IPv4 R&E Routing Table Report 23:05 GMT Sun 31 Mar, 2024 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: 936635 Prefixes after maximum aggregation (per Origin AS): 358186 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458574 Number of IPv4 prefixes with a valid ROA: 457733 Number of IPv4 prefixes with an invalid ROA: 1000 Number of IPv4 prefixes with no ROA: 477902 Total ASes present in the Internet Routing Table: 75404 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64754 Origin ASes announcing only one prefix: 26567 Transit ASes present in the Internet Routing Table: 10650 Transit-only ASes present in the Internet Routing Table: 492 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1063 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 43984 Number of 32-bit ASNs visible in the Routing Table: 36072 Prefixes from 32-bit ASNs in the Routing Table: 182751 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 577 Number of addresses announced to Internet: 3027745280 Equivalent to 180 /8s, 119 /16s and 186 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309250 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246900 Total APNIC prefixes after maximum aggregation: 72375 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239594 Unique aggregates announced from the APNIC address blocks: 100006 APNIC Region origin ASes present in the Internet Routing Table: 13976 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4229 APNIC Region transit ASes present in the Internet Routing Table: 1858 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9411 Number of APNIC addresses announced to Internet: 760244736 Equivalent to 45 /8s, 80 /16s and 106 /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: 273318 Total ARIN prefixes after maximum aggregation: 123840 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277949 Unique aggregates announced from the ARIN address blocks: 132631 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1914 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4862 Number of ARIN addresses announced to Internet: 1269434368 Equivalent to 75 /8s, 170 /16s and 8 /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: 263287 Total RIPE prefixes after maximum aggregation: 126386 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258198 Unique aggregates announced from the RIPE address blocks: 162827 RIPE Region origin ASes present in the Internet Routing Table: 28572 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3970 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11691 Number of RIPE addresses announced to Internet: 714693888 Equivalent to 42 /8s, 153 /16s and 93 /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: 121331 Total LACNIC prefixes after maximum aggregation: 28748 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119658 Unique aggregates announced from the LACNIC address blocks: 49600 LACNIC Region origin ASes present in the Internet Routing Table: 11060 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2599 LACNIC Region transit ASes present in the Internet Routing Table: 2385 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8921 Number of LACNIC addresses announced to Internet: 177192448 Equivalent to 10 /8s, 143 /16s and 190 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30736 Total AfriNIC prefixes after maximum aggregation: 6134 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40659 Unique aggregates announced from the AfriNIC address blocks: 13048 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 22.35 AfriNIC Region origin ASes announcing only one prefix: 650 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1187 Number of AfriNIC addresses announced to Internet: 105871360 Equivalent to 6 /8s, 79 /16s and 120 /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 9827 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4625 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3857 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3525 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2767 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2199 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9792 11364 3402 AMAZON-02, US 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3604 1320 75 SHAW, CA 22773 3515 3043 228 ASN-CXA-ALL-CCI-22773-RDC, US 174 3367 6650 688 COGENT-174, US 749 3189 54916 2441 DNIC-AS-00749, US 16625 3133 1344 2234 AKAMAI-AS, US 367 2879 3579 1363 DNIC-ASBLK-00306-00371, US 396982 2763 3641 412 GOOGLE-CLOUD-PLATFORM, 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 7674 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3845 3395 126 AKAMAI-ASN1, NL 9009 3261 283 1594 M247, RO 12389 2988 2304 905 ROSTELECOM-AS, RU 8551 2645 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1527 1852 14 TE-AS TE-AS, EG 44477 1501 98 712 STARK-INDUSTRIES, GB 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 12348 3315 493 UNINET, MX 10620 3527 497 888 Telmex Colombia S.A., CO 13999 2515 342 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6503 1103 346 480 Axtel, S.A.B. de C.V., MX 6147 1087 369 21 Telefonica del Peru S.A.A., PE 26615 1073 2503 53 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 24835 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1206 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 531 55 54 WANANCHI-, KE 36914 481 82 3 KENET-AS, KE 24757 428 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 12348 3315 493 UNINET, MX 9808 9827 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9792 11364 3402 AMAZON-02, US 12479 7674 1709 144 UNI2-AS, ES 7545 5660 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4625 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3857 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9827 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7674 7530 UNI2-AS, ES 16509 9792 6390 AMAZON-02, US 7545 5660 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4625 4600 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4596 3977 CABLEONE, US 7552 3857 3837 VIETEL-AS-AP Viettel Group, VN 20940 3845 3719 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 3356 LEVEL3, 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /10:36 /11:95 /12:297 /13:579 /14:1194 /15:2067 /16:13249 /17:8134 /18:13571 /19:24511 /20:43083 /21:50900 /22:110130 /23:98197 /24:570554 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6791 7674 UNI2-AS, ES 8151 6361 12348 UNINET, MX 11492 3509 4596 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3401 3604 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2615 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2133 3527 Telmex Colombia S.A., CO 8551 2121 2645 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2278 2:1481 3:321 4:6 5:4516 6:162 7:6 8:1503 9:1 11:172 12:1467 13:377 14:2354 15:318 16:210 17:367 18:757 20:356 21:4 22:188 23:6642 24:2708 25:2 27:2615 29:19 31:2650 32:46 34:63 35:123 36:2245 37:4479 38:7173 39:894 40:125 41:4064 42:2231 43:2313 44:315 45:16937 46:4383 47:299 49:1893 50:1899 51:573 52:1583 54:307 55:890 56:5 57:164 58:1980 59:1185 60:1027 61:2609 62:2689 63:1899 64:5532 65:2317 66:4678 67:3055 68:1333 69:4081 70:1193 71:575 72:2898 74:2573 75:1550 76:627 77:2423 78:1846 79:2480 80:2186 81:1931 82:1548 83:1314 84:1638 85:3109 86:831 87:2017 88:1238 89:4010 90:678 91:8061 92:2199 93:2637 94:3664 95:4156 96:1305 97:313 98:1040 99:743 100:93 101:1168 102:3090 103:32448 104:4783 105:635 106:927 107:2752 108:1114 109:4039 110:2136 111:3219 112:2065 113:1771 114:1778 115:2013 116:1864 117:2620 118:2841 119:1962 120:1783 121:1263 122:2662 123:2198 124:1607 125:2840 126:32 128:1430 129:926 130:1089 131:1849 132:792 133:410 134:1721 135:317 136:940 137:1031 138:2808 139:1543 140:1383 141:1358 142:1603 143:1498 144:1007 145:343 146:2026 147:1729 148:2476 149:2566 150:1032 151:1335 152:1970 153:523 154:6176 155:1418 156:2209 157:1658 158:1076 159:2307 160:2598 161:1630 162:3592 163:1702 164:1636 165:2130 166:1063 167:1759 168:3903 169:790 170:4736 171:1002 172:3828 173:3036 174:902 175:1198 176:3664 177:4723 178:3581 179:2263 180:2364 181:3668 182:3377 183:2041 184:2265 185:20640 186:4940 187:4478 188:4039 189:4108 190:9289 191:1528 192:10966 193:9048 194:7434 195:5251 196:3147 197:2382 198:5885 199:7534 200:7991 201:6296 202:10213 203:10161 204:4540 205:3707 206:4445 207:3371 208:4108 209:4984 210:4386 211:2487 212:4282 213:3383 214:1083 215:50 216:6766 217:2811 218:1312 219:406 220:1817 221:1032 222:692 223:2207 End of report