IPv4 R&E Routing Table Report 23:05 GMT Wed 06 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: 927599 Prefixes after maximum aggregation (per Origin AS): 355336 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455176 Number of IPv4 prefixes with a valid ROA: 431304 Number of IPv4 prefixes with an invalid ROA: 718 Number of IPv4 prefixes with no ROA: 495577 Total ASes present in the Internet Routing Table: 74874 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64424 Origin ASes announcing only one prefix: 26500 Transit ASes present in the Internet Routing Table: 10450 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1002 Number of instances of unregistered ASNs: 1004 Number of 32-bit ASNs allocated by the RIRs: 43163 Number of 32-bit ASNs visible in the Routing Table: 35386 Prefixes from 32-bit ASNs in the Routing Table: 177300 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: 519 Number of addresses announced to Internet: 3047381760 Equivalent to 181 /8s, 163 /16s and 91 /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: 308843 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243472 Total APNIC prefixes after maximum aggregation: 71143 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236676 Unique aggregates announced from the APNIC address blocks: 99312 APNIC Region origin ASes present in the Internet Routing Table: 13699 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4124 APNIC Region transit ASes present in the Internet Routing Table: 1841 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9088 Number of APNIC addresses announced to Internet: 770732800 Equivalent to 45 /8s, 240 /16s and 115 /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: 272135 Total ARIN prefixes after maximum aggregation: 124153 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276764 Unique aggregates announced from the ARIN address blocks: 132542 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1858 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: 4813 Number of ARIN addresses announced to Internet: 1276006912 Equivalent to 76 /8s, 14 /16s and 82 /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: 260936 Total RIPE prefixes after maximum aggregation: 124768 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 255544 Unique aggregates announced from the RIPE address blocks: 160646 RIPE Region origin ASes present in the Internet Routing Table: 28467 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12103 RIPE Region transit ASes present in the Internet Routing Table: 3894 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: 11449 Number of RIPE addresses announced to Internet: 714340096 Equivalent to 42 /8s, 147 /16s and 247 /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: 119681 Total LACNIC prefixes after maximum aggregation: 28578 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118421 Unique aggregates announced from the LACNIC address blocks: 49441 LACNIC Region origin ASes present in the Internet Routing Table: 11045 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2349 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8890 Number of LACNIC addresses announced to Internet: 178359296 Equivalent to 10 /8s, 161 /16s and 140 /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: 30373 Total AfriNIC prefixes after maximum aggregation: 6018 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39675 Unique aggregates announced from the AfriNIC address blocks: 12812 AfriNIC Region origin ASes present in the Internet Routing Table: 1802 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146 Number of AfriNIC addresses announced to Internet: 107579904 Equivalent to 6 /8s, 105 /16s and 138 /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 9740 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3643 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3596 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3260 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3249 494 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2639 854 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 KIXS-AS-KR Korea Telecom, KR 4755 2190 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 9376 11176 3363 AMAZON-02, US 11492 4560 302 680 CABLEONE, US 7155 4165 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3495 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3148 1397 2307 AKAMAI-AS, US 367 2998 3843 1427 DNIC-ASBLK-00306-00371, US 396982 2724 3631 375 GOOGLE-CLOUD-PLATFORM, US 7018 2552 23610 1593 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 7522 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 3999 3397 140 AKAMAI-ASN1, NL 9009 3486 300 1632 M247, RO 12389 2885 2301 909 ROSTELECOM-AS, RU 8551 2758 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2324 360 589 TELLCOM-AS, TR 58224 1610 895 586 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1521 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 12134 3378 608 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2470 337 650 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1345 2321 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1097 174 436 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 36914 524 82 3 KENET-AS, KE 37342 491 32 1 MOVITEL, MZ 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 12134 3378 608 UNINET, MX 9808 9740 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9376 11176 3363 AMAZON-02, US 12479 7522 1714 146 UNI2-AS, ES 7545 5677 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4560 302 680 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4165 288 95 VIASAT-SP-BACKBONE, US 20940 3999 3397 140 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 9740 9699 CHINAMOBILE-CN China Mobile Communications Grou 12479 7522 7376 UNI2-AS, ES 16509 9376 6013 AMAZON-02, US 7545 5677 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4407 4382 FPT-AS-AP FPT Telecom Company, VN 7155 4165 4070 VIASAT-SP-BACKBONE, US 11492 4560 3880 CABLEONE, US 20940 3999 3859 AKAMAI-ASN1, NL 7552 3643 3623 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 17054 EXPEDIENT, 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 23.142.84.0/24 Origin: 150698 VCL-AS-AP VCORE LTD, VN 23.142.84.0/24 Transit: 33387 NOCIX, 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 /10:37 /11:99 /12:298 /13:578 /14:1189 /15:2057 /16:13414 /17:8188 /18:13681 /19:24771 /20:43085 /21:51100 /22:109895 /23:99066 /24:560102 /25:0 /26:1 /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 6615 7522 UNI2-AS, ES 8151 6140 12134 UNINET, MX 11492 3474 4560 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3112 4165 VIASAT-SP-BACKBONE, US 22773 2560 3495 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2235 2758 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2127 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3527 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) ---------------------------------------------- 1:2243 2:1428 3:281 4:5 5:4390 6:160 7:6 8:1492 9:1 11:172 12:1488 13:369 14:2319 15:304 16:205 17:360 18:705 20:315 21:4 22:188 23:6509 24:2570 25:2 27:2573 29:19 31:2545 32:53 34:33 35:116 36:2044 37:4462 38:5698 39:877 40:150 41:4093 42:2113 43:2295 44:328 45:16642 46:4368 47:285 49:1896 50:1873 51:571 52:1588 54:392 55:835 56:5 57:125 58:1843 59:1102 60:1007 61:2466 62:2723 63:1902 64:5459 65:2349 66:4985 67:3044 68:1354 69:4090 70:1174 71:608 72:2926 74:2619 75:1562 76:625 77:2269 78:1824 79:2892 80:2117 81:1855 82:1515 83:1318 84:1608 85:2957 86:781 87:1966 88:1233 89:3954 90:638 91:7872 92:2170 93:2626 94:3556 95:3989 96:1297 97:316 98:1016 99:737 100:94 101:1412 102:2990 103:32226 104:4786 105:592 106:976 107:2745 108:1136 109:3676 110:2132 111:3145 112:2076 113:1696 114:1742 115:1983 116:1922 117:2524 118:2739 119:1947 120:1754 121:1232 122:2623 123:2170 124:1579 125:2745 128:1431 129:898 130:1053 131:1987 132:821 133:410 134:1717 135:299 136:914 137:985 138:2724 139:1556 140:1336 141:1349 142:1534 143:1543 144:1006 145:342 146:1983 147:1633 148:2442 149:2339 150:1009 151:1287 152:1825 153:526 154:5271 155:1376 156:2108 157:1362 158:1083 159:2198 160:2616 161:1616 162:3556 163:1628 164:1618 165:1862 166:1100 167:1761 168:3826 169:796 170:4697 171:968 172:3761 173:2996 174:901 175:1209 176:3583 177:4658 178:3530 179:2217 180:2320 181:3598 182:3403 183:2025 184:2251 185:20425 186:4754 187:4277 188:3990 189:3991 190:9302 191:1472 192:10970 193:8953 194:7294 195:5206 196:3139 197:2647 198:5924 199:6627 200:8010 201:6247 202:10204 203:10002 204:4568 205:3667 206:4374 207:3396 208:4078 209:4872 210:4253 211:2465 212:4216 213:3396 214:1115 215:63 216:6730 217:2746 218:1288 219:412 220:1797 221:1012 222:698 223:2198 End of report