IPv4 R&E Routing Table Report 23:05 GMT Fri 25 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: 921434 Prefixes after maximum aggregation (per Origin AS): 350785 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452553 Number of IPv4 prefixes with a valid ROA: 418315 Number of IPv4 prefixes with an invalid ROA: 1568 Number of IPv4 prefixes with no ROA: 501551 Total ASes present in the Internet Routing Table: 74572 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64145 Origin ASes announcing only one prefix: 26343 Transit ASes present in the Internet Routing Table: 10427 Transit-only ASes present in the Internet Routing Table: 442 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: 994 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 42498 Number of 32-bit ASNs visible in the Routing Table: 34947 Prefixes from 32-bit ASNs in the Routing Table: 174039 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: 542 Number of addresses announced to Internet: 3055462912 Equivalent to 182 /8s, 30 /16s and 170 /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: 308066 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241062 Total APNIC prefixes after maximum aggregation: 69727 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234766 Unique aggregates announced from the APNIC address blocks: 98728 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: 4007 APNIC Region transit ASes present in the Internet Routing Table: 1798 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8888 Number of APNIC addresses announced to Internet: 772747008 Equivalent to 46 /8s, 15 /16s and 47 /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: 270512 Total ARIN prefixes after maximum aggregation: 123355 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272684 Unique aggregates announced from the ARIN address blocks: 131023 ARIN Region origin ASes present in the Internet Routing Table: 19059 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6985 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: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4817 Number of ARIN addresses announced to Internet: 1279428608 Equivalent to 76 /8s, 66 /16s and 136 /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: 260450 Total RIPE prefixes after maximum aggregation: 122602 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257157 Unique aggregates announced from the RIPE address blocks: 159972 RIPE Region origin ASes present in the Internet Routing Table: 28386 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3911 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: 11290 Number of RIPE addresses announced to Internet: 716470784 Equivalent to 42 /8s, 180 /16s and 122 /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: 118329 Total LACNIC prefixes after maximum aggregation: 28449 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117356 Unique aggregates announced from the LACNIC address blocks: 49595 LACNIC Region origin ASes present in the Internet Routing Table: 11015 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: 2320 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8828 Number of LACNIC addresses announced to Internet: 178577408 Equivalent to 10 /8s, 164 /16s and 224 /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: 30087 Total AfriNIC prefixes after maximum aggregation: 5952 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38929 Unique aggregates announced from the AfriNIC address blocks: 12784 AfriNIC Region origin ASes present in the Internet Routing Table: 1779 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1124 Number of AfriNIC addresses announced to Internet: 107777792 Equivalent to 6 /8s, 108 /16s and 143 /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 9523 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5703 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3725 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3337 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3105 498 250 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 8920 10967 3259 AMAZON-02, US 11492 4524 300 643 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3562 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3060 1478 2305 AKAMAI-AS, US 367 2970 3810 1393 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 7018 2517 23937 1534 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 7341 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4069 3398 154 AKAMAI-ASN1, NL 8551 3461 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2296 914 ROSTELECOM-AS, RU 9009 2653 246 1372 M247, RO 34984 2329 362 595 TELLCOM-AS, TR 58224 1750 922 526 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1519 102 1184 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 11638 3358 610 UNINET, MX 10620 3535 506 849 Telmex Colombia S.A., CO 13999 2451 366 644 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 1503 533 27 RAYA-AS, EG 36992 1338 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 903 520 35 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 520 54 48 WANANCHI-, KE 24757 478 73 5 EthioNet-AS, ET 37342 466 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 11638 3358 610 UNINET, MX 9808 9523 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8920 10967 3259 AMAZON-02, US 12479 7341 1713 145 UNI2-AS, ES 7545 5703 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 643 CABLEONE, US 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4069 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 9523 9483 CHINAMOBILE-CN China Mobile Communications Grou 12479 7341 7196 UNI2-AS, ES 16509 8920 5661 AMAZON-02, US 7545 5703 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4348 4323 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4069 3915 AKAMAI-ASN1, NL 11492 4524 3881 CABLEONE, US 7552 3725 3704 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 /15:2096 /16:13469 /17:8190 /18:13730 /19:24806 /20:43343 /21:51059 /22:109467 /23:98650 /24:554377 /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 6427 7341 UNI2-AS, ES 8151 5673 11638 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2929 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2608 3562 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2098 3535 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 3:233 4:5 5:4550 6:138 7:6 8:1512 9:1 11:172 12:1505 13:369 14:2294 15:301 16:191 17:371 18:623 20:280 21:4 22:188 23:6371 24:2483 25:6 27:2547 29:19 31:2532 32:78 34:26 35:115 36:1993 37:4606 38:5151 39:867 40:147 41:4035 42:2086 43:2290 44:322 45:16571 46:4260 47:384 49:1795 50:1857 51:595 52:1595 54:393 55:962 56:8 57:121 58:1791 59:1114 60:995 61:2506 62:2686 63:1919 64:5555 65:2334 66:4897 67:3016 68:1337 69:4131 70:1191 71:656 72:2955 74:2608 75:1563 76:616 77:2437 78:1834 79:2989 80:2128 81:1822 82:1457 83:1278 84:1513 85:2970 86:756 87:2002 88:1174 89:3855 90:617 91:7800 92:2069 93:2605 94:3534 95:4007 96:1293 97:317 98:1079 99:735 100:90 101:1302 102:2948 103:31985 104:4571 105:553 106:881 107:2587 108:1123 109:4245 110:2108 111:3133 112:2073 113:1744 114:1652 115:1994 116:1911 117:2531 118:2693 119:1980 120:1786 121:1084 122:2566 123:2139 124:1580 125:2490 128:1409 129:914 130:1023 131:1947 132:848 133:420 134:1787 135:306 136:914 137:972 138:2645 139:1562 140:1231 141:1296 142:1478 143:1490 144:991 145:345 146:1950 147:1606 148:2422 149:2137 150:868 151:1227 152:1974 153:517 154:4787 155:1384 156:1924 157:1323 158:1081 159:2223 160:2614 161:1586 162:3517 163:1586 164:1702 165:1844 166:951 167:1727 168:3827 169:910 170:4604 171:881 172:3670 173:2972 174:987 175:1183 176:3754 177:4496 178:3538 179:2120 180:2436 181:3452 182:3317 183:2003 184:2282 185:20521 186:4774 187:4095 188:4145 189:3778 190:9257 191:1330 192:10900 193:8930 194:7295 195:5187 196:3201 197:2383 198:5921 199:6073 200:7865 201:5994 202:10236 203:9998 204:4525 205:3639 206:4259 207:3380 208:4114 209:4888 210:4180 211:2442 212:4241 213:3582 214:1089 215:59 216:6637 217:2778 218:1266 219:405 220:1801 221:976 222:665 223:2152 End of report