IPv4 R&E Routing Table Report 23:05 GMT Sun 25 Aug, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 949235 Prefixes after maximum aggregation (per Origin AS): 363944 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467056 Number of IPv4 prefixes with a valid ROA: 493672 Number of IPv4 prefixes with an invalid ROA: 1225 Number of IPv4 prefixes with no ROA: 454338 Total ASes present in the Internet Routing Table: 75886 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65181 Origin ASes announcing only one prefix: 26751 Transit ASes present in the Internet Routing Table: 10705 Transit-only ASes present in the Internet Routing Table: 506 Paths with bogon ASNs present in the IPv4 Routing Table: 17 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 979 Number of instances of unregistered ASNs: 992 Number of 32-bit ASNs allocated by the RIRs: 45245 Number of 32-bit ASNs visible in the Routing Table: 36868 Prefixes from 32-bit ASNs in the Routing Table: 190950 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 610 Number of addresses announced to Internet: 3033692416 Equivalent to 180 /8s, 210 /16s and 121 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312186 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250761 Total APNIC prefixes after maximum aggregation: 74551 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242731 Unique aggregates announced from the APNIC address blocks: 102059 APNIC Region origin ASes present in the Internet Routing Table: 14226 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4326 APNIC Region transit ASes present in the Internet Routing Table: 1890 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9700 Number of APNIC addresses announced to Internet: 761416448 Equivalent to 45 /8s, 98 /16s and 75 /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: 277382 Total ARIN prefixes after maximum aggregation: 125348 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281473 Unique aggregates announced from the ARIN address blocks: 134465 ARIN Region origin ASes present in the Internet Routing Table: 19103 ARIN Prefixes per ASN: 14.73 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1899 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4967 Number of ARIN addresses announced to Internet: 1266362624 Equivalent to 75 /8s, 123 /16s and 41 /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, 393216-402332 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: 265877 Total RIPE prefixes after maximum aggregation: 128236 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261739 Unique aggregates announced from the RIPE address blocks: 166163 RIPE Region origin ASes present in the Internet Routing Table: 28668 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3934 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11926 Number of RIPE addresses announced to Internet: 723763456 Equivalent to 43 /8s, 35 /16s and 193 /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: 122061 Total LACNIC prefixes after maximum aggregation: 28777 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119909 Unique aggregates announced from the LACNIC address blocks: 49615 LACNIC Region origin ASes present in the Internet Routing Table: 11137 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2450 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9044 Number of LACNIC addresses announced to Internet: 177340160 Equivalent to 10 /8s, 145 /16s and 255 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 32175 Total AfriNIC prefixes after maximum aggregation: 6397 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42773 Unique aggregates announced from the AfriNIC address blocks: 14232 AfriNIC Region origin ASes present in the Internet Routing Table: 1867 AfriNIC Prefixes per ASN: 22.91 AfriNIC Region origin ASes announcing only one prefix: 675 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1231 Number of AfriNIC addresses announced to Internet: 104480512 Equivalent to 6 /8s, 58 /16s and 63 /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 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5699 841 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3787 508 259 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1841 102 VNPT-AS-VN VNPT Corp, VN 24560 2787 825 480 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2201 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 10500 11773 3750 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3885 8782 904 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3422 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54897 2505 DNIC-AS-00749, US 7018 2958 23675 1861 ATT-INTERNET4, US 16625 2904 1234 2097 AKAMAI-AS, US 396982 2788 3567 418 GOOGLE-CLOUD-PLATFORM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7705 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3752 3396 129 AKAMAI-ASN1, NL 9009 3664 312 1857 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2329 359 583 TELLCOM-AS, TR 8551 1783 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1760 126 1292 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11837 3291 512 UNINET, MX 10620 3536 493 930 Telmex Colombia S.A., CO 13999 2518 352 675 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 777 205 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1146 374 163 Axtel, S.A.B. de C.V., MX 19037 1068 278 31 AMX Argentina S.A., AR 22884 1068 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1050 2503 53 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1610 389 16 LINKdotNET-AS, EG 24835 1536 577 26 RAYA-AS, EG 36992 1410 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 835 520 44 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 527 82 3 KENET-AS, KE 37342 510 32 1 MOVITEL, MZ 15399 509 56 57 WANANCHI-, KE Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11837 3291 512 UNINET, MX 16509 10500 11773 3750 AMAZON-02, US 9808 9899 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7705 1708 145 UNI2-AS, ES 7545 5699 841 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4316 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3957 1331 22 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9899 9824 CHINAMOBILE-CN China Mobile Communications Grou 12479 7705 7560 UNI2-AS, ES 16509 10500 6750 AMAZON-02, US 7545 5699 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4316 4293 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3957 3935 VIETEL-AS-AP Viettel Group, VN 20940 3752 3623 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:16 /10:37 /11:93 /12:294 /13:573 /14:1165 /15:2055 /16:13159 /17:8136 /18:13573 /19:24332 /20:43116 /21:51250 /22:110846 /23:99342 /24:581224 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6774 7705 UNI2-AS, ES 8151 5950 11837 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2165 3536 Telmex Colombia S.A., CO 30036 2158 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2131 10500 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1497 3:438 4:6 5:4447 6:161 7:6 8:1510 9:1 11:172 12:1430 13:353 14:2358 15:327 16:259 17:362 18:864 20:404 21:4 22:188 23:6778 24:2689 25:2 27:2573 29:19 31:2661 32:44 34:68 35:138 36:2347 37:4511 38:8346 39:918 40:151 41:4105 42:2033 43:2399 44:331 45:17434 46:4643 47:297 49:2019 50:1853 51:579 52:1575 54:316 55:945 56:8 57:212 58:2162 59:1202 60:1062 61:2743 62:2774 63:1853 64:5462 65:2287 66:4636 67:3009 68:1343 69:4030 70:1149 71:561 72:2846 74:2636 75:1560 76:616 77:2511 78:1850 79:1778 80:2191 81:2002 82:1658 83:1367 84:1704 85:3172 86:962 87:2029 88:1248 89:4246 90:689 91:8202 92:2433 93:2711 94:3741 95:4209 96:1273 97:316 98:1052 99:733 100:73 101:1168 102:3543 103:32272 104:4483 105:700 106:984 107:2361 108:1164 109:4085 110:2132 111:3238 112:2051 113:1798 114:1848 115:2061 116:1957 117:2669 118:2867 119:1985 120:1800 121:1343 122:2688 123:2245 124:1604 125:2832 126:64 128:1354 129:933 130:1193 131:1868 132:808 133:428 134:1473 135:310 136:1134 137:1065 138:2853 139:1531 140:1448 141:1461 142:1653 143:1609 144:1020 145:363 146:2102 147:2021 148:2533 149:2797 150:1064 151:1357 152:2105 153:501 154:6536 155:1430 156:2394 157:1790 158:1185 159:2442 160:3010 161:1705 162:3549 163:1733 164:1678 165:2140 166:1277 167:1849 168:4042 169:807 170:4974 171:1031 172:3902 173:3077 174:901 175:1256 176:3459 177:4765 178:3634 179:2207 180:2457 181:3850 182:3335 183:1994 184:2261 185:20943 186:4994 187:4320 188:4096 189:4146 190:9502 191:1507 192:11024 193:9220 194:7492 195:5317 196:3205 197:2991 198:5911 199:8053 200:8051 201:6320 202:10208 203:10363 204:4546 205:3649 206:4482 207:3531 208:4165 209:5040 210:4494 211:2545 212:4407 213:3664 214:1060 215:48 216:6708 217:2933 218:1329 219:426 220:1808 221:1047 222:701 223:2231 End of report