IPv4 R&E Routing Table Report 23:05 GMT Thu 11 Apr, 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: 938453 Prefixes after maximum aggregation (per Origin AS): 359156 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459659 Number of IPv4 prefixes with a valid ROA: 461915 Number of IPv4 prefixes with an invalid ROA: 1040 Number of IPv4 prefixes with no ROA: 475498 Total ASes present in the Internet Routing Table: 75456 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64792 Origin ASes announcing only one prefix: 26573 Transit ASes present in the Internet Routing Table: 10664 Transit-only ASes present in the Internet Routing Table: 493 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1085 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 44090 Number of 32-bit ASNs visible in the Routing Table: 36135 Prefixes from 32-bit ASNs in the Routing Table: 183839 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 599 Number of addresses announced to Internet: 3027461888 Equivalent to 180 /8s, 115 /16s and 103 /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: 309711 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247231 Total APNIC prefixes after maximum aggregation: 72646 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239843 Unique aggregates announced from the APNIC address blocks: 100127 APNIC Region origin ASes present in the Internet Routing Table: 13983 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4228 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9419 Number of APNIC addresses announced to Internet: 760064000 Equivalent to 45 /8s, 77 /16s and 168 /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: 273805 Total ARIN prefixes after maximum aggregation: 124211 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278476 Unique aggregates announced from the ARIN address blocks: 133225 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1915 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: 4864 Number of ARIN addresses announced to Internet: 1269190656 Equivalent to 75 /8s, 166 /16s and 80 /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, 393216-402332 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: 263999 Total RIPE prefixes after maximum aggregation: 126647 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258669 Unique aggregates announced from the RIPE address blocks: 163183 RIPE Region origin ASes present in the Internet Routing Table: 28601 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12142 RIPE Region transit ASes present in the Internet Routing Table: 3972 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11726 Number of RIPE addresses announced to Internet: 714735872 Equivalent to 42 /8s, 154 /16s and 1 /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: 121423 Total LACNIC prefixes after maximum aggregation: 28809 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119702 Unique aggregates announced from the LACNIC address blocks: 49501 LACNIC Region origin ASes present in the Internet Routing Table: 11071 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2601 LACNIC Region transit ASes present in the Internet Routing Table: 2399 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: 8940 Number of LACNIC addresses announced to Internet: 177217536 Equivalent to 10 /8s, 144 /16s and 32 /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: 30910 Total AfriNIC prefixes after maximum aggregation: 6131 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41164 Unique aggregates announced from the AfriNIC address blocks: 13145 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.64 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1186 Number of AfriNIC addresses announced to Internet: 105936128 Equivalent to 6 /8s, 80 /16s and 117 /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 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4627 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3866 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3579 498 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2774 861 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 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 9881 11377 3452 AMAZON-02, US 11492 4601 305 610 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3515 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3304 6630 813 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3096 1317 2212 AKAMAI-AS, US 367 2804 3546 1332 DNIC-ASBLK-00306-00371, US 396982 2763 3641 413 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 7711 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3849 3395 126 AKAMAI-ASN1, NL 9009 3275 284 1599 M247, RO 12389 2898 2270 897 ROSTELECOM-AS, RU 8551 2633 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 44477 1530 100 729 STARK-INDUSTRIES, GB 8452 1529 1852 14 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 12415 3322 493 UNINET, MX 10620 3531 497 886 Telmex Colombia S.A., CO 13999 2525 347 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1148 177 427 Techtel LMDS Comunicaciones Interactiva 6503 1143 346 480 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1072 114 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1207 76 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 529 56 56 WANANCHI-, KE 36914 474 82 3 KENET-AS, KE 24757 436 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 12415 3322 493 UNINET, MX 16509 9881 11377 3452 AMAZON-02, US 9808 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7711 1709 144 UNI2-AS, ES 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4627 347 24 FPT-AS-AP FPT Telecom Company, VN 11492 4601 305 610 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3866 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 9839 9776 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7567 UNI2-AS, ES 16509 9881 6429 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4627 4603 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4601 3991 CABLEONE, US 7552 3866 3846 VIETEL-AS-AP Viettel Group, VN 20940 3849 3723 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy 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 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 /13:578 /14:1194 /15:2066 /16:13231 /17:8128 /18:13571 /19:24501 /20:42956 /21:50908 /22:110295 /23:98431 /24:572128 /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 6830 7711 UNI2-AS, ES 8151 6424 12415 UNINET, MX 11492 3514 4601 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2613 3515 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2137 3531 Telmex Colombia S.A., CO 30036 2132 2475 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2109 2633 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) ---------------------------------------------- 1:2298 2:1496 3:324 4:6 5:4528 6:161 7:6 8:1503 9:1 11:172 12:1463 13:377 14:2354 15:318 16:209 17:367 18:758 20:358 21:4 22:188 23:6652 24:2716 25:2 27:2613 29:19 31:2689 32:45 34:62 35:124 36:2286 37:4463 38:7182 39:891 40:126 41:4077 42:2212 43:2338 44:316 45:17010 46:4417 47:302 49:1895 50:1911 51:573 52:1588 54:312 55:999 56:5 57:164 58:1980 59:1185 60:1033 61:2615 62:2684 63:1891 64:5534 65:2321 66:4658 67:3001 68:1314 69:4103 70:1193 71:577 72:2900 74:2590 75:1549 76:625 77:2406 78:1821 79:2490 80:2186 81:1950 82:1550 83:1312 84:1644 85:3132 86:840 87:2014 88:1241 89:4045 90:677 91:8083 92:2208 93:2658 94:3669 95:4135 96:1294 97:314 98:1044 99:742 100:79 101:1171 102:3124 103:32445 104:4853 105:635 106:932 107:2756 108:1119 109:4070 110:2131 111:3205 112:2066 113:1807 114:1777 115:2029 116:1869 117:2620 118:2840 119:1964 120:1785 121:1264 122:2663 123:2199 124:1606 125:2846 126:32 128:1428 129:928 130:1109 131:1850 132:796 133:410 134:1714 135:318 136:940 137:1026 138:2821 139:1533 140:1386 141:1367 142:1582 143:1489 144:1003 145:348 146:2049 147:1828 148:2494 149:2549 150:1026 151:1342 152:2003 153:523 154:6445 155:1442 156:2301 157:1693 158:1115 159:2313 160:2637 161:1615 162:3574 163:1706 164:1643 165:2130 166:1122 167:1789 168:3908 169:793 170:4753 171:995 172:3815 173:3033 174:904 175:1200 176:3619 177:4640 178:3582 179:2256 180:2358 181:3688 182:3378 183:2037 184:2279 185:20683 186:4969 187:4503 188:4039 189:4138 190:9319 191:1445 192:10934 193:9051 194:7466 195:5254 196:3144 197:2458 198:5894 199:7603 200:7999 201:6326 202:10194 203:10144 204:4544 205:3715 206:4437 207:3372 208:4127 209:5012 210:4391 211:2487 212:4285 213:3413 214:1087 215:50 216:6758 217:2818 218:1311 219:409 220:1813 221:1032 222:697 223:2207 End of report