IPv4 R&E Routing Table Report 23:05 GMT Mon 03 Jun, 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: 944875 Prefixes after maximum aggregation (per Origin AS): 361210 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 463697 Number of IPv4 prefixes with a valid ROA: 478411 Number of IPv4 prefixes with an invalid ROA: 1135 Number of IPv4 prefixes with no ROA: 465329 Total ASes present in the Internet Routing Table: 75651 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65070 Origin ASes announcing only one prefix: 26653 Transit ASes present in the Internet Routing Table: 10581 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 981 Number of instances of unregistered ASNs: 983 Number of 32-bit ASNs allocated by the RIRs: 44644 Number of 32-bit ASNs visible in the Routing Table: 36452 Prefixes from 32-bit ASNs in the Routing Table: 186333 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 591 Number of addresses announced to Internet: 3025121024 Equivalent to 180 /8s, 79 /16s and 175 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311807 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249189 Total APNIC prefixes after maximum aggregation: 73379 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241349 Unique aggregates announced from the APNIC address blocks: 101062 APNIC Region origin ASes present in the Internet Routing Table: 14100 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4293 APNIC Region transit ASes present in the Internet Routing Table: 1880 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9552 Number of APNIC addresses announced to Internet: 761024000 Equivalent to 45 /8s, 92 /16s and 78 /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: 275794 Total ARIN prefixes after maximum aggregation: 124928 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280376 Unique aggregates announced from the ARIN address blocks: 134480 ARIN Region origin ASes present in the Internet Routing Table: 19113 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1915 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: 4913 Number of ARIN addresses announced to Internet: 1266212864 Equivalent to 75 /8s, 120 /16s and 224 /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: 266045 Total RIPE prefixes after maximum aggregation: 127374 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260722 Unique aggregates announced from the RIPE address blocks: 164473 RIPE Region origin ASes present in the Internet Routing Table: 28611 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12112 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11799 Number of RIPE addresses announced to Internet: 713854976 Equivalent to 42 /8s, 140 /16s and 144 /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: 121366 Total LACNIC prefixes after maximum aggregation: 28714 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119591 Unique aggregates announced from the LACNIC address blocks: 50082 LACNIC Region origin ASes present in the Internet Routing Table: 11088 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2380 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8983 Number of LACNIC addresses announced to Internet: 176552960 Equivalent to 10 /8s, 133 /16s and 252 /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: 31500 Total AfriNIC prefixes after maximum aggregation: 6152 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 42246 Unique aggregates announced from the AfriNIC address blocks: 13157 AfriNIC Region origin ASes present in the Internet Routing Table: 1835 AfriNIC Prefixes per ASN: 23.02 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1205 Number of AfriNIC addresses announced to Internet: 107158016 Equivalent to 6 /8s, 99 /16s and 26 /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 9827 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5634 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4343 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3764 509 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3276 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2802 863 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 199 TATACOMM-AS TATA Communications formerl 45090 2151 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9970 11391 3533 AMAZON-02, US 11492 4624 307 587 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3532 8783 875 COGENT-174, US 22773 3464 3024 217 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54904 2474 DNIC-AS-00749, US 16625 3044 1313 2196 AKAMAI-AS, US 7018 2873 23666 1812 ATT-INTERNET4, US 367 2791 3387 1313 DNIC-ASBLK-00306-00371, 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 7764 1708 145 UNI2-AS, ES 39891 4741 284 62 ALJAWWALSTC-AS, SA 20940 3795 3396 129 AKAMAI-ASN1, NL 9009 3511 300 1753 M247, RO 12389 2916 2294 871 ROSTELECOM-AS, RU 8551 2643 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2324 361 591 TELLCOM-AS, TR 212238 1687 123 1227 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 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 12172 3320 505 UNINET, MX 10620 3512 492 940 Telmex Colombia S.A., CO 13999 2546 355 666 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1237 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1076 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 24835 1569 577 29 RAYA-AS, EG 24863 1494 389 20 LINKdotNET-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1219 77 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 473 82 3 KENET-AS, KE 37342 470 32 1 MOVITEL, MZ 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 12172 3320 505 UNINET, MX 16509 9970 11391 3533 AMAZON-02, US 9808 9827 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7764 1708 145 UNI2-AS, ES 7545 5634 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 284 62 ALJAWWALSTC-AS, SA 11492 4624 307 587 CABLEONE, US 18403 4343 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3932 1331 21 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 9827 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7764 7619 UNI2-AS, ES 16509 9970 6437 AMAZON-02, US 7545 5634 4964 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 4679 ALJAWWALSTC-AS, SA 18403 4343 4320 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4624 4037 CABLEONE, US 7552 3932 3911 VIETEL-AS-AP Viettel Group, VN 20940 3795 3666 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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 BTN-ASN, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, 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 /9:14 /10:36 /11:93 /12:298 /13:573 /14:1168 /15:2050 /16:13192 /17:8139 /18:13603 /19:24348 /20:43058 /21:51080 /22:110703 /23:99040 /24:577456 /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 6856 7764 UNI2-AS, ES 8151 6218 12172 UNINET, MX 11492 3533 4624 CABLEONE, US 39891 3440 4741 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2569 3464 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2141 3512 Telmex Colombia S.A., CO 8551 2119 2643 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2296 2:1518 3:345 4:6 5:4545 6:161 7:6 8:1507 9:1 11:172 12:1462 13:362 14:2370 15:319 16:217 17:367 18:769 20:385 21:4 22:188 23:6810 24:2713 25:2 27:2552 29:19 31:2574 32:45 34:65 35:135 36:2310 37:4455 38:7551 39:897 40:125 41:4086 42:2089 43:2342 44:321 45:17138 46:4483 47:306 49:1958 50:1909 51:576 52:1583 54:313 55:996 56:7 57:178 58:2080 59:1197 60:1031 61:2627 62:2764 63:1892 64:5503 65:2317 66:4672 67:2992 68:1312 69:4103 70:1177 71:580 72:2874 74:2587 75:1551 76:620 77:2475 78:1855 79:2515 80:2188 81:2016 82:1649 83:1349 84:1665 85:3184 86:909 87:2019 88:1246 89:4118 90:687 91:8090 92:2301 93:2706 94:3726 95:4198 96:1277 97:315 98:1034 99:738 100:72 101:1169 102:3454 103:32444 104:4780 105:674 106:956 107:2701 108:1148 109:4141 110:2138 111:3251 112:2057 113:1784 114:1802 115:2068 116:1876 117:2663 118:2806 119:1990 120:1776 121:1301 122:2685 123:2210 124:1619 125:2858 126:32 128:1406 129:913 130:1150 131:1842 132:802 133:412 134:1734 135:315 136:1115 137:1039 138:2813 139:1530 140:1369 141:1346 142:1651 143:1565 144:1008 145:368 146:2064 147:1951 148:2513 149:2742 150:1033 151:1326 152:2201 153:525 154:6753 155:1462 156:2261 157:1819 158:1147 159:2318 160:2676 161:1696 162:3547 163:1703 164:1653 165:2153 166:1258 167:1791 168:3966 169:803 170:4908 171:1023 172:3852 173:3039 174:893 175:1231 176:3457 177:4720 178:3676 179:2211 180:2384 181:3736 182:3382 183:1994 184:2257 185:20794 186:4997 187:4524 188:4043 189:4146 190:9433 191:1518 192:10991 193:9103 194:7511 195:5303 196:3189 197:2618 198:5931 199:7879 200:7980 201:6248 202:10203 203:10145 204:4569 205:3614 206:4423 207:3483 208:4139 209:5004 210:4396 211:2527 212:4286 213:3494 214:1065 215:49 216:6752 217:3000 218:1294 219:413 220:1816 221:1036 222:694 223:2212 End of report