IPv4 R&E Routing Table Report 23:05 GMT Mon 18 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: 934964 Prefixes after maximum aggregation (per Origin AS): 357646 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458349 Number of IPv4 prefixes with a valid ROA: 453660 Number of IPv4 prefixes with an invalid ROA: 1032 Number of IPv4 prefixes with no ROA: 480272 Total ASes present in the Internet Routing Table: 75310 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64802 Origin ASes announcing only one prefix: 26571 Transit ASes present in the Internet Routing Table: 10508 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN (2458272) 56 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1116 Number of 32-bit ASNs allocated by the RIRs: 43852 Number of 32-bit ASNs visible in the Routing Table: 35974 Prefixes from 32-bit ASNs in the Routing Table: 181783 Number of bogon 32-bit ASNs visible in the Routing Table: 121 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 581 Number of addresses announced to Internet: 3026465536 Equivalent to 180 /8s, 100 /16s and 51 /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: 308610 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246167 Total APNIC prefixes after maximum aggregation: 72162 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238967 Unique aggregates announced from the APNIC address blocks: 99828 APNIC Region origin ASes present in the Internet Routing Table: 13952 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4221 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: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9389 Number of APNIC addresses announced to Internet: 760190464 Equivalent to 45 /8s, 79 /16s and 150 /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: 273516 Total ARIN prefixes after maximum aggregation: 123742 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278150 Unique aggregates announced from the ARIN address blocks: 132771 ARIN Region origin ASes present in the Internet Routing Table: 19069 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4857 Number of ARIN addresses announced to Internet: 1269382144 Equivalent to 75 /8s, 169 /16s and 60 /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: 263125 Total RIPE prefixes after maximum aggregation: 126188 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257818 Unique aggregates announced from the RIPE address blocks: 162557 RIPE Region origin ASes present in the Internet Routing Table: 28568 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12133 RIPE Region transit ASes present in the Internet Routing Table: 3907 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11654 Number of RIPE addresses announced to Internet: 714511360 Equivalent to 42 /8s, 150 /16s and 148 /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: 120841 Total LACNIC prefixes after maximum aggregation: 28763 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119250 Unique aggregates announced from the LACNIC address blocks: 49574 LACNIC Region origin ASes present in the Internet Routing Table: 11053 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2617 LACNIC Region transit ASes present in the Internet Routing Table: 2352 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8913 Number of LACNIC addresses announced to Internet: 177167616 Equivalent to 10 /8s, 143 /16s and 93 /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: 30256 Total AfriNIC prefixes after maximum aggregation: 6089 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 40198 Unique aggregates announced from the AfriNIC address blocks: 13155 AfriNIC Region origin ASes present in the Internet Routing Table: 1789 AfriNIC Prefixes per ASN: 22.47 AfriNIC Region origin ASes announcing only one prefix: 643 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1161 Number of AfriNIC addresses announced to Internet: 104920576 Equivalent to 6 /8s, 64 /16s and 246 /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 9821 8738 51 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4579 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3512 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3291 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2762 863 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2192 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 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 9715 11347 3387 AMAZON-02, US 11492 4589 304 632 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3599 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3598 1320 75 SHAW, CA 174 3416 6620 671 COGENT-174, US 749 3193 54919 2445 DNIC-AS-00749, US 16625 3145 1353 2245 AKAMAI-AS, US 367 2932 3633 1403 DNIC-ASBLK-00306-00371, US 396982 2757 3640 406 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 7687 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3846 3395 125 AKAMAI-ASN1, NL 9009 3261 283 1587 M247, RO 12389 2899 2304 906 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2347 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1521 1852 14 TE-AS TE-AS, EG 44477 1498 98 710 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 12361 3321 495 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2507 340 653 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1067 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 1546 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1369 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1191 75 61 ORANGE-COTE-IVOIRE, CI 36935 934 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 522 55 53 WANANCHI-, KE 36914 492 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 12361 3321 495 UNINET, MX 9808 9821 8738 51 CHINAMOBILE-CN China Mobile Communicati 16509 9715 11347 3387 AMAZON-02, US 12479 7687 1714 147 UNI2-AS, ES 7545 5655 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4589 304 632 CABLEONE, US 18403 4579 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3859 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 9821 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7687 7540 UNI2-AS, ES 16509 9715 6328 AMAZON-02, US 7545 5655 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4579 4554 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4589 3957 CABLEONE, US 7552 3859 3839 VIETEL-AS-AP Viettel Group, VN 20940 3846 3721 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 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 395195 UNALLOCATED 8.38.115.0/24 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 27.0.192.0/22 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/22 Transit: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 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 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 /13:576 /14:1188 /15:2063 /16:13229 /17:8115 /18:13562 /19:24494 /20:43050 /21:50774 /22:109943 /23:98111 /24:569393 /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 6799 7687 UNI2-AS, ES 8151 6371 12361 UNINET, MX 11492 3502 4589 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3396 3598 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2646 3599 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2129 2653 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) ---------------------------------------------- 1:2268 2:1567 3:315 4:6 5:4509 6:162 7:6 8:1502 9:1 11:172 12:1466 13:382 14:2364 15:316 16:210 17:368 18:747 20:355 21:4 22:188 23:6610 24:2711 25:2 27:2603 29:19 31:2625 32:46 34:61 35:123 36:2205 37:4483 38:7428 39:894 40:125 41:4014 42:2194 43:2312 44:314 45:16878 46:4365 47:298 49:1900 50:1900 51:572 52:1586 54:310 55:971 56:5 57:152 58:1971 59:1123 60:1026 61:2606 62:2675 63:1907 64:5518 65:2318 66:4670 67:3056 68:1330 69:4074 70:1196 71:572 72:2893 74:2578 75:1550 76:632 77:2415 78:1826 79:2479 80:2155 81:1931 82:1510 83:1279 84:1641 85:3087 86:825 87:2003 88:1231 89:4020 90:682 91:8010 92:2187 93:2636 94:3642 95:4143 96:1299 97:312 98:1047 99:741 100:92 101:1166 102:3094 103:32453 104:4766 105:577 106:928 107:2759 108:1128 109:4059 110:2141 111:3204 112:2061 113:1765 114:1768 115:2008 116:1872 117:2614 118:2841 119:1958 120:1785 121:1270 122:2683 123:2194 124:1537 125:2832 126:28 128:1445 129:923 130:1080 131:1807 132:808 133:410 134:1717 135:312 136:942 137:1030 138:2810 139:1548 140:1373 141:1362 142:1576 143:1491 144:1019 145:344 146:2013 147:1717 148:2494 149:2564 150:1033 151:1333 152:1966 153:523 154:5915 155:1374 156:2220 157:1602 158:1101 159:2254 160:2593 161:1636 162:3589 163:1702 164:1623 165:2105 166:1063 167:1760 168:3917 169:781 170:4709 171:995 172:3814 173:3032 174:905 175:1215 176:3634 177:4496 178:3581 179:2234 180:2365 181:3669 182:3363 183:2034 184:2263 185:20618 186:4912 187:4419 188:4041 189:4051 190:9315 191:1468 192:10972 193:9031 194:7438 195:5240 196:3163 197:2589 198:5897 199:7503 200:7987 201:6326 202:10158 203:10121 204:4549 205:3710 206:4438 207:3421 208:4122 209:5000 210:4389 211:2473 212:4285 213:3403 214:1097 215:49 216:6753 217:2805 218:1312 219:406 220:1826 221:1029 222:694 223:2206 End of report