IPv4 R&E Routing Table Report 21:10 GMT Mon 16 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: 931557 Prefixes after maximum aggregation (per Origin AS): 353610 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454000 Number of IPv4 prefixes with a valid ROA: 426475 Number of IPv4 prefixes with an invalid ROA: 2401 Number of IPv4 prefixes with no ROA: 502681 Total ASes present in the Internet Routing Table: 74904 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64347 Origin ASes announcing only one prefix: 26495 Transit ASes present in the Internet Routing Table: 10557 Transit-only ASes present in the Internet Routing Table: 462 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: 42851 Number of 32-bit ASNs visible in the Routing Table: 35227 Prefixes from 32-bit ASNs in the Routing Table: 175990 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: 515 Number of addresses announced to Internet: 3052451072 Equivalent to 181 /8s, 240 /16s and 181 /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: 310161 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245693 Total APNIC prefixes after maximum aggregation: 70442 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 239131 Unique aggregates announced from the APNIC address blocks: 99174 APNIC Region origin ASes present in the Internet Routing Table: 13652 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 4097 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: 9008 Number of APNIC addresses announced to Internet: 772403968 Equivalent to 46 /8s, 9 /16s and 243 /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: 273645 Total ARIN prefixes after maximum aggregation: 123873 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277403 Unique aggregates announced from the ARIN address blocks: 132150 ARIN Region origin ASes present in the Internet Routing Table: 19100 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6965 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: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4826 Number of ARIN addresses announced to Internet: 1277178112 Equivalent to 76 /8s, 32 /16s and 49 /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: 262254 Total RIPE prefixes after maximum aggregation: 124049 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257442 Unique aggregates announced from the RIPE address blocks: 160329 RIPE Region origin ASes present in the Internet Routing Table: 28438 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3914 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: 11371 Number of RIPE addresses announced to Internet: 716368896 Equivalent to 42 /8s, 178 /16s and 236 /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: 118802 Total LACNIC prefixes after maximum aggregation: 28569 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117753 Unique aggregates announced from the LACNIC address blocks: 49239 LACNIC Region origin ASes present in the Internet Routing Table: 11053 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2712 LACNIC Region transit ASes present in the Internet Routing Table: 2337 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: 8878 Number of LACNIC addresses announced to Internet: 178456832 Equivalent to 10 /8s, 163 /16s and 9 /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: 30143 Total AfriNIC prefixes after maximum aggregation: 5963 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39312 Unique aggregates announced from the AfriNIC address blocks: 12685 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 342 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: 1144 Number of AfriNIC addresses announced to Internet: 107621888 Equivalent to 6 /8s, 106 /16s and 46 /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 5710 785 696 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 3209 495 247 BBIL-AP BHARTI Airtel Ltd., IN 4538 2948 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2948 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2546 847 390 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 11007 3281 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 3080 3858 1442 DNIC-ASBLK-00306-00371, US 16625 3019 1397 2301 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 7018 2507 23615 1572 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 7386 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4087 3398 152 AKAMAI-ASN1, NL 8551 3452 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3093 276 1511 M247, RO 12389 2955 2297 917 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 58224 1701 920 528 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1529 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 11860 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 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 191 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 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 1606 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 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 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 11860 3380 599 UNINET, MX 9808 9492 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9171 11007 3281 AMAZON-02, US 12479 7386 1713 145 UNI2-AS, ES 7545 5710 785 696 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 4087 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 7386 7241 UNI2-AS, ES 16509 9171 5890 AMAZON-02, US 7545 5710 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 4087 3935 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 /15:2092 /16:13488 /17:8293 /18:13823 /19:25035 /20:43982 /21:51521 /22:110227 /23:99268 /24:561585 /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 6472 7386 UNI2-AS, ES 8151 5890 11860 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 2929 3452 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 2:1434 3:266 4:5 5:4366 6:137 7:6 8:1512 9:1 11:172 12:1499 13:372 14:2313 15:303 16:200 17:367 18:661 20:308 21:4 22:188 23:6459 24:2528 25:2 27:2599 29:19 31:2546 32:75 34:25 35:117 36:1992 37:4529 38:5434 39:865 40:143 41:4000 42:2032 43:2295 44:324 45:16710 46:4300 47:371 49:1827 50:1889 51:583 52:1589 54:393 55:948 56:5 57:129 58:1865 59:1160 60:1005 61:2535 62:2686 63:1915 64:5666 65:2345 66:5011 67:3053 68:1346 69:4130 70:1187 71:648 72:2942 74:2625 75:1565 76:636 77:2304 78:1829 79:3008 80:2103 81:1823 82:1528 83:1304 84:1576 85:3073 86:761 87:2013 88:1211 89:3938 90:624 91:7858 92:2062 93:2638 94:3559 95:4075 96:1301 97:316 98:1085 99:736 100:92 101:1295 102:2919 103:32291 104:4748 105:578 106:908 107:2721 108:1137 109:4256 110:2138 111:3142 112:2055 113:1749 114:1724 115:2040 116:1896 117:2464 118:2706 119:1985 120:1786 121:1180 122:2608 123:2198 124:1570 125:2586 128:1477 129:921 130:1054 131:1972 132:867 133:408 134:1784 135:304 136:912 137:1133 138:2676 139:1593 140:1302 141:1330 142:1524 143:1526 144:1008 145:349 146:1971 147:1617 148:2481 149:2335 150:886 151:1239 152:1848 153:590 154:5175 155:1397 156:2021 157:1359 158:1057 159:2201 160:2627 161:1608 162:3518 163:1625 164:1720 165:1861 166:1078 167:1740 168:3837 169:796 170:4613 171:927 172:3794 173:2982 174:983 175:1192 176:3795 177:4497 178:3558 179:2143 180:2529 181:3525 182:3375 183:1979 184:2274 185:20649 186:4719 187:4171 188:4159 189:3899 190:9310 191:1382 192:10971 193:8963 194:7308 195:5207 196:3128 197:2601 198:6023 199:6281 200:8037 201:6176 202:10495 203:10139 204:4554 205:3696 206:4397 207:3512 208:4124 209:4933 210:4450 211:2485 212:4274 213:3400 214:1111 215:71 216:6730 217:2774 218:1299 219:470 220:2036 221:987 222:759 223:2151 End of report