IPv4 R&E Routing Table Report 23:05 GMT Wed 01 Nov, 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: 925389 Prefixes after maximum aggregation (per Origin AS): 354051 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 453822 Number of IPv4 prefixes with a valid ROA: 426051 Number of IPv4 prefixes with an invalid ROA: 1359 Number of IPv4 prefixes with no ROA: 497979 Total ASes present in the Internet Routing Table: 74779 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64295 Origin ASes announcing only one prefix: 26461 Transit ASes present in the Internet Routing Table: 10484 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1030 Number of instances of unregistered ASNs: 1032 Number of 32-bit ASNs allocated by the RIRs: 42972 Number of 32-bit ASNs visible in the Routing Table: 35236 Prefixes from 32-bit ASNs in the Routing Table: 175928 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3049650944 Equivalent to 181 /8s, 197 /16s and 251 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309019 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242045 Total APNIC prefixes after maximum aggregation: 70697 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 235545 Unique aggregates announced from the APNIC address blocks: 98727 APNIC Region origin ASes present in the Internet Routing Table: 13615 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4083 APNIC Region transit ASes present in the Internet Routing Table: 1822 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: 9012 Number of APNIC addresses announced to Internet: 771595008 Equivalent to 45 /8s, 253 /16s and 155 /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: 272281 Total ARIN prefixes after maximum aggregation: 123906 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276331 Unique aggregates announced from the ARIN address blocks: 132243 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 14.51 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1886 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1276496640 Equivalent to 76 /8s, 21 /16s and 203 /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: 261204 Total RIPE prefixes after maximum aggregation: 124337 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256059 Unique aggregates announced from the RIPE address blocks: 160472 RIPE Region origin ASes present in the Internet Routing Table: 28447 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12099 RIPE Region transit ASes present in the Internet Routing Table: 3926 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11398 Number of RIPE addresses announced to Internet: 715282432 Equivalent to 42 /8s, 162 /16s and 88 /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: 118752 Total LACNIC prefixes after maximum aggregation: 28405 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117677 Unique aggregates announced from the LACNIC address blocks: 49314 LACNIC Region origin ASes present in the Internet Routing Table: 11027 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2334 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8862 Number of LACNIC addresses announced to Internet: 178351360 Equivalent to 10 /8s, 161 /16s and 109 /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: 30077 Total AfriNIC prefixes after maximum aggregation: 6004 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39276 Unique aggregates announced from the AfriNIC address blocks: 12645 AfriNIC Region origin ASes present in the Internet Routing Table: 1802 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107506688 Equivalent to 6 /8s, 104 /16s and 108 /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 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4262 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3612 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3319 1872 98 VNPT-AS-VN VNPT Corp, VN 9498 3232 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2562 849 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2193 442 203 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 9105 11006 3330 AMAZON-02, US 11492 4538 301 671 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3513 3039 297 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54942 2412 DNIC-AS-00749, US 16625 3066 1403 2317 AKAMAI-AS, US 367 3055 3866 1432 DNIC-ASBLK-00306-00371, US 396982 2708 3598 399 GOOGLE-CLOUD-PLATFORM, US 7018 2513 23614 1595 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 7410 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4029 3397 141 AKAMAI-ASN1, NL 8551 3444 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3419 296 1594 M247, RO 12389 2893 2295 912 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1663 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1502 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 11943 3373 612 UNINET, MX 10620 3542 504 858 Telmex Colombia S.A., CO 13999 2414 330 631 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1294 769 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1060 168 432 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 24863 1604 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 53 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 531 55 51 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 479 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 11943 3373 612 UNINET, MX 9808 9524 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9105 11006 3330 AMAZON-02, US 12479 7410 1713 145 UNI2-AS, ES 7545 5713 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4538 301 671 CABLEONE, US 18403 4262 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4029 3397 141 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 9524 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7410 7265 UNI2-AS, ES 16509 9105 5775 AMAZON-02, US 7545 5713 5020 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4262 4237 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 20940 4029 3888 AKAMAI-ASN1, NL 11492 4538 3867 CABLEONE, US 7552 3612 3592 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 11168 SCC, 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 6461 ZAYO-6461, 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 /11:100 /12:299 /13:578 /14:1193 /15:2056 /16:13416 /17:8213 /18:13652 /19:24762 /20:43143 /21:51067 /22:109722 /23:98563 /24:558548 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6499 7410 UNI2-AS, ES 8151 5968 11943 UNINET, MX 11492 3451 4538 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2921 3444 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2569 3513 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2147 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2116 3542 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) ---------------------------------------------- 1:2222 2:1430 3:271 4:5 5:4386 6:159 7:6 8:1500 9:1 11:172 12:1494 13:356 14:2312 15:303 16:202 17:365 18:664 20:314 21:4 22:188 23:6481 24:2535 25:2 27:2584 29:19 31:2545 32:68 34:29 35:115 36:2023 37:4466 38:5461 39:865 40:149 41:3969 42:2068 43:2260 44:323 45:16694 46:4340 47:372 49:1861 50:1870 51:573 52:1585 54:392 55:881 56:5 57:125 58:1815 59:1112 60:1011 61:2556 62:2652 63:1900 64:5507 65:2343 66:4958 67:3049 68:1340 69:4127 70:1184 71:624 72:2939 74:2625 75:1568 76:637 77:2328 78:1826 79:3003 80:2105 81:1833 82:1524 83:1307 84:1600 85:2979 86:767 87:1941 88:1227 89:3947 90:625 91:7852 92:2124 93:2626 94:3559 95:3992 96:1303 97:315 98:1082 99:733 100:91 101:1380 102:2921 103:32087 104:4778 105:575 106:980 107:2793 108:1136 109:4236 110:2132 111:3133 112:2058 113:1737 114:1693 115:1989 116:1915 117:2560 118:2703 119:1949 120:1749 121:1183 122:2611 123:2174 124:1576 125:2597 128:1394 129:906 130:1046 131:1968 132:807 133:408 134:1690 135:299 136:908 137:976 138:2692 139:1568 140:1322 141:1325 142:1534 143:1519 144:997 145:342 146:1956 147:1618 148:2462 149:2363 150:877 151:1240 152:1836 153:533 154:5291 155:1400 156:2039 157:1356 158:1060 159:2187 160:2617 161:1595 162:3511 163:1602 164:1664 165:1849 166:1062 167:1749 168:3837 169:786 170:4612 171:955 172:3865 173:2992 174:976 175:1189 176:3603 177:4500 178:3531 179:2148 180:2284 181:3581 182:3367 183:1988 184:2268 185:20611 186:4710 187:4189 188:4052 189:3914 190:9315 191:1394 192:10955 193:8950 194:7301 195:5211 196:3124 197:2556 198:5928 199:6414 200:7964 201:6188 202:10207 203:10017 204:4523 205:3677 206:4345 207:3401 208:4099 209:4881 210:4213 211:2447 212:4255 213:3392 214:1117 215:71 216:6700 217:2765 218:1277 219:408 220:1801 221:996 222:679 223:2156 End of report