IPv4 R&E Routing Table Report 23:05 GMT Thu 28 Mar, 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: 935843 Prefixes after maximum aggregation (per Origin AS): 358026 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458499 Number of IPv4 prefixes with a valid ROA: 456926 Number of IPv4 prefixes with an invalid ROA: 1024 Number of IPv4 prefixes with no ROA: 477893 Total ASes present in the Internet Routing Table: 75377 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64732 Origin ASes announcing only one prefix: 26554 Transit ASes present in the Internet Routing Table: 10645 Transit-only ASes present in the Internet Routing Table: 491 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1067 Number of instances of unregistered ASNs: 1069 Number of 32-bit ASNs allocated by the RIRs: 43946 Number of 32-bit ASNs visible in the Routing Table: 36038 Prefixes from 32-bit ASNs in the Routing Table: 182972 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: 588 Number of addresses announced to Internet: 3027764224 Equivalent to 180 /8s, 120 /16s and 4 /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: 309131 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246594 Total APNIC prefixes after maximum aggregation: 72403 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239299 Unique aggregates announced from the APNIC address blocks: 99960 APNIC Region origin ASes present in the Internet Routing Table: 13962 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4231 APNIC Region transit ASes present in the Internet Routing Table: 1856 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9399 Number of APNIC addresses announced to Internet: 760100864 Equivalent to 45 /8s, 78 /16s and 56 /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: 273220 Total ARIN prefixes after maximum aggregation: 123693 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277896 Unique aggregates announced from the ARIN address blocks: 132561 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1914 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: 4859 Number of ARIN addresses announced to Internet: 1269702656 Equivalent to 75 /8s, 174 /16s and 32 /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: 263273 Total RIPE prefixes after maximum aggregation: 126355 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258116 Unique aggregates announced from the RIPE address blocks: 162874 RIPE Region origin ASes present in the Internet Routing Table: 28569 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3970 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11678 Number of RIPE addresses announced to Internet: 714700288 Equivalent to 42 /8s, 153 /16s and 118 /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: 121157 Total LACNIC prefixes after maximum aggregation: 28736 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119486 Unique aggregates announced from the LACNIC address blocks: 49577 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2596 LACNIC Region transit ASes present in the Internet Routing Table: 2386 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: 8917 Number of LACNIC addresses announced to Internet: 177177600 Equivalent to 10 /8s, 143 /16s and 132 /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: 30532 Total AfriNIC prefixes after maximum aggregation: 6135 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 40458 Unique aggregates announced from the AfriNIC address blocks: 13055 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.25 AfriNIC Region origin ASes announcing only one prefix: 654 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: 1185 Number of AfriNIC addresses announced to Internet: 105771008 Equivalent to 6 /8s, 77 /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 9827 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5662 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4611 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3857 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2766 863 367 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2196 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 9755 11357 3398 AMAZON-02, US 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3604 1320 75 SHAW, CA 22773 3530 3046 239 ASN-CXA-ALL-CCI-22773-RDC, US 174 3375 6650 689 COGENT-174, US 749 3189 54916 2441 DNIC-AS-00749, US 16625 3136 1345 2240 AKAMAI-AS, US 367 2888 3596 1368 DNIC-ASBLK-00306-00371, US 396982 2764 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 7675 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3848 3395 126 AKAMAI-ASN1, NL 9009 3260 283 1598 M247, RO 12389 2913 2304 906 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1527 1852 14 TE-AS TE-AS, EG 44477 1499 98 711 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 12348 3315 493 UNINET, MX 10620 3527 497 888 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 1071 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 1507 509 27 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 812 520 43 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 531 55 54 WANANCHI-, KE 36914 487 82 3 KENET-AS, KE 24757 428 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 12348 3315 493 UNINET, MX 9808 9827 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9755 11357 3398 AMAZON-02, US 12479 7675 1709 144 UNI2-AS, ES 7545 5662 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4611 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3857 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 9827 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7675 7531 UNI2-AS, ES 16509 9755 6357 AMAZON-02, US 7545 5662 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4611 4586 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4596 3977 CABLEONE, US 7552 3857 3837 VIETEL-AS-AP Viettel Group, VN 20940 3848 3722 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: 6939 HURRICANE, US 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 6939 HURRICANE, 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 /11:95 /12:297 /13:579 /14:1194 /15:2068 /16:13249 /17:8133 /18:13564 /19:24504 /20:43041 /21:50887 /22:110017 /23:98170 /24:569971 /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 6792 7675 UNI2-AS, ES 8151 6361 12348 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 2619 3530 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2133 3527 Telmex Colombia S.A., CO 8551 2127 2651 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) ---------------------------------------------- 1:2278 2:1484 3:320 4:6 5:4522 6:162 7:6 8:1499 9:1 11:172 12:1467 13:374 14:2336 15:318 16:210 17:367 18:756 20:356 21:4 22:188 23:6632 24:2709 25:2 27:2560 29:19 31:2651 32:46 34:62 35:123 36:2241 37:4482 38:7164 39:894 40:125 41:4058 42:2226 43:2310 44:315 45:16892 46:4396 47:299 49:1894 50:1888 51:573 52:1582 54:306 55:873 56:5 57:164 58:1978 59:1188 60:1027 61:2613 62:2688 63:1901 64:5529 65:2308 66:4680 67:3055 68:1334 69:4080 70:1194 71:575 72:2899 74:2572 75:1550 76:627 77:2427 78:1843 79:2480 80:2170 81:1929 82:1546 83:1293 84:1640 85:3084 86:829 87:2021 88:1234 89:4053 90:679 91:8054 92:2198 93:2646 94:3663 95:4155 96:1305 97:312 98:1039 99:742 100:92 101:1168 102:3080 103:32402 104:4783 105:630 106:930 107:2735 108:1113 109:4054 110:2136 111:3208 112:2063 113:1768 114:1772 115:2009 116:1868 117:2623 118:2837 119:1958 120:1782 121:1267 122:2660 123:2195 124:1569 125:2841 126:32 128:1429 129:926 130:1090 131:1854 132:794 133:410 134:1720 135:317 136:943 137:1033 138:2806 139:1537 140:1387 141:1363 142:1598 143:1493 144:1007 145:345 146:2025 147:1729 148:2456 149:2571 150:1032 151:1332 152:1969 153:523 154:6161 155:1378 156:2219 157:1652 158:1075 159:2269 160:2595 161:1636 162:3594 163:1707 164:1634 165:2122 166:1063 167:1763 168:3898 169:789 170:4715 171:999 172:3814 173:3040 174:903 175:1202 176:3669 177:4717 178:3583 179:2252 180:2368 181:3669 182:3377 183:2040 184:2265 185:20623 186:4932 187:4479 188:4033 189:4078 190:9296 191:1508 192:10973 193:9042 194:7432 195:5247 196:3144 197:2381 198:5892 199:7549 200:7963 201:6283 202:10145 203:10151 204:4544 205:3712 206:4445 207:3368 208:4120 209:4998 210:4384 211:2485 212:4278 213:3384 214:1091 215:50 216:6765 217:2809 218:1312 219:406 220:1818 221:1032 222:693 223:2237 End of report