4 R&E Routing Table Report 21:10 GMT Mon 06 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: 932733 Prefixes after maximum aggregation (per Origin AS): 355001 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454335 Number of IPv4 prefixes with a valid ROA: 427990 Number of IPv4 prefixes with an invalid ROA: 2380 Number of IPv4 prefixes with no ROA: 502363 Total ASes present in the Internet Routing Table: 74969 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64421 Origin ASes announcing only one prefix: 26452 Transit ASes present in the Internet Routing Table: 10548 Transit-only ASes present in the Internet Routing Table: 479 Paths with bogon ASNs present in the IPv4 Routing Table: 50 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 102 Max AS path prepend of ASN (395585) 100 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 43017 Number of 32-bit ASNs visible in the Routing Table: 35308 Prefixes from 32-bit ASNs in the Routing Table: 177315 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3049661952 Equivalent to 181 /8s, 198 /16s and 38 /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: 99.6 Total number of prefixes smaller than registry allocations: 310319 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246375 Total APNIC prefixes after maximum aggregation: 70864 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 239596 Unique aggregates announced from the APNIC address blocks: 98934 APNIC Region origin ASes present in the Internet Routing Table: 13692 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 4102 APNIC Region transit ASes present in the Internet Routing Table: 1834 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9052 Number of APNIC addresses announced to Internet: 771813120 Equivalent to 46 /8s, 0 /16s and 239 /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: 273514 Total ARIN prefixes after maximum aggregation: 124262 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277795 Unique aggregates announced from the ARIN address blocks: 132246 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1928 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 102 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4821 Number of ARIN addresses announced to Internet: 1276525312 Equivalent to 76 /8s, 22 /16s and 59 /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: 262288 Total RIPE prefixes after maximum aggregation: 124462 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257116 Unique aggregates announced from the RIPE address blocks: 160611 RIPE Region origin ASes present in the Internet Routing Table: 28477 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11421 Number of RIPE addresses announced to Internet: 715079168 Equivalent to 42 /8s, 159 /16s and 62 /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: 119609 Total LACNIC prefixes after maximum aggregation: 28692 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118500 Unique aggregates announced from the LACNIC address blocks: 49394 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2344 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8881 Number of LACNIC addresses announced to Internet: 178399488 Equivalent to 10 /8s, 162 /16s and 41 /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: 29888 Total AfriNIC prefixes after maximum aggregation: 5985 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39210 Unique aggregates announced from the AfriNIC address blocks: 12725 AfriNIC Region origin ASes present in the Internet Routing Table: 1788 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 342 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: 1133 Number of AfriNIC addresses announced to Internet: 107430144 Equivalent to 6 /8s, 103 /16s and 65 /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 9546 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5712 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4251 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3602 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3304 1867 92 VNPT-AS-VN VNPT Corp, VN 9498 3247 491 240 BBIL-AP BHARTI Airtel Ltd., IN 7552 2960 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2938 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2574 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11269 603 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 9070 11005 3310 AMAZON-02, US 11492 4532 301 683 CABLEONE, US 7155 4174 288 100 VIASAT-SP-BACKBONE, US 6327 3546 1320 67 SHAW, CA 22773 3519 3071 298 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 367 3061 3868 1441 DNIC-ASBLK-00306-00371, US 16625 3035 1376 2287 AKAMAI-AS, US 396982 2710 3598 401 GOOGLE-CLOUD-PLATFORM, US 7018 2516 23614 1597 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 7410 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4011 3397 141 AKAMAI-ASN1, NL 8551 3447 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3419 296 1589 M247, RO 12389 2954 2297 917 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1662 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1515 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 11958 3373 607 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2431 331 636 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1296 777 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1106 369 22 Telefonica del Peru S.A.A., PE 11664 1059 168 431 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 1609 391 38 LINKdotNET-AS, EG 24835 1494 497 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 809 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 501 53 40 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 24757 480 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 11958 3373 607 UNINET, MX 9808 9546 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9070 11005 3310 AMAZON-02, US 12479 7410 1713 145 UNI2-AS, ES 7545 5712 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4532 301 683 CABLEONE, US 18403 4251 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4174 288 100 VIASAT-SP-BACKBONE, US 20940 4011 3397 141 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 9546 9506 CHINAMOBILE-CN China Mobile Communications Grou 12479 7410 7265 UNI2-AS, ES 16509 9070 5760 AMAZON-02, US 7545 5712 5019 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4251 4226 FPT-AS-AP FPT Telecom Company, VN 7155 4174 4074 VIASAT-SP-BACKBONE, US 20940 4011 3870 AKAMAI-ASN1, NL 11492 4532 3849 CABLEONE, US 7713 3602 3532 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 /11:100 /12:299 /13:581 /14:1193 /15:2090 /16:13465 /17:8301 /18:13788 /19:25010 /20:43902 /21:51461 /22:110122 /23:99447 /24:562905 /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 6500 7410 UNI2-AS, ES 8151 5986 11958 UNINET, MX 11492 3446 4532 CABLEONE, US 6327 3356 3546 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3119 4174 VIASAT-SP-BACKBONE, US 8551 2924 3447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2573 3519 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 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) ---------------------------------------------- 1:2214 2:1428 3:272 4:5 5:4384 6:161 7:6 8:1515 9:1 11:172 12:1496 13:333 14:2313 15:304 16:203 17:367 18:670 20:318 21:4 22:188 23:6516 24:2542 25:2 27:2605 29:19 31:2552 32:68 34:30 35:118 36:2016 37:4488 38:5538 39:865 40:149 41:3998 42:2070 43:2300 44:324 45:16800 46:4364 47:371 49:1860 50:1876 51:577 52:1578 54:389 55:885 56:5 57:129 58:1894 59:1161 60:1011 61:2568 62:2688 63:1900 64:5531 65:2219 66:5025 67:3055 68:1342 69:4130 70:1185 71:633 72:2943 74:2631 75:1564 76:640 77:2328 78:1827 79:3008 80:2104 81:1859 82:1536 83:1304 84:1616 85:3000 86:772 87:1942 88:1232 89:3954 90:625 91:7874 92:2129 93:2640 94:3581 95:4018 96:1303 97:314 98:1086 99:733 100:92 101:1383 102:2932 103:32320 104:4793 105:574 106:979 107:2791 108:1143 109:4248 110:2135 111:3138 112:2061 113:1725 114:1696 115:2047 116:1902 117:2479 118:2708 119:1956 120:1764 121:1228 122:2625 123:2199 124:1569 125:2627 128:1478 129:916 130:1055 131:1999 132:863 133:408 134:1692 135:300 136:909 137:1133 138:2720 139:1568 140:1323 141:1326 142:1550 143:1529 144:1005 145:344 146:1970 147:1631 148:2469 149:2360 150:883 151:1243 152:1845 153:600 154:5313 155:1404 156:2095 157:1363 158:1059 159:2199 160:2619 161:1597 162:3529 163:1615 164:1688 165:1867 166:1072 167:1757 168:3859 169:793 170:4671 171:931 172:3877 173:2996 174:978 175:1200 176:3620 177:4613 178:3558 179:2172 180:2342 181:3578 182:3365 183:1990 184:2267 185:20660 186:4800 187:4259 188:4059 189:3939 190:9335 191:1466 192:11008 193:8982 194:7311 195:5212 196:3131 197:2491 198:6030 199:6421 200:8069 201:6215 202:10520 203:10186 204:4559 205:3713 206:4397 207:3520 208:4125 209:4930 210:4455 211:2484 212:4266 213:3416 214:1117 215:71 216:6730 217:2772 218:1306 219:471 220:2035 221:1001 222:773 223:2157 End of report