IPv4 R&E Routing Table Report 23:05 GMT Mon 01 Apr, 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: 936425 Prefixes after maximum aggregation (per Origin AS): 358349 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458876 Number of IPv4 prefixes with a valid ROA: 457587 Number of IPv4 prefixes with an invalid ROA: 996 Number of IPv4 prefixes with no ROA: 477842 Total ASes present in the Internet Routing Table: 75402 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64739 Origin ASes announcing only one prefix: 26567 Transit ASes present in the Internet Routing Table: 10663 Transit-only ASes present in the Internet Routing Table: 497 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1065 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 43985 Number of 32-bit ASNs visible in the Routing Table: 36067 Prefixes from 32-bit ASNs in the Routing Table: 182689 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: 580 Number of addresses announced to Internet: 3027526144 Equivalent to 180 /8s, 116 /16s and 98 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309065 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246831 Total APNIC prefixes after maximum aggregation: 72415 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239502 Unique aggregates announced from the APNIC address blocks: 99956 APNIC Region origin ASes present in the Internet Routing Table: 13972 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4233 APNIC Region transit ASes present in the Internet Routing Table: 1854 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9409 Number of APNIC addresses announced to Internet: 760148992 Equivalent to 45 /8s, 78 /16s and 244 /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: 273431 Total ARIN prefixes after maximum aggregation: 123992 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278066 Unique aggregates announced from the ARIN address blocks: 133064 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1918 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4863 Number of ARIN addresses announced to Internet: 1269468672 Equivalent to 75 /8s, 170 /16s and 142 /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: 263147 Total RIPE prefixes after maximum aggregation: 126328 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258061 Unique aggregates announced from the RIPE address blocks: 162764 RIPE Region origin ASes present in the Internet Routing Table: 28571 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3973 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11691 Number of RIPE addresses announced to Internet: 714588928 Equivalent to 42 /8s, 151 /16s and 195 /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: 121235 Total LACNIC prefixes after maximum aggregation: 28781 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119567 Unique aggregates announced from the LACNIC address blocks: 49585 LACNIC Region origin ASes present in the Internet Routing Table: 11060 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2595 LACNIC Region transit ASes present in the Internet Routing Table: 2393 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8921 Number of LACNIC addresses announced to Internet: 177173760 Equivalent to 10 /8s, 143 /16s and 117 /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: 30716 Total AfriNIC prefixes after maximum aggregation: 6131 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40649 Unique aggregates announced from the AfriNIC address blocks: 13042 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.41 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1183 Number of AfriNIC addresses announced to Internet: 105836544 Equivalent to 6 /8s, 78 /16s and 240 /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 9829 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5661 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4619 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3858 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3611 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3525 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2769 863 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2199 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 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 9784 11362 3417 AMAZON-02, US 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3604 1320 75 SHAW, CA 22773 3515 3043 228 ASN-CXA-ALL-CCI-22773-RDC, US 174 3343 6629 808 COGENT-174, US 749 3189 54916 2441 DNIC-AS-00749, US 16625 3076 1313 2202 AKAMAI-AS, US 367 2878 3579 1363 DNIC-ASBLK-00306-00371, US 396982 2763 3641 412 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 7680 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3841 3395 126 AKAMAI-ASN1, NL 9009 3263 283 1596 M247, RO 12389 2987 2304 905 ROSTELECOM-AS, RU 8551 2650 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1528 1852 14 TE-AS TE-AS, EG 44477 1504 98 713 STARK-INDUSTRIES, GB 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 12349 3315 493 UNINET, MX 10620 3528 497 889 Telmex Colombia S.A., CO 13999 2515 342 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6503 1103 346 480 Axtel, S.A.B. de C.V., MX 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1073 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 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 531 55 54 WANANCHI-, KE 36914 476 82 3 KENET-AS, KE 24757 429 73 5 EthioNet-AS, ET 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 12349 3315 493 UNINET, MX 9808 9829 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9784 11362 3417 AMAZON-02, US 12479 7680 1709 144 UNI2-AS, ES 7545 5661 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4619 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3858 1330 20 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 9829 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7680 7536 UNI2-AS, ES 16509 9784 6367 AMAZON-02, US 7545 5661 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4619 4594 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4596 3977 CABLEONE, US 7552 3858 3838 VIETEL-AS-AP Viettel Group, VN 20940 3841 3715 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 17054 EXPEDIENT, 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 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /11:95 /12:297 /13:579 /14:1194 /15:2067 /16:13247 /17:8131 /18:13567 /19:24515 /20:43047 /21:50884 /22:110130 /23:98202 /24:570396 /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 6796 7680 UNI2-AS, ES 8151 6362 12349 UNINET, MX 11492 3509 4596 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3401 3604 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2615 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2480 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2134 3528 Telmex Colombia S.A., CO 8551 2126 2650 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) ---------------------------------------------- 1:2275 2:1480 3:321 4:6 5:4514 6:162 7:6 8:1499 9:1 11:172 12:1464 13:377 14:2355 15:318 16:210 17:367 18:754 20:356 21:4 22:188 23:6639 24:2710 25:2 27:2614 29:19 31:2644 32:46 34:63 35:123 36:2246 37:4476 38:7171 39:892 40:125 41:4060 42:2232 43:2315 44:316 45:16928 46:4393 47:301 49:1893 50:1898 51:573 52:1583 54:307 55:988 56:5 57:164 58:1983 59:1186 60:1028 61:2607 62:2690 63:1892 64:5548 65:2318 66:4679 67:3062 68:1333 69:4083 70:1192 71:576 72:2897 74:2573 75:1549 76:629 77:2423 78:1846 79:2488 80:2188 81:1933 82:1548 83:1313 84:1638 85:3103 86:831 87:2021 88:1238 89:4007 90:678 91:8069 92:2198 93:2636 94:3663 95:4146 96:1305 97:313 98:1040 99:743 100:93 101:1169 102:3070 103:32428 104:4720 105:635 106:928 107:2756 108:1114 109:4037 110:2136 111:3221 112:2065 113:1770 114:1779 115:2013 116:1864 117:2613 118:2838 119:1962 120:1783 121:1263 122:2663 123:2198 124:1607 125:2840 126:32 128:1431 129:924 130:1087 131:1862 132:792 133:410 134:1720 135:317 136:943 137:1032 138:2822 139:1544 140:1384 141:1358 142:1603 143:1491 144:1001 145:344 146:2029 147:1732 148:2476 149:2561 150:1032 151:1335 152:1971 153:523 154:6185 155:1421 156:2216 157:1669 158:1078 159:2308 160:2602 161:1631 162:3590 163:1704 164:1639 165:2129 166:1068 167:1759 168:3917 169:790 170:4738 171:1003 172:3824 173:3023 174:902 175:1199 176:3663 177:4712 178:3574 179:2246 180:2362 181:3671 182:3375 183:2041 184:2266 185:20634 186:4921 187:4460 188:4032 189:4070 190:9305 191:1475 192:10968 193:9037 194:7436 195:5248 196:3150 197:2379 198:5881 199:7538 200:7993 201:6301 202:10170 203:10166 204:4541 205:3698 206:4444 207:3371 208:4113 209:4984 210:4386 211:2487 212:4279 213:3383 214:1089 215:50 216:6757 217:2811 218:1312 219:406 220:1816 221:1032 222:692 223:2207 End of report