IPv4 R&E Routing Table Report 21:10 GMT Fri 14 Jul, 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: 925165 Prefixes after maximum aggregation (per Origin AS): 350618 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 451986 Number of IPv4 prefixes with a valid ROA: 412579 Number of IPv4 prefixes with an invalid ROA: 2354 Number of IPv4 prefixes with no ROA: 510232 Total ASes present in the Internet Routing Table: 74559 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64084 Origin ASes announcing only one prefix: 26305 Transit ASes present in the Internet Routing Table: 10475 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1091 Number of instances of unregistered ASNs: 1109 Number of 32-bit ASNs allocated by the RIRs: 42264 Number of 32-bit ASNs visible in the Routing Table: 34790 Prefixes from 32-bit ASNs in the Routing Table: 173147 Number of bogon 32-bit ASNs visible in the Routing Table: 87 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 562 Number of addresses announced to Internet: 3053547008 Equivalent to 182 /8s, 1 /16s and 110 /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: 99.6 Total number of prefixes smaller than registry allocations: 308498 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243732 Total APNIC prefixes after maximum aggregation: 69247 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 237630 Unique aggregates announced from the APNIC address blocks: 98652 APNIC Region origin ASes present in the Internet Routing Table: 13475 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3982 APNIC Region transit ASes present in the Internet Routing Table: 1794 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8819 Number of APNIC addresses announced to Internet: 773322240 Equivalent to 46 /8s, 23 /16s and 246 /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: 271527 Total ARIN prefixes after maximum aggregation: 123483 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273746 Unique aggregates announced from the ARIN address blocks: 130810 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.34 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4806 Number of ARIN addresses announced to Internet: 1277106944 Equivalent to 76 /8s, 31 /16s and 27 /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: 260130 Total RIPE prefixes after maximum aggregation: 122661 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256782 Unique aggregates announced from the RIPE address blocks: 159842 RIPE Region origin ASes present in the Internet Routing Table: 28366 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3894 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: 11236 Number of RIPE addresses announced to Internet: 716771328 Equivalent to 42 /8s, 185 /16s and 16 /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 196608-213403 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: 119050 Total LACNIC prefixes after maximum aggregation: 28598 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118177 Unique aggregates announced from the LACNIC address blocks: 49526 LACNIC Region origin ASes present in the Internet Routing Table: 11023 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2336 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8812 Number of LACNIC addresses announced to Internet: 178454528 Equivalent to 10 /8s, 163 /16s and 0 /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: 29635 Total AfriNIC prefixes after maximum aggregation: 5890 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38267 Unique aggregates announced from the AfriNIC address blocks: 12693 AfriNIC Region origin ASes present in the Internet Routing Table: 1769 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1117 Number of AfriNIC addresses announced to Internet: 107558144 Equivalent to 6 /8s, 105 /16s and 53 /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 9524 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3524 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3364 1867 87 VNPT-AS-VN VNPT Corp, VN 7552 3344 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3047 497 247 BBIL-AP BHARTI Airtel Ltd., IN 4538 2733 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2444 834 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 587 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 8725 10890 3091 AMAZON-02, US 11492 4515 299 629 CABLEONE, US 7155 4166 286 86 VIASAT-SP-BACKBONE, US 22773 3548 3070 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3146 1559 2360 AKAMAI-AS, US 749 3142 54962 2394 DNIC-AS-00749, US 367 2750 3750 1319 DNIC-ASBLK-00306-00371, US 396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 396 MEDIACOM-ENTERPRISE-BUSINESS, 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 7299 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4085 3398 160 AKAMAI-ASN1, NL 8551 3466 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2948 2294 913 ROSTELECOM-AS, RU 9009 2650 246 1375 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1809 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11574 3377 588 UNINET, MX 10620 3529 507 840 Telmex Colombia S.A., CO 13999 2404 360 632 Mega Cable, S.A. de C.V., MX 11830 2225 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 239 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 510 Axtel, S.A.B. de C.V., MX 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1104 177 434 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 430 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 11574 3377 588 UNINET, MX 9808 9524 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8725 10890 3091 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5679 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4515 299 629 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4166 286 86 VIASAT-SP-BACKBONE, US 20940 4085 3398 160 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 9524 9487 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8725 5634 AMAZON-02, US 7545 5679 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4080 VIASAT-SP-BACKBONE, US 20940 4085 3925 AKAMAI-ASN1, NL 11492 4515 3886 CABLEONE, US 7713 3524 3461 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:39 /11:103 /12:296 /13:577 /14:1198 /15:2106 /16:13469 /17:8243 /18:13835 /19:25068 /20:43878 /21:51480 /22:109909 /23:98660 /24:556273 /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 6387 7299 UNI2-AS, ES 8151 5505 11574 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3426 4515 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3117 4166 VIASAT-SP-BACKBONE, US 8551 2935 3466 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2613 3548 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3529 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) ---------------------------------------------- 1:2167 2:1348 3:226 4:5 5:4503 6:130 7:6 8:1530 9:1 11:172 12:1520 13:380 14:2314 15:299 16:193 17:376 18:524 20:268 21:4 22:188 23:6355 24:2609 25:4 27:2553 29:19 31:2530 32:77 34:25 35:113 36:1943 37:4691 38:5000 39:829 40:152 41:3904 42:2018 43:2315 44:305 45:16664 46:4355 47:377 49:1757 50:1854 51:586 52:1595 54:397 55:974 56:8 57:121 58:1893 59:1149 60:985 61:2477 62:2634 63:1903 64:5616 65:2313 66:4978 67:3059 68:1334 69:4102 70:1210 71:683 72:2986 74:2633 75:1570 76:617 77:2446 78:1826 79:2977 80:2104 81:1790 82:1501 83:1260 84:1543 85:2992 86:765 87:2007 88:1182 89:3835 90:613 91:7789 92:2043 93:2600 94:3577 95:4048 96:1310 97:333 98:1169 99:735 100:96 101:1316 102:2853 103:31728 104:4575 105:505 106:872 107:2556 108:1077 109:4244 110:2108 111:3122 112:2060 113:1739 114:1630 115:2026 116:1892 117:2533 118:2615 119:1988 120:1794 121:1100 122:2570 123:2157 124:1565 125:2476 128:1475 129:1055 130:1019 131:1993 132:857 133:422 134:1800 135:307 136:887 137:1101 138:2555 139:1581 140:1258 141:1299 142:1474 143:1508 144:990 145:341 146:1972 147:1591 148:2441 149:2143 150:888 151:1166 152:1832 153:563 154:4675 155:1357 156:1838 157:1316 158:1088 159:2268 160:2582 161:1561 162:3516 163:1571 164:1606 165:1884 166:1069 167:1721 168:3878 169:950 170:4620 171:874 172:3644 173:2965 174:1086 175:1189 176:3744 177:4509 178:3609 179:2173 180:2564 181:3487 182:3394 183:1994 184:2322 185:20488 186:4776 187:4087 188:4106 189:3718 190:9245 191:1417 192:10927 193:8931 194:7328 195:5128 196:3097 197:2371 198:5993 199:6110 200:8074 201:5950 202:10542 203:10279 204:4565 205:3704 206:4341 207:3456 208:4142 209:4930 210:4399 211:2467 212:4252 213:3598 214:1088 215:59 216:6676 217:2742 218:1309 219:477 220:1985 221:968 222:753 223:2155 End of report