IPv4 R&E Routing Table Report 23:05 GMT Mon 09 Dec, 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: 962351 Prefixes after maximum aggregation (per Origin AS): 368561 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 472242 Number of IPv4 prefixes with a valid ROA: 514615 Number of IPv4 prefixes with an invalid ROA: 1135 Number of IPv4 prefixes with no ROA: 446601 Total ASes present in the Internet Routing Table: 76300 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 65508 Origin ASes announcing only one prefix: 26806 Transit ASes present in the Internet Routing Table: 10792 Transit-only ASes present in the Internet Routing Table: 514 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: 63 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1023 Number of instances of unregistered ASNs: 1035 Number of 32-bit ASNs allocated by the RIRs: 45981 Number of 32-bit ASNs visible in the Routing Table: 37455 Prefixes from 32-bit ASNs in the Routing Table: 195122 Number of bogon 32-bit ASNs visible in the Routing Table: 41 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 465 Number of addresses announced to Internet: 3025151232 Equivalent to 180 /8s, 80 /16s and 37 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 315703 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253255 Total APNIC prefixes after maximum aggregation: 75431 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245703 Unique aggregates announced from the APNIC address blocks: 102039 APNIC Region origin ASes present in the Internet Routing Table: 14387 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4398 APNIC Region transit ASes present in the Internet Routing Table: 1919 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9898 Number of APNIC addresses announced to Internet: 755421184 Equivalent to 45 /8s, 6 /16s and 208 /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: 282425 Total ARIN prefixes after maximum aggregation: 126507 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284800 Unique aggregates announced from the ARIN address blocks: 136433 ARIN Region origin ASes present in the Internet Routing Table: 19156 ARIN Prefixes per ASN: 14.87 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1917 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: 5073 Number of ARIN addresses announced to Internet: 1266091008 Equivalent to 75 /8s, 119 /16s and 4 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268578 Total RIPE prefixes after maximum aggregation: 130266 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265436 Unique aggregates announced from the RIPE address blocks: 169668 RIPE Region origin ASes present in the Internet Routing Table: 28799 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12109 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12142 Number of RIPE addresses announced to Internet: 721915392 Equivalent to 43 /8s, 7 /16s and 142 /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, 53/8, 57/8, 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: 122922 Total LACNIC prefixes after maximum aggregation: 29147 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120443 Unique aggregates announced from the LACNIC address blocks: 48700 LACNIC Region origin ASes present in the Internet Routing Table: 11164 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2483 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9079 Number of LACNIC addresses announced to Internet: 177493760 Equivalent to 10 /8s, 148 /16s and 87 /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: 34148 Total AfriNIC prefixes after maximum aggregation: 6576 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 45504 Unique aggregates announced from the AfriNIC address blocks: 15012 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 23.86 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 63 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1263 Number of AfriNIC addresses announced to Internet: 103980544 Equivalent to 6 /8s, 50 /16s and 158 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10095 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4631 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3965 518 287 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3679 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2808 837 544 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2218 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 11095 12133 3949 AMAZON-02, US 11492 4679 311 553 CABLEONE, US 174 4184 8763 879 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3399 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3207 23505 2037 ATT-INTERNET4, US 396982 2887 3655 434 GOOGLE-CLOUD-PLATFORM, US 16625 2827 1231 2114 AKAMAI-AS, 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 7734 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3873 3395 125 AKAMAI-ASN1, NL 9009 3684 317 1872 M247, RO 12389 2950 2294 879 ROSTELECOM-AS, RU 34984 2342 360 575 TELLCOM-AS, TR 212238 1823 132 1344 CDNEXT, GB 8452 1613 1852 22 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1494 98 748 CLOUVIDER Clouvider - Global ASN, 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 11506 3226 604 UNINET, MX 10620 3543 494 943 Telmex Colombia S.A., CO 13999 2536 538 370 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 778 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1169 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 371 22 Telefonica del Peru S.A.A., PE 22884 1069 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 998 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 1649 593 29 RAYA-AS, EG 24863 1636 389 16 LINKdotNET-AS, EG 29571 1447 91 59 ORANGE-COTE-IVOIRE, CI 36992 1427 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 971 173 266 INTERNET-SOLUTIONS, ZA 37069 862 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 550 82 3 KENET-AS, KE 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 11506 3226 604 UNINET, MX 16509 11095 12133 3949 AMAZON-02, US 9808 10095 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7734 1709 143 UNI2-AS, ES 7545 6196 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4679 311 553 CABLEONE, US 18403 4631 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4184 8763 879 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 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 10095 10008 CHINAMOBILE-CN China Mobile Communications Grou 12479 7734 7591 UNI2-AS, ES 16509 11095 7146 AMAZON-02, US 7545 6196 5534 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4631 4608 FPT-AS-AP FPT Telecom Company, VN 11492 4679 4126 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3911 3886 VIETEL-AS-AP Viettel Group, VN 20940 3873 3748 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-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.154.248.0/24 Origin: 54641 IMH-IAD, US 23.154.248.0/24 Transit: 3257 GTT-BACKBONE GTT, US 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 /9:16 /10:36 /11:91 /12:295 /13:572 /14:1166 /15:2050 /16:13116 /17:8134 /18:13536 /19:24278 /20:43865 /21:51765 /22:111501 /23:99687 /24:592227 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6716 7734 UNI2-AS, ES 8151 5703 11506 UNINET, MX 11492 3555 4679 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2534 3399 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2262 11095 AMAZON-02, US 30036 2210 2550 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2173 3543 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) ---------------------------------------------- 1:2302 2:1550 3:524 4:8 5:4472 6:166 7:6 8:1545 9:1 11:172 12:1394 13:368 14:2464 15:334 16:270 17:358 18:904 20:444 21:4 22:188 23:7063 24:2741 25:2 27:2661 29:19 31:3043 32:37 34:73 35:177 36:2389 37:4432 38:8707 39:878 40:149 41:4157 42:2212 43:2468 44:345 45:17792 46:4945 47:297 49:1993 50:1852 51:586 52:1573 54:316 55:1027 56:8 57:231 58:2236 59:1179 60:1153 61:2802 62:2875 63:1827 64:5402 65:2274 66:4642 67:3022 68:1288 69:3977 70:1113 71:591 72:2856 74:2780 75:1639 76:633 77:2559 78:1848 79:1663 80:2170 81:2032 82:1766 83:1396 84:1769 85:3184 86:972 87:2161 88:1257 89:4334 90:746 91:8249 92:2724 93:2846 94:3842 95:4189 96:1250 97:313 98:1067 99:734 100:71 101:1419 102:3440 103:32240 104:4433 105:729 106:1002 107:2439 108:1189 109:4019 110:2230 111:3311 112:2039 113:1801 114:1932 115:2176 116:1992 117:2717 118:2879 119:1963 120:1858 121:1331 122:2725 123:2154 124:1596 125:2839 126:62 128:1530 129:937 130:1245 131:1868 132:799 133:448 134:1508 135:325 136:1336 137:1125 138:2871 139:1536 140:1504 141:1447 142:1845 143:1602 144:1024 145:402 146:2112 147:2039 148:2577 149:2815 150:1162 151:1468 152:2108 153:499 154:7325 155:1568 156:2775 157:1846 158:1221 159:2430 160:3378 161:1741 162:3591 163:1775 164:1694 165:2149 166:1345 167:1858 168:4096 169:786 170:5051 171:997 172:3966 173:3160 174:917 175:1275 176:3551 177:4857 178:3708 179:2236 180:2539 181:3948 182:3359 183:2091 184:2258 185:21258 186:5032 187:4237 188:4204 189:4121 190:9628 191:1514 192:11143 193:9281 194:7663 195:5398 196:3210 197:3615 198:5924 199:8252 200:8093 201:6311 202:10228 203:10432 204:4616 205:3652 206:4583 207:3486 208:4221 209:5088 210:4506 211:2519 212:4481 213:3686 214:1055 215:48 216:6560 217:3096 218:1306 219:387 220:2095 221:1051 222:712 223:2319 End of report