IPv4 R&E Routing Table Report 23:05 GMT Thu 13 Jul, 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: 919889 Prefixes after maximum aggregation (per Origin AS): 349922 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451762 Number of IPv4 prefixes with a valid ROA: 411788 Number of IPv4 prefixes with an invalid ROA: 1686 Number of IPv4 prefixes with no ROA: 506415 Total ASes present in the Internet Routing Table: 74421 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63918 Origin ASes announcing only one prefix: 26305 Transit ASes present in the Internet Routing Table: 10503 Transit-only ASes present in the Internet Routing Table: 441 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1065 Number of instances of unregistered ASNs: 1070 Number of 32-bit ASNs allocated by the RIRs: 42288 Number of 32-bit ASNs visible in the Routing Table: 34756 Prefixes from 32-bit ASNs in the Routing Table: 172714 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 554 Number of addresses announced to Internet: 3052924928 Equivalent to 181 /8s, 247 /16s and 240 /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: 99.6 Total number of prefixes smaller than registry allocations: 308071 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239918 Total APNIC prefixes after maximum aggregation: 69045 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 233710 Unique aggregates announced from the APNIC address blocks: 98579 APNIC Region origin ASes present in the Internet Routing Table: 13416 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 3968 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8803 Number of APNIC addresses announced to Internet: 772990464 Equivalent to 46 /8s, 18 /16s and 230 /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: 270162 Total ARIN prefixes after maximum aggregation: 123174 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272523 Unique aggregates announced from the ARIN address blocks: 130715 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1899 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4801 Number of ARIN addresses announced to Internet: 1276876800 Equivalent to 76 /8s, 27 /16s and 152 /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: 260051 Total RIPE prefixes after maximum aggregation: 122681 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256577 Unique aggregates announced from the RIPE address blocks: 159768 RIPE Region origin ASes present in the Internet Routing Table: 28343 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3952 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11230 Number of RIPE addresses announced to Internet: 716747008 Equivalent to 42 /8s, 184 /16s and 177 /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 196608-213403 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: 118819 Total LACNIC prefixes after maximum aggregation: 28408 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117951 Unique aggregates announced from the LACNIC address blocks: 49546 LACNIC Region origin ASes present in the Internet Routing Table: 11017 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2336 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8811 Number of LACNIC addresses announced to Internet: 178416384 Equivalent to 10 /8s, 162 /16s and 107 /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: 29874 Total AfriNIC prefixes after maximum aggregation: 5886 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38574 Unique aggregates announced from the AfriNIC address blocks: 12699 AfriNIC Region origin ASes present in the Internet Routing Table: 1762 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1111 Number of AfriNIC addresses announced to Internet: 107561984 Equivalent to 6 /8s, 105 /16s and 68 /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 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3692 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3557 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3046 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2444 834 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 199 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 8687 10870 3124 AMAZON-02, US 11492 4520 300 619 CABLEONE, US 7155 4171 288 87 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3137 1554 2353 AKAMAI-AS, US 367 2745 3732 1316 DNIC-ASBLK-00306-00371, US 396982 2677 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2504 361 396 MEDIACOM-ENTERPRISE-BUSINESS, 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 7299 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4070 3398 160 AKAMAI-ASN1, NL 8551 3468 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2651 246 1376 M247, RO 34984 2306 361 609 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11581 3376 597 UNINET, MX 10620 3529 507 840 Telmex Colombia S.A., CO 13999 2400 360 631 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 239 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1105 177 438 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1241 550 98 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 525 54 47 WANANCHI-, KE 24757 488 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 11581 3376 597 UNINET, MX 9808 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8687 10870 3124 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5679 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4520 300 619 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4171 288 87 VIASAT-SP-BACKBONE, US 20940 4070 3398 160 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 9510 9473 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8687 5563 AMAZON-02, US 7545 5679 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4171 4084 VIASAT-SP-BACKBONE, US 20940 4070 3910 AKAMAI-ASN1, NL 11492 4520 3901 CABLEONE, US 7552 3692 3671 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.157.200.0/24 Origin: 46983 UNASSIGNED 23.157.200.0/24 Transit: 20473 AS-CHOOPA, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /11:103 /12:296 /13:574 /14:1198 /15:2104 /16:13421 /17:8188 /18:13728 /19:24879 /20:43224 /21:51103 /22:109391 /23:98145 /24:553458 /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 6387 7299 UNI2-AS, ES 8151 5501 11581 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3429 4520 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3120 4171 VIASAT-SP-BACKBONE, US 8551 2937 3468 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3529 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) ---------------------------------------------- 1:2175 2:1349 3:225 4:5 5:4500 6:130 7:6 8:1511 9:1 11:172 12:1519 13:381 14:2307 15:299 16:191 17:372 18:506 20:268 21:4 22:188 23:6356 24:2596 25:4 27:2514 29:19 31:2529 32:77 34:25 35:111 36:1960 37:4608 38:4995 39:829 40:151 41:3959 42:2007 43:2298 44:305 45:16602 46:4337 47:376 49:1765 50:1854 51:586 52:1591 54:396 55:974 56:8 57:120 58:1813 59:1097 60:985 61:2487 62:2659 63:1904 64:5594 65:2317 66:4933 67:3050 68:1331 69:4097 70:1205 71:675 72:2983 74:2626 75:1568 76:613 77:2441 78:1818 79:2978 80:2113 81:1789 82:1492 83:1263 84:1522 85:2990 86:765 87:2007 88:1175 89:3832 90:614 91:7786 92:2042 93:2597 94:3571 95:4045 96:1309 97:338 98:1149 99:735 100:95 101:1313 102:2839 103:31638 104:4561 105:505 106:876 107:2555 108:1089 109:4231 110:2093 111:3125 112:2016 113:1743 114:1633 115:1976 116:1900 117:2572 118:2615 119:1979 120:1792 121:1074 122:2610 123:2128 124:1574 125:2463 128:1401 129:1042 130:1008 131:1983 132:849 133:422 134:1796 135:307 136:886 137:955 138:2536 139:1567 140:1254 141:1310 142:1461 143:1508 144:982 145:341 146:1952 147:1583 148:2407 149:2121 150:881 151:1165 152:1952 153:495 154:4681 155:1357 156:1815 157:1316 158:1083 159:2263 160:2590 161:1552 162:3510 163:1556 164:1609 165:1877 166:1058 167:1726 168:3850 169:946 170:4618 171:891 172:3637 173:2957 174:1089 175:1177 176:3725 177:4551 178:3603 179:2163 180:2464 181:3490 182:3397 183:1998 184:2321 185:20479 186:4773 187:4085 188:4098 189:3715 190:9237 191:1380 192:10898 193:8935 194:7318 195:5140 196:3208 197:2382 198:5902 199:6095 200:7998 201:5942 202:10247 203:10097 204:4549 205:3681 206:4267 207:3384 208:4121 209:4898 210:4186 211:2440 212:4243 213:3581 214:1090 215:59 216:6638 217:2756 218:1275 219:414 220:1763 221:964 222:668 223:2154 End of report