IPv4 R&E Routing Table Report 23:05 GMT Sun 08 Oct, 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: 498022 Prefixes after maximum aggregation (per Origin AS): 204746 Deaggregation factor: 2.43 Unique aggregates announced (without unneeded subnets): 274213 Number of IPv4 prefixes with a valid ROA: 246670 Number of IPv4 prefixes with an invalid ROA: 1221 Number of IPv4 prefixes with no ROA: 250131 Total ASes present in the Internet Routing Table: 41307 Prefixes per ASN: 12.06 Origin-only ASes present in the Internet Routing Table: 34266 Origin ASes announcing only one prefix: 14788 Transit ASes present in the Internet Routing Table: 7041 Transit-only ASes present in the Internet Routing Table: 2048 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 32 Max AS path prepend of ASN ( 49463) 25 Prefixes from unregistered ASNs in the Routing Table: 443 Number of instances of unregistered ASNs: 445 Number of 32-bit ASNs allocated by the RIRs: 42802 Number of 32-bit ASNs visible in the Routing Table: 19791 Prefixes from 32-bit ASNs in the Routing Table: 92027 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 229 Number of addresses announced to Internet: 1600378880 Equivalent to 95 /8s, 99 /16s and 216 /24s Percentage of available address space announced: 43.2 Percentage of allocated address space announced: 43.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 151683 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 176693 Total APNIC prefixes after maximum aggregation: 53506 APNIC Deaggregation factor: 3.30 Prefixes being announced from the APNIC address blocks: 171538 Unique aggregates announced from the APNIC address blocks: 78921 APNIC Region origin ASes present in the Internet Routing Table: 10613 APNIC Prefixes per ASN: 16.16 APNIC Region origin ASes announcing only one prefix: 3494 APNIC Region transit ASes present in the Internet Routing Table: 1549 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7161 Number of APNIC addresses announced to Internet: 470215424 Equivalent to 28 /8s, 6 /16s and 235 /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: 146366 Total ARIN prefixes after maximum aggregation: 71482 ARIN Deaggregation factor: 2.05 Prefixes being announced from the ARIN address blocks: 149640 Unique aggregates announced from the ARIN address blocks: 83098 ARIN Region origin ASes present in the Internet Routing Table: 10160 ARIN Prefixes per ASN: 14.73 ARIN Region origin ASes announcing only one prefix: 4137 ARIN Region transit ASes present in the Internet Routing Table: 1214 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2462 Number of ARIN addresses announced to Internet: 574393344 Equivalent to 34 /8s, 60 /16s and 140 /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: 121419 Total RIPE prefixes after maximum aggregation: 60577 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 119974 Unique aggregates announced from the RIPE address blocks: 81463 RIPE Region origin ASes present in the Internet Routing Table: 11917 RIPE Prefixes per ASN: 10.07 RIPE Region origin ASes announcing only one prefix: 4948 RIPE Region transit ASes present in the Internet Routing Table: 2380 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4761 Number of RIPE addresses announced to Internet: 402928384 Equivalent to 24 /8s, 4 /16s and 51 /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: 37373 Total LACNIC prefixes after maximum aggregation: 14458 LACNIC Deaggregation factor: 2.58 Prefixes being announced from the LACNIC address blocks: 36370 Unique aggregates announced from the LACNIC address blocks: 21275 LACNIC Region origin ASes present in the Internet Routing Table: 5526 LACNIC Prefixes per ASN: 6.58 LACNIC Region origin ASes announcing only one prefix: 1881 LACNIC Region transit ASes present in the Internet Routing Table: 1454 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4955 Number of LACNIC addresses announced to Internet: 74368256 Equivalent to 4 /8s, 110 /16s and 197 /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: 15728 Total AfriNIC prefixes after maximum aggregation: 4397 AfriNIC Deaggregation factor: 3.58 Prefixes being announced from the AfriNIC address blocks: 20271 Unique aggregates announced from the AfriNIC address blocks: 9252 AfriNIC Region origin ASes present in the Internet Routing Table: 860 AfriNIC Prefixes per ASN: 23.57 AfriNIC Region origin ASes announcing only one prefix: 328 AfriNIC Region transit ASes present in the Internet Routing Table: 216 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 452 Number of AfriNIC addresses announced to Internet: 78276352 Equivalent to 4 /8s, 170 /16s and 103 /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 9330 8728 40 CHINAMOBILE-CN China Mobile Communicati 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3343 1077 21 VIETEL-AS-AP Viettel Group, VN 45899 3188 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3036 485 195 BBIL-AP BHARTI Airtel Ltd., IN 24560 2529 850 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 7545 2096 736 499 TPG-INTERNET-AP TPG Telecom Limited, AU 23969 1914 314 16 TOT-NET TOT Public Company Limited, TH 45609 1862 908 356 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd 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 6845 10528 2504 AMAZON-02, US 7155 3957 270 39 VIASAT-SP-BACKBONE, US 11492 3407 227 922 CABLEONE, US 6327 2987 1047 24 SHAW, CA 396982 2700 3597 396 GOOGLE-CLOUD-PLATFORM, US 7018 2477 23616 1546 ATT-INTERNET4, US 174 2198 6634 627 COGENT-174, US 20115 1907 2616 682 CHARTER-20115, US 18566 1846 372 318 MEGAPATH5-, US 11776 1826 254 222 ATLANTICBB-JOHNSTOWN, 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 39891 4625 273 57 ALJAWWALSTC-AS, SA 12479 4240 1553 538 UNI2-AS, ES 20940 2623 3389 62 AKAMAI-ASN1, NL 8551 2116 340 22 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 1259 117 889 M247, RO 13188 1174 74 351 TRIOLAN, UA 3257 895 1648 699 GTT-BACKBONE GTT, US 25019 887 1049 150 SAUDINETSTC-AS, SA 3215 876 4896 279 France Telecom - Orange, FR 61317 725 50 592 ASDETUK www.heficed.com, US 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 3562 1182 378 UNINET, MX 28573 1276 2221 333 Claro NXT Telecomunicacoes Ltda, BR 6503 811 287 441 Axtel, S.A.B. de C.V., MX 11172 575 100 108 Alestra, S. de R.L. de C.V., MX 11830 555 72 280 Instituto Costarricense de Electricidad 10620 528 80 441 Telmex Colombia S.A., CO 7738 457 1795 74 V tal, BR 11664 433 60 215 Techtel LMDS Comunicaciones Interactiva 13999 407 68 175 Mega Cable, S.A. de C.V., MX 6147 327 268 70 Telefonica del Peru S.A.A., PE 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 1255 310 263 LINKdotNET-AS, EG 29571 974 63 82 ORANGE-COTE-IVOIRE, CI 24835 938 434 106 RAYA-AS, EG 36992 859 1432 247 ETISALAT-MISR, EG 36935 735 521 43 Vodafone-, EG 36903 627 315 356 MT-MPLS, MA 15399 504 49 30 WANANCHI-, KE 2018 370 283 69 TENET-1, ZA 30998 220 11 4 NAL-AS, NG 36974 216 210 174 AFNET-AS, CI 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 9808 9330 8728 40 CHINAMOBILE-CN China Mobile Communicati 16509 6845 10528 2504 AMAZON-02, US 39891 4625 273 57 ALJAWWALSTC-AS, SA 12479 4240 1553 538 UNI2-AS, ES 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 3957 270 39 VIASAT-SP-BACKBONE, US 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 8151 3562 1182 378 UNINET, MX 11492 3407 227 922 CABLEONE, US 7552 3343 1077 21 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 39891 4625 4568 ALJAWWALSTC-AS, SA 16509 6845 4341 AMAZON-02, US 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 3957 3918 VIASAT-SP-BACKBONE, US 12479 4240 3702 UNI2-AS, ES 7713 3592 3529 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 7552 3343 3322 VIETEL-AS-AP Viettel Group, VN 8151 3562 3184 UNINET, MX 45899 3188 3092 VNPT-AS-VN VNPT Corp, VN 6327 2987 2963 SHAW, CA 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 41.57.203.0/24 Origin: 206283 YAHSAT-FRANKFURT, AE 41.57.203.0/24 Transit: 3491 BTN-ASN, US 41.57.204.0/24 Origin: 206283 YAHSAT-FRANKFURT, AE 41.57.204.0/24 Transit: 3491 BTN-ASN, 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 /8:5 /9:6 /10:20 /11:51 /12:170 /13:319 /14:667 /15:1220 /16:6284 /17:4539 /18:8190 /19:13777 /20:26358 /21:28200 /22:59151 /23:52199 /24:296866 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 3919 4240 UNI2-AS, ES 39891 3616 4625 ALJAWWALSTC-AS, SA 7155 3041 3957 VIASAT-SP-BACKBONE, US 11492 2921 3407 CABLEONE, US 6327 2894 2987 SHAW, CA 8151 1856 3562 UNINET, MX 18566 1760 1846 MEGAPATH5-, US 8551 1641 2116 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 1411 1608 MEDIACOM-ENTERPRISE-BUSINESS, US 5650 1277 1819 FRONTIER-FRTR, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2120 2:1077 3:215 4:5 5:3384 6:100 7:1 8:1113 9:1 11:1 12:1239 13:327 14:1795 15:274 16:179 17:346 18:518 20:180 23:4917 24:2120 25:2 27:1948 31:1861 32:53 34:24 35:106 36:1896 37:3497 38:4030 39:850 40:91 41:2819 42:1764 43:1860 44:210 45:11650 46:2738 47:307 49:1671 50:1461 51:413 52:1448 54:380 55:896 56:1 57:80 58:1473 59:892 60:562 61:2023 62:1822 63:1280 64:3794 65:1603 66:3252 67:2133 68:890 69:2637 70:780 71:406 72:2126 74:1674 75:1384 76:434 77:1331 78:1051 79:1974 80:1087 81:829 82:818 83:537 84:607 85:1326 86:314 87:1136 88:473 89:1746 90:385 91:2607 92:938 93:1351 94:1267 95:2436 96:959 97:193 98:513 99:683 100:48 101:1051 102:941 103:23657 104:2602 105:250 106:644 107:1747 108:587 109:1675 110:1589 111:2601 112:1521 113:1301 114:937 115:1249 116:1408 117:2014 118:2203 119:1399 120:1472 121:624 122:2223 123:1481 124:956 125:2200 128:576 129:394 130:330 131:377 132:276 133:29 134:1046 135:77 136:451 137:368 138:826 139:509 140:538 141:688 142:719 143:492 144:355 145:155 146:909 147:591 148:917 149:1142 150:428 151:615 152:821 153:82 154:2756 155:526 156:1116 157:603 158:373 159:1100 160:1274 161:621 162:1692 163:665 164:677 165:632 166:385 167:703 168:1543 169:218 170:1712 171:717 172:2106 173:1490 174:337 175:788 176:1285 177:1172 178:1630 179:529 180:1500 181:1001 182:2803 183:1612 184:1499 185:7053 186:1130 187:1076 188:1436 189:1068 190:2575 191:521 192:3909 193:3147 194:2454 195:1670 196:1302 197:1116 198:2457 199:2117 200:1877 201:1734 202:7238 203:6636 204:1657 205:1238 206:1871 207:1298 208:1497 209:1897 210:2553 211:1083 212:1415 213:1090 214:108 215:11 216:2816 217:957 218:757 219:197 220:687 221:580 222:450 223:1338 End of report