IPv4 R&E Routing Table Report 23:05 GMT Sat 23 Sep, 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: 923659 Prefixes after maximum aggregation (per Origin AS): 352105 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453249 Number of IPv4 prefixes with a valid ROA: 420935 Number of IPv4 prefixes with an invalid ROA: 1667 Number of IPv4 prefixes with no ROA: 501057 Total ASes present in the Internet Routing Table: 74644 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64218 Origin ASes announcing only one prefix: 26354 Transit ASes present in the Internet Routing Table: 10426 Transit-only ASes present in the Internet Routing Table: 447 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: 988 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 42674 Number of 32-bit ASNs visible in the Routing Table: 35067 Prefixes from 32-bit ASNs in the Routing Table: 174958 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: 529 Number of addresses announced to Internet: 3053707520 Equivalent to 182 /8s, 3 /16s and 225 /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: 308333 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241563 Total APNIC prefixes after maximum aggregation: 70188 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235238 Unique aggregates announced from the APNIC address blocks: 98906 APNIC Region origin ASes present in the Internet Routing Table: 13556 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4033 APNIC Region transit ASes present in the Internet Routing Table: 1811 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8950 Number of APNIC addresses announced to Internet: 772183808 Equivalent to 46 /8s, 6 /16s and 151 /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: 271269 Total ARIN prefixes after maximum aggregation: 123363 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274550 Unique aggregates announced from the ARIN address blocks: 131703 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.42 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1880 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813 Number of ARIN addresses announced to Internet: 1278117888 Equivalent to 76 /8s, 46 /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: 261460 Total RIPE prefixes after maximum aggregation: 123512 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256872 Unique aggregates announced from the RIPE address blocks: 160040 RIPE Region origin ASes present in the Internet Routing Table: 28404 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3906 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: 11331 Number of RIPE addresses announced to Internet: 716800256 Equivalent to 42 /8s, 185 /16s and 129 /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: 118317 Total LACNIC prefixes after maximum aggregation: 28358 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117260 Unique aggregates announced from the LACNIC address blocks: 49289 LACNIC Region origin ASes present in the Internet Routing Table: 11019 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2324 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8837 Number of LACNIC addresses announced to Internet: 178422784 Equivalent to 10 /8s, 162 /16s and 132 /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: 30062 Total AfriNIC prefixes after maximum aggregation: 5985 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39210 Unique aggregates announced from the AfriNIC address blocks: 12864 AfriNIC Region origin ASes present in the Internet Routing Table: 1790 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 625 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 1136 Number of AfriNIC addresses announced to Internet: 107758592 Equivalent to 6 /8s, 108 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5726 785 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4295 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3743 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3321 1824 98 VNPT-AS-VN VNPT Corp, VN 9498 3155 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2516 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 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 9133 11002 3268 AMAZON-02, US 11492 4532 301 669 CABLEONE, US 7155 4177 288 98 VIASAT-SP-BACKBONE, US 6327 3541 1319 66 SHAW, CA 22773 3539 3039 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 2990 3836 1431 DNIC-ASBLK-00306-00371, US 16625 2971 1412 2265 AKAMAI-AS, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 30036 2499 358 377 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 7390 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4050 3398 152 AKAMAI-ASN1, NL 8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2906 2296 913 ROSTELECOM-AS, RU 9009 2765 256 1418 M247, RO 34984 2333 362 592 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1480 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 11852 3368 602 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2400 332 622 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 344 509 Axtel, S.A.B. de C.V., MX 3816 1295 764 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1115 180 429 Techtel LMDS Comunicaciones Interactiva 6147 1112 369 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 1605 393 19 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 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 937 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 55 49 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 472 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 11852 3368 602 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9133 11002 3268 AMAZON-02, US 12479 7390 1713 145 UNI2-AS, ES 7545 5726 785 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4532 301 669 CABLEONE, US 18403 4295 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 98 VIASAT-SP-BACKBONE, US 20940 4050 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 7390 7245 UNI2-AS, ES 16509 9133 5865 AMAZON-02, US 7545 5726 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4295 4270 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4079 VIASAT-SP-BACKBONE, US 20940 4050 3898 AKAMAI-ASN1, NL 11492 4532 3863 CABLEONE, US 7552 3743 3723 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2096 /16:13444 /17:8190 /18:13730 /19:24821 /20:43190 /21:50907 /22:109660 /23:98690 /24:556686 /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 6477 7390 UNI2-AS, ES 8151 5872 11852 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3444 4532 CABLEONE, US 6327 3352 3541 SHAW, CA 7155 3123 4177 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2589 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2106 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) ---------------------------------------------- 1:2211 2:1412 3:265 4:5 5:4504 6:135 7:6 8:1500 9:1 11:172 12:1515 13:377 14:2316 15:303 16:192 17:368 18:652 20:286 21:4 22:188 23:6405 24:2499 25:2 27:2581 29:19 31:2529 32:74 34:27 35:114 36:2000 37:4522 38:5329 39:870 40:147 41:4015 42:2081 43:2271 44:322 45:16584 46:4276 47:370 49:1824 50:1880 51:598 52:1595 54:393 55:934 56:5 57:123 58:1796 59:1118 60:1001 61:2534 62:2676 63:1913 64:5621 65:2351 66:4913 67:3028 68:1339 69:4145 70:1193 71:662 72:2939 74:2614 75:1561 76:628 77:2296 78:1828 79:2987 80:2108 81:1814 82:1491 83:1294 84:1532 85:3063 86:765 87:2007 88:1168 89:3868 90:620 91:7806 92:2063 93:2616 94:3515 95:4021 96:1300 97:314 98:1078 99:735 100:90 101:1319 102:2872 103:32065 104:4719 105:576 106:886 107:2684 108:1125 109:4232 110:2126 111:3142 112:2175 113:1751 114:1683 115:1996 116:1887 117:2536 118:2701 119:1960 120:1776 121:1128 122:2611 123:2170 124:1571 125:2516 128:1418 129:913 130:1036 131:1968 132:853 133:408 134:1780 135:306 136:973 137:969 138:2631 139:1554 140:1174 141:1309 142:1503 143:1539 144:1002 145:351 146:1938 147:1599 148:2430 149:2262 150:875 151:1230 152:1980 153:523 154:5088 155:1389 156:1934 157:1345 158:1086 159:2243 160:2611 161:1593 162:3531 163:1601 164:1691 165:1862 166:1056 167:1736 168:3730 169:878 170:4634 171:921 172:3752 173:2962 174:981 175:1183 176:3768 177:4449 178:3530 179:2136 180:2490 181:3497 182:3319 183:2000 184:2283 185:20586 186:4712 187:4183 188:4159 189:3853 190:9228 191:1367 192:10972 193:8956 194:7292 195:5204 196:3184 197:2440 198:5892 199:6130 200:7838 201:6042 202:10196 203:10017 204:4539 205:3685 206:4316 207:3398 208:4134 209:4900 210:4231 211:2449 212:4269 213:3406 214:1111 215:57 216:6683 217:2775 218:1267 219:405 220:1800 221:981 222:662 223:2145 End of report