IPv4 R&E Routing Table Report 23:05 GMT Mon 18 Dec, 2023 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: 929099 Prefixes after maximum aggregation (per Origin AS): 355726 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455453 Number of IPv4 prefixes with a valid ROA: 433687 Number of IPv4 prefixes with an invalid ROA: 755 Number of IPv4 prefixes with no ROA: 494657 Total ASes present in the Internet Routing Table: 74948 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64511 Origin ASes announcing only one prefix: 26537 Transit ASes present in the Internet Routing Table: 10437 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1021 Number of instances of unregistered ASNs: 1023 Number of 32-bit ASNs allocated by the RIRs: 43235 Number of 32-bit ASNs visible in the Routing Table: 35490 Prefixes from 32-bit ASNs in the Routing Table: 177779 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3046962432 Equivalent to 181 /8s, 156 /16s and 245 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309550 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243905 Total APNIC prefixes after maximum aggregation: 71391 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237085 Unique aggregates announced from the APNIC address blocks: 99385 APNIC Region origin ASes present in the Internet Routing Table: 13750 APNIC Prefixes per ASN: 17.24 APNIC Region origin ASes announcing only one prefix: 4149 APNIC Region transit ASes present in the Internet Routing Table: 1843 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9150 Number of APNIC addresses announced to Internet: 770589184 Equivalent to 45 /8s, 238 /16s and 66 /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: 272385 Total ARIN prefixes after maximum aggregation: 124155 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277010 Unique aggregates announced from the ARIN address blocks: 132670 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1853 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: 4809 Number of ARIN addresses announced to Internet: 1275369728 Equivalent to 76 /8s, 4 /16s and 153 /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: 261785 Total RIPE prefixes after maximum aggregation: 124829 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256347 Unique aggregates announced from the RIPE address blocks: 160695 RIPE Region origin ASes present in the Internet Routing Table: 28478 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3887 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11484 Number of RIPE addresses announced to Internet: 714520832 Equivalent to 42 /8s, 150 /16s and 185 /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: 119669 Total LACNIC prefixes after maximum aggregation: 28615 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118382 Unique aggregates announced from the LACNIC address blocks: 49365 LACNIC Region origin ASes present in the Internet Routing Table: 11045 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2351 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8895 Number of LACNIC addresses announced to Internet: 178335488 Equivalent to 10 /8s, 161 /16s and 47 /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: 30334 Total AfriNIC prefixes after maximum aggregation: 6021 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39762 Unique aggregates announced from the AfriNIC address blocks: 12916 AfriNIC Region origin ASes present in the Internet Routing Table: 1809 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 637 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1152 Number of AfriNIC addresses announced to Internet: 107787264 Equivalent to 6 /8s, 108 /16s and 180 /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 9766 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5672 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4471 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3630 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3268 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3264 494 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2642 852 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 TATACOMM-AS TATA Communications formerl 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 9420 11191 3385 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4167 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 69 SHAW, CA 22773 3465 3033 286 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3176 1413 2322 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2955 3843 1412 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2571 23629 1594 ATT-INTERNET4, 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 7590 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3993 3397 140 AKAMAI-ASN1, NL 9009 3495 300 1628 M247, RO 8551 3360 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2908 2301 911 ROSTELECOM-AS, RU 34984 2327 360 591 TELLCOM-AS, TR 13188 1606 100 29 TRIOLAN, UA 58224 1593 887 597 TCI, IR 8452 1527 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 12152 3380 602 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2490 339 634 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1094 177 429 Techtel LMDS Comunicaciones Interactiva 6147 1084 369 22 Telefonica del Peru S.A.A., PE 22884 1071 117 382 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1593 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1051 68 53 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 534 56 53 WANANCHI-, KE 36914 525 82 3 KENET-AS, KE 37342 490 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 12152 3380 602 UNINET, MX 9808 9766 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9420 11191 3385 AMAZON-02, US 12479 7590 1714 146 UNI2-AS, ES 7545 5672 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4471 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4167 288 96 VIASAT-SP-BACKBONE, US 20940 3993 3397 140 AKAMAI-ASN1, NL 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 9766 9723 CHINAMOBILE-CN China Mobile Communications Grou 12479 7590 7444 UNI2-AS, ES 16509 9420 6035 AMAZON-02, US 7545 5672 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4471 4446 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4071 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3993 3853 AKAMAI-ASN1, NL 7552 3630 3610 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 17054 EXPEDIENT, 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 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 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/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 /10:37 /11:99 /12:298 /13:577 /14:1192 /15:2058 /16:13403 /17:8165 /18:13657 /19:24757 /20:43129 /21:51148 /22:109976 /23:98996 /24:561569 /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 6676 7590 UNI2-AS, ES 8151 6157 12152 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3567 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3113 4167 VIASAT-SP-BACKBONE, US 8551 2843 3360 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2531 3465 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2262 2:1405 3:280 4:5 5:4396 6:164 7:6 8:1497 9:1 11:172 12:1489 13:375 14:2329 15:308 16:206 17:360 18:703 20:341 21:4 22:188 23:6576 24:2593 25:2 27:2556 29:19 31:2542 32:53 34:36 35:116 36:2091 37:4469 38:5717 39:880 40:147 41:4119 42:2159 43:2289 44:327 45:16630 46:4376 47:286 49:1896 50:1882 51:571 52:1595 54:386 55:870 56:5 57:126 58:1858 59:1104 60:1009 61:2478 62:2747 63:1905 64:5490 65:2349 66:4963 67:3045 68:1328 69:4050 70:1160 71:608 72:2925 74:2626 75:1551 76:626 77:2336 78:1822 79:3012 80:2108 81:1863 82:1520 83:1317 84:1605 85:2965 86:784 87:1974 88:1159 89:3931 90:649 91:7888 92:2182 93:2633 94:3579 95:4001 96:1299 97:316 98:1017 99:737 100:94 101:1145 102:3003 103:32294 104:4779 105:599 106:977 107:2756 108:1141 109:4167 110:2133 111:3153 112:2076 113:1707 114:1745 115:2003 116:1929 117:2561 118:2750 119:1942 120:1754 121:1238 122:2636 123:2176 124:1583 125:2755 128:1425 129:899 130:1058 131:1992 132:819 133:411 134:1717 135:294 136:904 137:982 138:2730 139:1551 140:1336 141:1353 142:1535 143:1532 144:1004 145:334 146:2001 147:1641 148:2486 149:2388 150:1013 151:1311 152:1839 153:528 154:5363 155:1374 156:2096 157:1368 158:1076 159:2201 160:2626 161:1621 162:3580 163:1628 164:1617 165:1861 166:1078 167:1742 168:3792 169:785 170:4686 171:969 172:3757 173:3008 174:892 175:1212 176:3587 177:4671 178:3528 179:2200 180:2324 181:3577 182:3405 183:2022 184:2263 185:20478 186:4814 187:4287 188:3998 189:3963 190:9302 191:1491 192:10951 193:8974 194:7337 195:5210 196:3122 197:2633 198:5903 199:6771 200:7991 201:6262 202:10186 203:10024 204:4568 205:3645 206:4390 207:3385 208:4079 209:4903 210:4319 211:2500 212:4207 213:3363 214:1117 215:49 216:6762 217:2764 218:1289 219:415 220:1798 221:1016 222:699 223:2192 End of report