IPv4 R&E Routing Table Report 23:05 GMT Thu 24 Aug, 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: 921180 Prefixes after maximum aggregation (per Origin AS): 350863 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452398 Number of IPv4 prefixes with a valid ROA: 418142 Number of IPv4 prefixes with an invalid ROA: 1550 Number of IPv4 prefixes with no ROA: 501488 Total ASes present in the Internet Routing Table: 74560 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64123 Origin ASes announcing only one prefix: 26344 Transit ASes present in the Internet Routing Table: 10437 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1007 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 42500 Number of 32-bit ASNs visible in the Routing Table: 34936 Prefixes from 32-bit ASNs in the Routing Table: 173967 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 554 Number of addresses announced to Internet: 3055132160 Equivalent to 182 /8s, 25 /16s and 158 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307930 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241125 Total APNIC prefixes after maximum aggregation: 69734 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234834 Unique aggregates announced from the APNIC address blocks: 98746 APNIC Region origin ASes present in the Internet Routing Table: 13503 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 4004 APNIC Region transit ASes present in the Internet Routing Table: 1800 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8890 Number of APNIC addresses announced to Internet: 772736768 Equivalent to 46 /8s, 15 /16s and 7 /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: 270452 Total ARIN prefixes after maximum aggregation: 123337 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272629 Unique aggregates announced from the ARIN address blocks: 130895 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6988 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4817 Number of ARIN addresses announced to Internet: 1279274240 Equivalent to 76 /8s, 64 /16s and 45 /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: 260442 Total RIPE prefixes after maximum aggregation: 122612 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257078 Unique aggregates announced from the RIPE address blocks: 159885 RIPE Region origin ASes present in the Internet Routing Table: 28383 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3908 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: 11286 Number of RIPE addresses announced to Internet: 716342016 Equivalent to 42 /8s, 178 /16s and 131 /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: 118218 Total LACNIC prefixes after maximum aggregation: 28541 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117261 Unique aggregates announced from the LACNIC address blocks: 49627 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2321 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8820 Number of LACNIC addresses announced to Internet: 178545408 Equivalent to 10 /8s, 164 /16s and 99 /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: 29936 Total AfriNIC prefixes after maximum aggregation: 5943 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38824 Unique aggregates announced from the AfriNIC address blocks: 12782 AfriNIC Region origin ASes present in the Internet Routing Table: 1779 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1123 Number of AfriNIC addresses announced to Internet: 107769088 Equivalent to 6 /8s, 108 /16s and 109 /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 9521 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5701 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3728 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3104 498 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2489 847 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2184 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 8789 10940 3244 AMAZON-02, US 11492 4528 300 627 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3567 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3071 1488 2312 AKAMAI-AS, US 367 2979 3828 1403 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 7018 2514 23914 1537 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 7343 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4067 3398 154 AKAMAI-ASN1, NL 8551 3462 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2296 914 ROSTELECOM-AS, RU 9009 2674 247 1380 M247, RO 34984 2330 362 595 TELLCOM-AS, TR 58224 1766 923 540 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1520 102 1185 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 11661 3358 610 UNINET, MX 10620 3491 500 934 Telmex Colombia S.A., CO 13999 2446 365 647 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1288 757 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1116 181 435 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 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 1594 393 19 LINKdotNET-AS, EG 24835 1474 497 26 RAYA-AS, EG 36992 1338 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 775 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 24757 478 73 5 EthioNet-AS, ET 37342 467 32 1 MOVITEL, MZ 15399 440 54 48 WANANCHI-, KE 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 11661 3358 610 UNINET, MX 9808 9521 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8789 10940 3244 AMAZON-02, US 12479 7343 1713 145 UNI2-AS, ES 7545 5701 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4528 300 627 CABLEONE, US 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4067 3398 154 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 9521 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7343 7198 UNI2-AS, ES 16509 8789 5545 AMAZON-02, US 7545 5701 5015 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4347 4322 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4067 3913 AKAMAI-ASN1, NL 11492 4528 3901 CABLEONE, US 7552 3728 3707 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:102 /12:298 /13:576 /14:1194 /15:2097 /16:13469 /17:8188 /18:13722 /19:24816 /20:43370 /21:51024 /22:109303 /23:98588 /24:554356 /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 6429 7343 UNI2-AS, ES 8151 5692 11661 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3438 4528 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2930 3462 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2612 3567 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2065 3491 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) ---------------------------------------------- 1:2229 2:1379 3:224 4:5 5:4548 6:138 7:6 8:1510 9:1 11:172 12:1506 13:366 14:2305 15:301 16:192 17:371 18:602 20:280 21:4 22:188 23:6367 24:2484 25:6 27:2525 29:19 31:2526 32:78 34:26 35:115 36:2000 37:4607 38:5140 39:863 40:147 41:3969 42:2086 43:2282 44:321 45:16537 46:4262 47:384 49:1794 50:1855 51:595 52:1596 54:391 55:965 56:8 57:121 58:1791 59:1113 60:995 61:2509 62:2685 63:1918 64:5560 65:2333 66:4901 67:3012 68:1335 69:4130 70:1190 71:656 72:2952 74:2609 75:1561 76:616 77:2438 78:1835 79:2988 80:2120 81:1821 82:1455 83:1275 84:1516 85:2970 86:753 87:1988 88:1176 89:3825 90:616 91:7801 92:2066 93:2596 94:3531 95:4006 96:1294 97:317 98:1080 99:734 100:90 101:1302 102:2949 103:31980 104:4568 105:550 106:881 107:2586 108:1123 109:4241 110:2111 111:3133 112:2069 113:1744 114:1652 115:1993 116:1911 117:2529 118:2694 119:1980 120:1788 121:1087 122:2574 123:2137 124:1577 125:2489 128:1412 129:1035 130:1023 131:1950 132:843 133:420 134:1787 135:305 136:910 137:972 138:2636 139:1562 140:1231 141:1287 142:1473 143:1494 144:981 145:341 146:1947 147:1602 148:2425 149:2131 150:866 151:1220 152:1974 153:517 154:4793 155:1387 156:1920 157:1321 158:1084 159:2230 160:2613 161:1588 162:3513 163:1582 164:1700 165:1845 166:973 167:1725 168:3829 169:906 170:4592 171:881 172:3659 173:2975 174:987 175:1184 176:3773 177:4478 178:3535 179:2111 180:2461 181:3441 182:3415 183:2002 184:2283 185:20522 186:4768 187:4097 188:4140 189:3775 190:9249 191:1329 192:10888 193:8919 194:7308 195:5189 196:3195 197:2457 198:5921 199:6066 200:7861 201:6044 202:10212 203:10001 204:4529 205:3641 206:4262 207:3385 208:4112 209:4889 210:4181 211:2442 212:4241 213:3582 214:1094 215:59 216:6621 217:2779 218:1266 219:408 220:1801 221:975 222:665 223:2152 End of report