IPv4 R&E Routing Table Report 23:05 GMT Mon 02 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: 923246 Prefixes after maximum aggregation (per Origin AS): 352112 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452879 Number of IPv4 prefixes with a valid ROA: 422201 Number of IPv4 prefixes with an invalid ROA: 1645 Number of IPv4 prefixes with no ROA: 499400 Total ASes present in the Internet Routing Table: 74684 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64233 Origin ASes announcing only one prefix: 26420 Transit ASes present in the Internet Routing Table: 10451 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 999 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 42749 Number of 32-bit ASNs visible in the Routing Table: 35120 Prefixes from 32-bit ASNs in the Routing Table: 175145 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3052007168 Equivalent to 181 /8s, 233 /16s and 239 /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: 99.5 Total number of prefixes smaller than registry allocations: 308558 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241374 Total APNIC prefixes after maximum aggregation: 70184 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234985 Unique aggregates announced from the APNIC address blocks: 98862 APNIC Region origin ASes present in the Internet Routing Table: 13583 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4061 APNIC Region transit ASes present in the Internet Routing Table: 1810 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8974 Number of APNIC addresses announced to Internet: 772230912 Equivalent to 46 /8s, 7 /16s and 79 /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: 270827 Total ARIN prefixes after maximum aggregation: 123402 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 274310 Unique aggregates announced from the ARIN address blocks: 131594 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.41 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1874 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4818 Number of ARIN addresses announced to Internet: 1276968704 Equivalent to 76 /8s, 28 /16s and 255 /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: 261370 Total RIPE prefixes after maximum aggregation: 123518 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256616 Unique aggregates announced from the RIPE address blocks: 159962 RIPE Region origin ASes present in the Internet Routing Table: 28405 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12063 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11337 Number of RIPE addresses announced to Internet: 716267520 Equivalent to 42 /8s, 177 /16s and 96 /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: 118530 Total LACNIC prefixes after maximum aggregation: 28335 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117493 Unique aggregates announced from the LACNIC address blocks: 49344 LACNIC Region origin ASes present in the Internet Routing Table: 11028 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2339 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8851 Number of LACNIC addresses announced to Internet: 178449920 Equivalent to 10 /8s, 162 /16s and 238 /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: 30146 Total AfriNIC prefixes after maximum aggregation: 5980 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39318 Unique aggregates announced from the AfriNIC address blocks: 12679 AfriNIC Region origin ASes present in the Internet Routing Table: 1794 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1140 Number of AfriNIC addresses announced to Internet: 107663616 Equivalent to 6 /8s, 106 /16s and 209 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5735 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3595 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3591 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3330 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3188 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2525 849 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 201 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 9092 10991 3243 AMAZON-02, US 11492 4532 301 670 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3520 3037 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 16625 2988 1409 2285 AKAMAI-AS, US 367 2962 3800 1406 DNIC-ASBLK-00306-00371, US 396982 2698 3597 395 GOOGLE-CLOUD-PLATFORM, US 7018 2486 23612 1552 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 7388 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4068 3398 152 AKAMAI-ASN1, NL 8551 3443 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2903 2296 913 ROSTELECOM-AS, RU 9009 2889 264 1475 M247, RO 34984 2334 361 596 TELLCOM-AS, TR 58224 1723 923 527 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1510 1852 16 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 11811 3382 601 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2408 331 622 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 344 508 Axtel, S.A.B. de C.V., MX 3816 1297 766 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1070 169 427 Techtel LMDS Comunicaciones Interactiva 26615 1035 2501 49 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 1605 391 38 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 526 55 50 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 477 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 11811 3382 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9092 10991 3243 AMAZON-02, US 12479 7388 1713 145 UNI2-AS, ES 7545 5735 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4532 301 670 CABLEONE, US 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4068 3398 152 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7388 7243 UNI2-AS, ES 16509 9092 5849 AMAZON-02, US 7545 5735 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4242 4217 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 20940 4068 3916 AKAMAI-ASN1, NL 11492 4532 3862 CABLEONE, US 7552 3595 3575 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 /11:101 /12:299 /13:578 /14:1194 /15:2094 /16:13449 /17:8220 /18:13737 /19:24835 /20:43179 /21:50794 /22:109482 /23:98472 /24:556736 /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 6474 7388 UNI2-AS, ES 8151 5829 11811 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3445 4532 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3119 4173 VIASAT-SP-BACKBONE, US 8551 2920 3443 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2576 3520 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2141 2484 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2107 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) ---------------------------------------------- 1:2208 2:1410 3:266 4:5 5:4435 6:137 7:6 8:1498 9:1 11:172 12:1513 13:362 14:2319 15:305 16:193 17:366 18:658 20:287 21:4 22:188 23:6377 24:2500 25:2 27:2586 29:19 31:2534 32:75 34:26 35:114 36:2001 37:4516 38:5407 39:864 40:143 41:4031 42:2054 43:2267 44:322 45:16568 46:4271 47:370 49:1820 50:1873 51:580 52:1594 54:393 55:652 56:5 57:124 58:1787 59:1115 60:1003 61:2540 62:2684 63:1909 64:5649 65:2357 66:4962 67:3029 68:1341 69:4129 70:1194 71:668 72:2940 74:2622 75:1560 76:628 77:2297 78:1824 79:2987 80:2106 81:1825 82:1470 83:1299 84:1544 85:3068 86:770 87:1997 88:1200 89:3910 90:622 91:7818 92:2062 93:2609 94:3517 95:4047 96:1300 97:315 98:1080 99:732 100:90 101:1288 102:2898 103:32121 104:4741 105:577 106:908 107:2713 108:1127 109:4226 110:2133 111:3139 112:2059 113:1747 114:1686 115:1995 116:1877 117:2535 118:2697 119:1957 120:1776 121:1119 122:2599 123:2167 124:1569 125:2544 128:1393 129:913 130:1033 131:1981 132:857 133:408 134:1781 135:306 136:972 137:970 138:2623 139:1576 140:1282 141:1322 142:1508 143:1546 144:1004 145:351 146:1939 147:1602 148:2461 149:2269 150:874 151:1228 152:1976 153:522 154:5063 155:1383 156:1979 157:1339 158:1056 159:2180 160:2637 161:1593 162:3509 163:1602 164:1692 165:1855 166:1057 167:1729 168:3724 169:803 170:4629 171:921 172:3787 173:2949 174:980 175:1181 176:3773 177:4490 178:3546 179:2191 180:2459 181:3532 182:3366 183:1993 184:2270 185:20600 186:4689 187:4197 188:4156 189:3894 190:9267 191:1378 192:10941 193:8953 194:7302 195:5202 196:3178 197:2459 198:5913 199:6143 200:7891 201:6110 202:10188 203:9996 204:4538 205:3681 206:4311 207:3398 208:4115 209:4868 210:4210 211:2446 212:4261 213:3382 214:1110 215:70 216:6659 217:2780 218:1266 219:405 220:1801 221:980 222:663 223:2145 End of report