IPv4 R&E Routing Table Report 23:05 GMT Sat 03 Feb, 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: 931639 Prefixes after maximum aggregation (per Origin AS): 356077 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456153 Number of IPv4 prefixes with a valid ROA: 440268 Number of IPv4 prefixes with an invalid ROA: 653 Number of IPv4 prefixes with no ROA: 490718 Total ASes present in the Internet Routing Table: 75131 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64669 Origin ASes announcing only one prefix: 26563 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 462 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1070 Number of 32-bit ASNs allocated by the RIRs: 43560 Number of 32-bit ASNs visible in the Routing Table: 35732 Prefixes from 32-bit ASNs in the Routing Table: 179839 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: 496 Number of addresses announced to Internet: 3042757888 Equivalent to 181 /8s, 92 /16s and 205 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309151 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244927 Total APNIC prefixes after maximum aggregation: 71906 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237805 Unique aggregates announced from the APNIC address blocks: 99838 APNIC Region origin ASes present in the Internet Routing Table: 13854 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4190 APNIC Region transit ASes present in the Internet Routing Table: 1846 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9276 Number of APNIC addresses announced to Internet: 773900288 Equivalent to 46 /8s, 32 /16s and 200 /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: 273388 Total ARIN prefixes after maximum aggregation: 123369 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278139 Unique aggregates announced from the ARIN address blocks: 132025 ARIN Region origin ASes present in the Internet Routing Table: 19049 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1857 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: 4837 Number of ARIN addresses announced to Internet: 1269563648 Equivalent to 75 /8s, 172 /16s and 1 /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: 261548 Total RIPE prefixes after maximum aggregation: 125344 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256228 Unique aggregates announced from the RIPE address blocks: 161123 RIPE Region origin ASes present in the Internet Routing Table: 28506 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12094 RIPE Region transit ASes present in the Internet Routing Table: 3896 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11547 Number of RIPE addresses announced to Internet: 714154496 Equivalent to 42 /8s, 145 /16s and 34 /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: 120291 Total LACNIC prefixes after maximum aggregation: 28631 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118930 Unique aggregates announced from the LACNIC address blocks: 49598 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2359 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: 8904 Number of LACNIC addresses announced to Internet: 177826816 Equivalent to 10 /8s, 153 /16s and 108 /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: 30417 Total AfriNIC prefixes after maximum aggregation: 6114 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 40041 Unique aggregates announced from the AfriNIC address blocks: 13159 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1168 Number of AfriNIC addresses announced to Internet: 107023360 Equivalent to 6 /8s, 97 /16s and 12 /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 9818 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3588 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3453 499 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3281 1872 97 VNPT-AS-VN VNPT Corp, VN 24560 2685 858 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 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 9585 11230 3379 AMAZON-02, US 11492 4579 304 657 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3614 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3230 1416 2304 AKAMAI-AS, US 749 3185 54927 2437 DNIC-AS-00749, US 174 3020 6636 662 COGENT-174, US 367 2914 3723 1407 DNIC-ASBLK-00306-00371, US 396982 2752 3639 392 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 7571 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3894 3396 132 AKAMAI-ASN1, NL 9009 3277 285 1587 M247, RO 12389 2887 2301 908 ROSTELECOM-AS, RU 8551 2702 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 596 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1478 97 715 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 12395 3385 619 UNINET, MX 10620 3520 496 895 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1232 340 498 Axtel, S.A.B. de C.V., MX 11664 1127 178 425 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 374 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 24835 1548 545 28 RAYA-AS, EG 24863 1530 389 16 LINKdotNET-AS, EG 36992 1365 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1111 71 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 528 82 3 KENET-AS, KE 15399 525 55 53 WANANCHI-, KE 24757 489 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 12395 3385 619 UNINET, MX 9808 9818 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9585 11230 3379 AMAZON-02, US 12479 7571 1698 148 UNI2-AS, ES 7545 5677 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4579 304 657 CABLEONE, US 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3894 3396 132 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 9818 9767 CHINAMOBILE-CN China Mobile Communications Grou 12479 7571 7423 UNI2-AS, ES 16509 9585 6206 AMAZON-02, US 7545 5677 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4568 4543 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4579 3922 CABLEONE, US 7552 3877 3857 VIETEL-AS-AP Viettel Group, VN 20940 3894 3762 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 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 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 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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 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 /11:98 /12:300 /13:574 /14:1193 /15:2066 /16:13347 /17:8102 /18:13556 /19:24644 /20:43145 /21:51222 /22:109878 /23:98692 /24:564748 /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 6681 7571 UNI2-AS, ES 8151 6362 12395 UNINET, MX 11492 3493 4579 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2659 3614 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2178 2702 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2126 3520 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) ---------------------------------------------- 1:2298 2:1537 3:292 4:5 5:4457 6:163 7:6 8:1493 9:1 11:172 12:1479 13:376 14:2333 15:311 16:203 17:360 18:721 20:352 21:4 22:188 23:6577 24:2706 25:2 27:2547 29:19 31:2562 32:53 34:36 35:121 36:2155 37:4462 38:6678 39:900 40:151 41:4067 42:2207 43:2298 44:326 45:16755 46:4284 47:286 49:1896 50:1890 51:570 52:1593 54:359 55:886 56:5 57:138 58:1957 59:1142 60:1018 61:2601 62:2710 63:1918 64:5517 65:2338 66:4880 67:3054 68:1336 69:4096 70:1197 71:579 72:2930 74:2648 75:1556 76:628 77:2354 78:1838 79:2508 80:2133 81:1883 82:1517 83:1246 84:1624 85:3077 86:770 87:1956 88:1219 89:3944 90:668 91:7928 92:2186 93:2618 94:3603 95:4041 96:1288 97:318 98:1030 99:744 100:95 101:1157 102:3054 103:32309 104:4769 105:595 106:912 107:2757 108:1129 109:4013 110:2140 111:3156 112:2059 113:1726 114:1747 115:1979 116:1943 117:2630 118:2748 119:1938 120:1768 121:1261 122:2631 123:2192 124:1543 125:2805 126:28 128:1455 129:914 130:1075 131:1800 132:821 133:410 134:1704 135:309 136:919 137:1011 138:2768 139:1542 140:1316 141:1340 142:1553 143:1518 144:1010 145:342 146:2000 147:1681 148:2505 149:2504 150:1023 151:1319 152:1969 153:528 154:5627 155:1365 156:2090 157:1473 158:1089 159:2197 160:2604 161:1617 162:3599 163:1683 164:1610 165:2102 166:1060 167:1705 168:3806 169:794 170:4706 171:992 172:3807 173:3000 174:897 175:1215 176:3620 177:4529 178:3513 179:2201 180:2363 181:3671 182:3417 183:2013 184:2278 185:20493 186:4803 187:4338 188:3998 189:4018 190:9342 191:1440 192:10960 193:8969 194:7325 195:5212 196:3142 197:2635 198:5896 199:7093 200:7911 201:6347 202:10121 203:10101 204:4546 205:3686 206:4376 207:3403 208:4099 209:4884 210:4339 211:2503 212:4228 213:3405 214:1110 215:44 216:6807 217:2775 218:1311 219:423 220:1822 221:1019 222:687 223:2196 End of report