IPv4 R&E Routing Table Report 23:05 GMT Mon 25 Dec, 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: 929531 Prefixes after maximum aggregation (per Origin AS): 356043 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455600 Number of IPv4 prefixes with a valid ROA: 434223 Number of IPv4 prefixes with an invalid ROA: 801 Number of IPv4 prefixes with no ROA: 494507 Total ASes present in the Internet Routing Table: 74993 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64614 Origin ASes announcing only one prefix: 26554 Transit ASes present in the Internet Routing Table: 10379 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1015 Number of instances of unregistered ASNs: 1017 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 35530 Prefixes from 32-bit ASNs in the Routing Table: 178094 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: 504 Number of addresses announced to Internet: 3046548224 Equivalent to 181 /8s, 150 /16s and 163 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309662 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244084 Total APNIC prefixes after maximum aggregation: 71424 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237252 Unique aggregates announced from the APNIC address blocks: 99446 APNIC Region origin ASes present in the Internet Routing Table: 13766 APNIC Prefixes per ASN: 17.23 APNIC Region origin ASes announcing only one prefix: 4147 APNIC Region transit ASes present in the Internet Routing Table: 1843 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9170 Number of APNIC addresses announced to Internet: 770510336 Equivalent to 45 /8s, 237 /16s and 14 /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: 272664 Total ARIN prefixes after maximum aggregation: 124270 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277386 Unique aggregates announced from the ARIN address blocks: 132738 ARIN Region origin ASes present in the Internet Routing Table: 19034 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1836 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: 4822 Number of ARIN addresses announced to Internet: 1275399680 Equivalent to 76 /8s, 5 /16s and 14 /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: 261787 Total RIPE prefixes after maximum aggregation: 125027 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256394 Unique aggregates announced from the RIPE address blocks: 160833 RIPE Region origin ASes present in the Internet Routing Table: 28494 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3877 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11484 Number of RIPE addresses announced to Internet: 714331648 Equivalent to 42 /8s, 147 /16s and 214 /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: 119702 Total LACNIC prefixes after maximum aggregation: 28584 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118380 Unique aggregates announced from the LACNIC address blocks: 49390 LACNIC Region origin ASes present in the Internet Routing Table: 11041 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2335 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: 8895 Number of LACNIC addresses announced to Internet: 178280960 Equivalent to 10 /8s, 160 /16s and 90 /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: 30279 Total AfriNIC prefixes after maximum aggregation: 6028 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39615 Unique aggregates announced from the AfriNIC address blocks: 12775 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1159 Number of AfriNIC addresses announced to Internet: 107733504 Equivalent to 6 /8s, 107 /16s and 226 /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 9770 8737 48 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4533 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3650 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3304 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3270 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2658 856 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2231 11258 587 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 200 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 9466 11200 3348 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3468 3033 286 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3194 1417 2327 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2960 3855 1412 DNIC-ASBLK-00306-00371, US 396982 2741 3639 387 GOOGLE-CLOUD-PLATFORM, US 7018 2523 23623 1571 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 7566 1714 146 UNI2-AS, ES 39891 4637 275 58 ALJAWWALSTC-AS, SA 20940 3988 3397 139 AKAMAI-ASN1, NL 9009 3501 301 1635 M247, RO 8551 3359 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2301 912 ROSTELECOM-AS, RU 34984 2332 360 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 583 TCI, IR 44477 1453 95 718 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 12158 3382 599 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2493 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1244 341 502 Axtel, S.A.B. de C.V., MX 11664 1099 177 430 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 117 379 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 24863 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1053 68 50 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 523 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 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 12158 3382 599 UNINET, MX 9808 9770 8737 48 CHINAMOBILE-CN China Mobile Communicati 16509 9466 11200 3348 AMAZON-02, US 12479 7566 1714 146 UNI2-AS, ES 7545 5676 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4637 275 58 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4533 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3988 3397 139 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 9770 9722 CHINAMOBILE-CN China Mobile Communications Grou 12479 7566 7420 UNI2-AS, ES 16509 9466 6118 AMAZON-02, US 7545 5676 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4637 4579 ALJAWWALSTC-AS, SA 18403 4533 4508 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3988 3849 AKAMAI-ASN1, NL 7552 3650 3630 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 8.10.69.0/24 174 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 23.176.160.0/24 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 /11:99 /12:298 /13:577 /14:1191 /15:2058 /16:13389 /17:8156 /18:13638 /19:24750 /20:43123 /21:51165 /22:109892 /23:99168 /24:561952 /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 6654 7566 UNI2-AS, ES 8151 6161 12158 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4637 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2836 3359 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2533 3468 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2283 2:1404 3:283 4:5 5:4386 6:163 7:6 8:1491 9:1 11:172 12:1488 13:375 14:2329 15:309 16:206 17:360 18:710 20:344 21:4 22:188 23:6549 24:2595 25:2 27:2554 29:19 31:2542 32:53 34:36 35:116 36:2102 37:4477 38:5769 39:882 40:147 41:4097 42:2188 43:2299 44:325 45:16592 46:4368 47:286 49:1896 50:1884 51:571 52:1595 54:377 55:885 56:5 57:127 58:1857 59:1112 60:1012 61:2497 62:2743 63:1907 64:5500 65:2343 66:4964 67:3043 68:1329 69:4053 70:1160 71:609 72:2915 74:2624 75:1548 76:625 77:2337 78:1822 79:3014 80:2111 81:1860 82:1525 83:1321 84:1604 85:2970 86:787 87:1968 88:1228 89:3950 90:658 91:7906 92:2174 93:2628 94:3583 95:3994 96:1298 97:316 98:1015 99:737 100:94 101:1152 102:3010 103:32335 104:4792 105:600 106:974 107:2763 108:1143 109:4156 110:2126 111:3154 112:2069 113:1713 114:1743 115:2006 116:1933 117:2564 118:2762 119:1941 120:1755 121:1241 122:2628 123:2172 124:1578 125:2766 128:1423 129:900 130:1065 131:1957 132:823 133:411 134:1701 135:295 136:911 137:1033 138:2717 139:1546 140:1338 141:1347 142:1534 143:1524 144:999 145:338 146:2018 147:1635 148:2485 149:2385 150:1013 151:1311 152:1840 153:528 154:5398 155:1369 156:2092 157:1370 158:1080 159:2199 160:2619 161:1612 162:3598 163:1629 164:1612 165:1853 166:1069 167:1736 168:3803 169:787 170:4681 171:975 172:3767 173:3013 174:891 175:1216 176:3579 177:4627 178:3522 179:2196 180:2349 181:3611 182:3407 183:2028 184:2269 185:20467 186:4814 187:4296 188:3927 189:3955 190:9353 191:1485 192:10996 193:8981 194:7338 195:5215 196:3130 197:2618 198:5900 199:6827 200:8009 201:6250 202:10189 203:10035 204:4570 205:3652 206:4384 207:3382 208:4076 209:4910 210:4319 211:2493 212:4210 213:3375 214:1117 215:50 216:6767 217:2767 218:1289 219:415 220:1797 221:1019 222:686 223:2193 End of report