IPv4 R&E Routing Table Report 21:10 GMT Sat 14 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: 931161 Prefixes after maximum aggregation (per Origin AS): 353494 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 453989 Number of IPv4 prefixes with a valid ROA: 426238 Number of IPv4 prefixes with an invalid ROA: 2357 Number of IPv4 prefixes with no ROA: 502566 Total ASes present in the Internet Routing Table: 74895 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64355 Origin ASes announcing only one prefix: 26474 Transit ASes present in the Internet Routing Table: 10540 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 65 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 35 Max AS path prepend of ASN ( 51407) 31 Prefixes from unregistered ASNs in the Routing Table: 1021 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 42843 Number of 32-bit ASNs visible in the Routing Table: 35224 Prefixes from 32-bit ASNs in the Routing Table: 176003 Number of bogon 32-bit ASNs visible in the Routing Table: 102 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3050859776 Equivalent to 181 /8s, 216 /16s and 109 /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: 310041 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245618 Total APNIC prefixes after maximum aggregation: 70417 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 239085 Unique aggregates announced from the APNIC address blocks: 99164 APNIC Region origin ASes present in the Internet Routing Table: 13661 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 4092 APNIC Region transit ASes present in the Internet Routing Table: 1827 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9012 Number of APNIC addresses announced to Internet: 771295488 Equivalent to 45 /8s, 249 /16s and 9 /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: 273537 Total ARIN prefixes after maximum aggregation: 123808 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277168 Unique aggregates announced from the ARIN address blocks: 132126 ARIN Region origin ASes present in the Internet Routing Table: 19089 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6961 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: 4823 Number of ARIN addresses announced to Internet: 1277153536 Equivalent to 76 /8s, 31 /16s and 209 /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: 262149 Total RIPE prefixes after maximum aggregation: 124016 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257373 Unique aggregates announced from the RIPE address blocks: 160344 RIPE Region origin ASes present in the Internet Routing Table: 28436 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: 3900 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11372 Number of RIPE addresses announced to Internet: 716394752 Equivalent to 42 /8s, 179 /16s and 81 /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: 118795 Total LACNIC prefixes after maximum aggregation: 28573 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117739 Unique aggregates announced from the LACNIC address blocks: 49223 LACNIC Region origin ASes present in the Internet Routing Table: 11055 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: 2334 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: 8876 Number of LACNIC addresses announced to Internet: 178457088 Equivalent to 10 /8s, 163 /16s and 10 /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: 30041 Total AfriNIC prefixes after maximum aggregation: 5966 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39275 Unique aggregates announced from the AfriNIC address blocks: 12704 AfriNIC Region origin ASes present in the Internet Routing Table: 1796 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 628 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1141 Number of AfriNIC addresses announced to Internet: 107136256 Equivalent to 6 /8s, 98 /16s and 197 /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 5711 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4209 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 2946 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 9171 11005 3264 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 3051 3853 1425 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 4091 3398 152 AKAMAI-ASN1, NL 8551 3449 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 1713 922 538 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1521 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 11857 3380 599 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2395 326 621 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 770 196 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 1603 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 11857 3380 599 UNINET, MX 9808 9492 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9171 11005 3264 AMAZON-02, US 12479 7397 1713 145 UNI2-AS, ES 7545 5711 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4209 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4172 288 100 VIASAT-SP-BACKBONE, US 20940 4091 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 9171 5907 AMAZON-02, US 7545 5711 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4209 4184 FPT-AS-AP FPT Telecom Company, VN 7155 4172 4072 VIASAT-SP-BACKBONE, US 20940 4091 3939 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 /13:580 /14:1190 /15:2086 /16:13472 /17:8286 /18:13827 /19:25037 /20:43974 /21:51500 /22:110194 /23:99222 /24:561324 /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 5886 11857 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 2926 3449 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 2:1436 3:266 4:5 5:4364 6:137 7:6 8:1513 9:1 11:172 12:1499 13:372 14:2312 15:303 16:200 17:366 18:660 20:307 21:4 22:188 23:6462 24:2527 25:2 27:2600 29:19 31:2543 32:75 34:25 35:117 36:1992 37:4533 38:5425 39:865 40:143 41:3997 42:2032 43:2295 44:324 45:16689 46:4305 47:371 49:1827 50:1888 51:583 52:1596 54:393 55:948 56:5 57:129 58:1865 59:1160 60:1005 61:2534 62:2684 63:1910 64:5665 65:2346 66:5003 67:3037 68:1344 69:4133 70:1188 71:648 72:2947 74:2625 75:1566 76:636 77:2299 78:1827 79:3003 80:2097 81:1825 82:1533 83:1307 84:1577 85:3069 86:758 87:2017 88:1209 89:3935 90:625 91:7859 92:2063 93:2629 94:3553 95:4074 96:1301 97:316 98:1085 99:735 100:92 101:1294 102:2900 103:32313 104:4746 105:578 106:908 107:2721 108:1132 109:4249 110:2137 111:3141 112:2055 113:1748 114:1724 115:2032 116:1896 117:2463 118:2709 119:1982 120:1785 121:1180 122:2615 123:2196 124:1571 125:2584 128:1478 129:921 130:1057 131:1972 132:866 133:408 134:1782 135:303 136:911 137:1125 138:2672 139:1596 140:1298 141:1335 142:1524 143:1519 144:1009 145:348 146:1966 147:1617 148:2477 149:2333 150:884 151:1234 152:1846 153:590 154:5150 155:1390 156:2026 157:1358 158:1054 159:2200 160:2629 161:1603 162:3523 163:1625 164:1712 165:1858 166:1079 167:1739 168:3849 169:797 170:4619 171:927 172:3798 173:2980 174:980 175:1191 176:3795 177:4505 178:3560 179:2143 180:2523 181:3520 182:3374 183:1981 184:2277 185:20636 186:4720 187:4177 188:4158 189:3890 190:9305 191:1386 192:10973 193:8962 194:7296 195:5217 196:3119 197:2593 198:6016 199:6258 200:8023 201:6166 202:10492 203:10133 204:4552 205:3701 206:4389 207:3511 208:4128 209:4934 210:4450 211:2485 212:4270 213:3407 214:1103 215:70 216:6732 217:2774 218:1299 219:470 220:2035 221:987 222:758 223:2147 End of report