IPv4 R&E Routing Table Report 21:10 GMT Tue 04 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: 924624 Prefixes after maximum aggregation (per Origin AS): 350618 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 451693 Number of IPv4 prefixes with a valid ROA: 410974 Number of IPv4 prefixes with an invalid ROA: 2444 Number of IPv4 prefixes with no ROA: 511206 Total ASes present in the Internet Routing Table: 74538 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64083 Origin ASes announcing only one prefix: 26285 Transit ASes present in the Internet Routing Table: 10455 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 61 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: 1077 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 42208 Number of 32-bit ASNs visible in the Routing Table: 34766 Prefixes from 32-bit ASNs in the Routing Table: 173497 Number of bogon 32-bit ASNs visible in the Routing Table: 95 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 552 Number of addresses announced to Internet: 3053834496 Equivalent to 182 /8s, 5 /16s and 209 /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: 308343 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243562 Total APNIC prefixes after maximum aggregation: 69166 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 237481 Unique aggregates announced from the APNIC address blocks: 98572 APNIC Region origin ASes present in the Internet Routing Table: 13466 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 3983 APNIC Region transit ASes present in the Internet Routing Table: 1790 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: 8809 Number of APNIC addresses announced to Internet: 773116416 Equivalent to 46 /8s, 20 /16s and 210 /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: 271177 Total ARIN prefixes after maximum aggregation: 123540 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273558 Unique aggregates announced from the ARIN address blocks: 130722 ARIN Region origin ASes present in the Internet Routing Table: 19107 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1925 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: 4812 Number of ARIN addresses announced to Internet: 1278264832 Equivalent to 76 /8s, 48 /16s and 198 /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: 260352 Total RIPE prefixes after maximum aggregation: 122772 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256793 Unique aggregates announced from the RIPE address blocks: 159704 RIPE Region origin ASes present in the Internet Routing Table: 28351 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3909 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: 11232 Number of RIPE addresses announced to Internet: 717360896 Equivalent to 42 /8s, 194 /16s and 15 /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: 118842 Total LACNIC prefixes after maximum aggregation: 28552 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117978 Unique aggregates announced from the LACNIC address blocks: 49611 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2309 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8801 Number of LACNIC addresses announced to Internet: 177092608 Equivalent to 10 /8s, 142 /16s and 56 /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: 29614 Total AfriNIC prefixes after maximum aggregation: 5859 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38261 Unique aggregates announced from the AfriNIC address blocks: 12630 AfriNIC Region origin ASes present in the Internet Routing Table: 1762 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 619 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1112 Number of AfriNIC addresses announced to Internet: 107673600 Equivalent to 6 /8s, 106 /16s and 248 /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 5682 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3533 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3361 1851 90 VNPT-AS-VN VNPT Corp, VN 7552 3314 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3043 498 248 BBIL-AP BHARTI Airtel Ltd., IN 4538 2731 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2436 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11270 588 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 8693 10892 3102 AMAZON-02, US 11492 4403 292 778 CABLEONE, US 7155 4164 286 85 VIASAT-SP-BACKBONE, US 22773 3548 3069 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3130 1550 2352 AKAMAI-AS, US 749 3124 54969 2376 DNIC-AS-00749, US 367 2737 3746 1311 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2498 361 432 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 7296 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4094 3398 162 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2944 2292 912 ROSTELECOM-AS, RU 9009 2657 247 1381 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1832 946 535 TCI, IR 6849 1800 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 11516 3371 594 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2387 355 628 Mega Cable, S.A. de C.V., MX 11830 2232 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1305 344 512 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1101 177 433 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 1616 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 525 54 48 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 472 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 11516 3371 594 UNINET, MX 9808 9524 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8693 10892 3102 AMAZON-02, US 12479 7296 1706 141 UNI2-AS, ES 7545 5682 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4403 292 778 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 286 85 VIASAT-SP-BACKBONE, US 20940 4094 3398 162 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 7296 7155 UNI2-AS, ES 16509 8693 5591 AMAZON-02, US 7545 5682 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4079 VIASAT-SP-BACKBONE, US 20940 4094 3932 AKAMAI-ASN1, NL 11492 4403 3625 CABLEONE, US 7713 3533 3470 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 46887 LIGHTOWER, 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /12:299 /13:578 /14:1197 /15:2106 /16:13469 /17:8238 /18:13803 /19:25051 /20:43849 /21:51412 /22:109837 /23:98646 /24:555966 /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 6384 7296 UNI2-AS, ES 8151 5449 11516 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3336 4403 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3115 4164 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2614 3548 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2155 2:1342 3:226 4:5 5:4516 6:129 7:6 8:1532 9:1 11:172 12:1520 13:387 14:2316 15:301 16:196 17:377 18:501 20:260 21:4 22:188 23:6350 24:2509 25:6 27:2544 29:19 31:2516 32:78 34:23 35:113 36:1962 37:4677 38:4972 39:827 40:151 41:3939 42:2004 43:2326 44:305 45:16669 46:4344 47:376 49:1752 50:1858 51:586 52:1597 54:395 55:975 56:8 57:121 58:1893 59:1158 60:986 61:2478 62:2637 63:1908 64:5624 65:2316 66:5035 67:3053 68:1356 69:4096 70:1214 71:684 72:2971 74:2630 75:1565 76:614 77:2452 78:1833 79:2962 80:2106 81:1786 82:1512 83:1256 84:1552 85:3005 86:761 87:2004 88:1190 89:3789 90:613 91:7780 92:2037 93:2610 94:3578 95:4054 96:1306 97:337 98:1155 99:736 100:95 101:1075 102:2833 103:31726 104:4570 105:505 106:883 107:2572 108:1081 109:4239 110:2096 111:3129 112:2055 113:1734 114:1628 115:2028 116:1884 117:2538 118:2614 119:1983 120:1787 121:1103 122:2584 123:2155 124:1567 125:2487 128:1486 129:1054 130:1019 131:1977 132:852 133:419 134:1797 135:309 136:889 137:1092 138:2546 139:1558 140:1250 141:1428 142:1463 143:1519 144:1103 145:341 146:1970 147:1586 148:2438 149:2201 150:877 151:1163 152:1842 153:561 154:4680 155:1395 156:1811 157:1313 158:1084 159:2260 160:2547 161:1564 162:3519 163:1565 164:1610 165:1877 166:1087 167:1725 168:3854 169:951 170:4621 171:855 172:3636 173:2942 174:1064 175:1196 176:3778 177:4527 178:3615 179:2166 180:2548 181:3484 182:3391 183:1994 184:2324 185:20422 186:4803 187:4059 188:4106 189:3688 190:9243 191:1389 192:10932 193:8935 194:7331 195:5142 196:3130 197:2381 198:6003 199:6108 200:8002 201:5923 202:10509 203:10275 204:4573 205:3715 206:4343 207:3440 208:4142 209:4930 210:4400 211:2465 212:4268 213:3629 214:1083 215:59 216:6684 217:2769 218:1307 219:477 220:1993 221:967 222:745 223:2154 End of report