IPv4 R&E Routing Table Report 21:10 GMT Sun 29 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: 932309 Prefixes after maximum aggregation (per Origin AS): 354662 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454377 Number of IPv4 prefixes with a valid ROA: 427228 Number of IPv4 prefixes with an invalid ROA: 2319 Number of IPv4 prefixes with no ROA: 502762 Total ASes present in the Internet Routing Table: 74935 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64369 Origin ASes announcing only one prefix: 26447 Transit ASes present in the Internet Routing Table: 10566 Transit-only ASes present in the Internet Routing Table: 465 Paths with bogon ASNs present in the IPv4 Routing Table: 61 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 33 Max AS path prepend of ASN (150235) 30 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1092 Number of 32-bit ASNs allocated by the RIRs: 42954 Number of 32-bit ASNs visible in the Routing Table: 35263 Prefixes from 32-bit ASNs in the Routing Table: 176553 Number of bogon 32-bit ASNs visible in the Routing Table: 90 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 518 Number of addresses announced to Internet: 3051346176 Equivalent to 181 /8s, 223 /16s and 217 /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: 309805 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246297 Total APNIC prefixes after maximum aggregation: 70749 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 239648 Unique aggregates announced from the APNIC address blocks: 99227 APNIC Region origin ASes present in the Internet Routing Table: 13667 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 4088 APNIC Region transit ASes present in the Internet Routing Table: 1836 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: 9025 Number of APNIC addresses announced to Internet: 771760384 Equivalent to 46 /8s, 0 /16s and 33 /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: 273678 Total ARIN prefixes after maximum aggregation: 124193 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277793 Unique aggregates announced from the ARIN address blocks: 132346 ARIN Region origin ASes present in the Internet Routing Table: 19084 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1933 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: 4826 Number of ARIN addresses announced to Internet: 1276691456 Equivalent to 76 /8s, 24 /16s and 196 /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: 261982 Total RIPE prefixes after maximum aggregation: 124372 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256918 Unique aggregates announced from the RIPE address blocks: 160393 RIPE Region origin ASes present in the Internet Routing Table: 28456 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12082 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: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11391 Number of RIPE addresses announced to Internet: 716600064 Equivalent to 42 /8s, 182 /16s and 115 /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: 119060 Total LACNIC prefixes after maximum aggregation: 28626 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117974 Unique aggregates announced from the LACNIC address blocks: 49301 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2347 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8878 Number of LACNIC addresses announced to Internet: 178334720 Equivalent to 10 /8s, 161 /16s and 44 /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: 30232 Total AfriNIC prefixes after maximum aggregation: 5981 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39457 Unique aggregates announced from the AfriNIC address blocks: 12680 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 624 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: 1143 Number of AfriNIC addresses announced to Internet: 107536640 Equivalent to 6 /8s, 104 /16s and 225 /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 9481 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3602 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3310 1835 94 VNPT-AS-VN VNPT Corp, VN 9498 3229 490 239 BBIL-AP BHARTI Airtel Ltd., IN 7552 2959 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2949 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2558 850 376 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 9143 11017 3325 AMAZON-02, US 11492 4539 301 674 CABLEONE, US 7155 4173 288 100 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3528 3072 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3056 3847 1424 DNIC-ASBLK-00306-00371, US 16625 3018 1389 2297 AKAMAI-AS, US 396982 2706 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2556 23614 1603 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 7417 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4094 3397 147 AKAMAI-ASN1, NL 8551 3445 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3228 285 1598 M247, RO 12389 2952 2297 916 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1661 913 568 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 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 11916 3370 610 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2425 336 634 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1243 341 504 Axtel, S.A.B. de C.V., MX 6147 1109 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 1600 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 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 531 55 52 WANANCHI-, KE 37342 495 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 11916 3370 610 UNINET, MX 9808 9481 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9143 11017 3325 AMAZON-02, US 12479 7417 1713 145 UNI2-AS, ES 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 674 CABLEONE, US 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 100 VIASAT-SP-BACKBONE, US 20940 4094 3397 147 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 9481 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7417 7272 UNI2-AS, ES 16509 9143 5818 AMAZON-02, US 7545 5716 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4247 4222 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4073 VIASAT-SP-BACKBONE, US 20940 4094 3947 AKAMAI-ASN1, NL 11492 4539 3865 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 /13:582 /14:1193 /15:2091 /16:13495 /17:8299 /18:13810 /19:25011 /20:43961 /21:51510 /22:110273 /23:99427 /24:562189 /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 6505 7417 UNI2-AS, ES 8151 5954 11916 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3118 4173 VIASAT-SP-BACKBONE, US 8551 2922 3445 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2581 3528 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 3540 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) ---------------------------------------------- 1:2211 2:1435 3:269 4:5 5:4379 6:158 7:6 8:1515 9:1 11:172 12:1508 13:353 14:2313 15:306 16:203 17:366 18:666 20:308 21:4 22:188 23:6504 24:2535 25:2 27:2598 29:19 31:2552 32:71 34:26 35:118 36:2008 37:4475 38:5461 39:866 40:149 41:3996 42:2062 43:2287 44:325 45:16758 46:4364 47:370 49:1850 50:1878 51:578 52:1588 54:395 55:960 56:5 57:128 58:1880 59:1163 60:1008 61:2549 62:2657 63:1904 64:5527 65:2238 66:5019 67:3049 68:1345 69:4135 70:1186 71:636 72:2943 74:2633 75:1560 76:634 77:2331 78:1827 79:3009 80:2109 81:1830 82:1539 83:1306 84:1553 85:3013 86:761 87:1945 88:1196 89:3953 90:624 91:7883 92:2075 93:2624 94:3585 95:4019 96:1305 97:315 98:1086 99:733 100:92 101:1386 102:2955 103:32295 104:4794 105:576 106:982 107:2791 108:1140 109:4255 110:2135 111:3126 112:2061 113:1745 114:1691 115:2040 116:1910 117:2456 118:2706 119:1971 120:1767 121:1208 122:2621 123:2198 124:1569 125:2612 128:1470 129:921 130:1045 131:1991 132:859 133:408 134:1774 135:301 136:913 137:1129 138:2695 139:1584 140:1321 141:1327 142:1545 143:1523 144:1004 145:345 146:1971 147:1621 148:2472 149:2360 150:886 151:1240 152:1843 153:602 154:5280 155:1403 156:2053 157:1374 158:1060 159:2201 160:2623 161:1594 162:3509 163:1631 164:1701 165:1863 166:1071 167:1752 168:3849 169:795 170:4628 171:930 172:3880 173:3001 174:979 175:1197 176:3619 177:4489 178:3556 179:2135 180:2557 181:3593 182:3383 183:1992 184:2271 185:20664 186:4740 187:4166 188:4054 189:3910 190:9336 191:1405 192:11000 193:8965 194:7318 195:5223 196:3139 197:2560 198:6027 199:6362 200:8036 201:6197 202:10526 203:10164 204:4560 205:3712 206:4419 207:3500 208:4125 209:4923 210:4447 211:2484 212:4247 213:3410 214:1110 215:71 216:6736 217:2765 218:1303 219:471 220:2033 221:990 222:763 223:2146 End of report