IPv4 R&E Routing Table Report 21:10 GMT Tue 17 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: 931605 Prefixes after maximum aggregation (per Origin AS): 353708 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454107 Number of IPv4 prefixes with a valid ROA: 426644 Number of IPv4 prefixes with an invalid ROA: 2360 Number of IPv4 prefixes with no ROA: 502601 Total ASes present in the Internet Routing Table: 74922 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64358 Origin ASes announcing only one prefix: 26468 Transit ASes present in the Internet Routing Table: 10564 Transit-only ASes present in the Internet Routing Table: 465 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: 1020 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 42854 Number of 32-bit ASNs visible in the Routing Table: 35240 Prefixes from 32-bit ASNs in the Routing Table: 176116 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: 517 Number of addresses announced to Internet: 3052593664 Equivalent to 181 /8s, 242 /16s and 226 /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: 310142 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245746 Total APNIC prefixes after maximum aggregation: 70444 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 239171 Unique aggregates announced from the APNIC address blocks: 99173 APNIC Region origin ASes present in the Internet Routing Table: 13658 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 4088 APNIC Region transit ASes present in the Internet Routing Table: 1829 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9013 Number of APNIC addresses announced to Internet: 772415488 Equivalent to 46 /8s, 10 /16s and 32 /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: 273724 Total ARIN prefixes after maximum aggregation: 123939 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277485 Unique aggregates announced from the ARIN address blocks: 132142 ARIN Region origin ASes present in the Internet Routing Table: 19102 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4828 Number of ARIN addresses announced to Internet: 1277124864 Equivalent to 76 /8s, 31 /16s and 97 /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: 262237 Total RIPE prefixes after maximum aggregation: 124054 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257412 Unique aggregates announced from the RIPE address blocks: 160382 RIPE Region origin ASes present in the Internet Routing Table: 28439 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12085 RIPE Region transit ASes present in the Internet Routing Table: 3912 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: 11373 Number of RIPE addresses announced to Internet: 716487168 Equivalent to 42 /8s, 180 /16s and 186 /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: 118805 Total LACNIC prefixes after maximum aggregation: 28576 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117755 Unique aggregates announced from the LACNIC address blocks: 49269 LACNIC Region origin ASes present in the Internet Routing Table: 11056 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2347 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: 8880 Number of LACNIC addresses announced to Internet: 178496256 Equivalent to 10 /8s, 163 /16s and 163 /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: 30073 Total AfriNIC prefixes after maximum aggregation: 5982 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39264 Unique aggregates announced from the AfriNIC address blocks: 12716 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 631 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 1146 Number of AfriNIC addresses announced to Internet: 107648256 Equivalent to 6 /8s, 106 /16s and 149 /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 4205 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 3205 493 242 BBIL-AP BHARTI Airtel Ltd., IN 4538 2949 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2948 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 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 9155 11002 3277 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 3072 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54957 2412 DNIC-AS-00749, US 367 3081 3858 1441 DNIC-ASBLK-00306-00371, US 16625 3034 1399 2307 AKAMAI-AS, US 396982 2705 3598 398 GOOGLE-CLOUD-PLATFORM, US 7018 2519 23617 1580 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 7389 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4093 3398 151 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3094 276 1514 M247, RO 12389 2955 2297 917 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 58224 1704 920 523 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1534 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 11870 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 2005 369 64 Instituto Costarricense de Electricidad 28573 1334 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 1112 369 22 Telefonica del Peru S.A.A., PE 11664 1052 168 427 Techtel LMDS Comunicaciones Interactiva 26615 1027 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 1605 393 19 LINKdotNET-AS, EG 24835 1544 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 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 37342 461 32 1 MOVITEL, MZ 24757 457 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 11870 3380 599 UNINET, MX 9808 9492 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9155 11002 3277 AMAZON-02, US 12479 7389 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 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4172 288 100 VIASAT-SP-BACKBONE, US 20940 4093 3398 151 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 7389 7244 UNI2-AS, ES 16509 9155 5878 AMAZON-02, US 7545 5711 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4205 4180 FPT-AS-AP FPT Telecom Company, VN 7155 4172 4072 VIASAT-SP-BACKBONE, US 20940 4093 3942 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 /14:1193 /15:2091 /16:13486 /17:8297 /18:13819 /19:25016 /20:43952 /21:51512 /22:110247 /23:99301 /24:561641 /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 6475 7389 UNI2-AS, ES 8151 5899 11870 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 2927 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2583 3530 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2496 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) ---------------------------------------------- 1:2188 2:1436 3:265 4:5 5:4371 6:136 7:6 8:1513 9:1 11:172 12:1500 13:365 14:2312 15:303 16:200 17:365 18:664 20:308 21:4 22:188 23:6473 24:2529 25:2 27:2597 29:19 31:2546 32:75 34:26 35:117 36:1992 37:4501 38:5436 39:865 40:143 41:4001 42:2045 43:2294 44:324 45:16720 46:4365 47:371 49:1825 50:1887 51:583 52:1588 54:393 55:948 56:5 57:129 58:1868 59:1160 60:1007 61:2535 62:2684 63:1911 64:5668 65:2347 66:5004 67:3053 68:1346 69:4132 70:1188 71:648 72:2942 74:2627 75:1561 76:636 77:2290 78:1829 79:3007 80:2106 81:1827 82:1530 83:1299 84:1576 85:3066 86:760 87:2013 88:1205 89:3931 90:624 91:7861 92:2066 93:2639 94:3558 95:4040 96:1300 97:316 98:1085 99:736 100:92 101:1296 102:2925 103:32314 104:4772 105:578 106:910 107:2720 108:1134 109:4257 110:2138 111:3138 112:2057 113:1747 114:1726 115:2036 116:1894 117:2464 118:2706 119:1982 120:1786 121:1181 122:2612 123:2191 124:1565 125:2589 128:1475 129:922 130:1050 131:1974 132:870 133:408 134:1781 135:304 136:912 137:1133 138:2681 139:1590 140:1302 141:1332 142:1521 143:1525 144:990 145:349 146:1972 147:1618 148:2480 149:2337 150:885 151:1240 152:1848 153:590 154:5164 155:1397 156:2025 157:1359 158:1058 159:2201 160:2633 161:1608 162:3516 163:1623 164:1723 165:1854 166:1077 167:1737 168:3850 169:797 170:4621 171:926 172:3798 173:2988 174:983 175:1192 176:3751 177:4510 178:3573 179:2152 180:2528 181:3504 182:3377 183:1993 184:2275 185:20644 186:4721 187:4169 188:4153 189:3898 190:9309 191:1376 192:10978 193:8973 194:7308 195:5217 196:3130 197:2586 198:6021 199:6295 200:8035 201:6196 202:10491 203:10137 204:4553 205:3708 206:4396 207:3511 208:4129 209:4940 210:4445 211:2484 212:4271 213:3403 214:1108 215:71 216:6732 217:2774 218:1299 219:470 220:2036 221:988 222:759 223:2153 End of report