IPv4 R&E Routing Table Report 23:05 GMT Thu 12 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: 964305 Prefixes after maximum aggregation (per Origin AS): 367863 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 466991 Number of IPv4 prefixes with a valid ROA: 516784 Number of IPv4 prefixes with an invalid ROA: 1103 Number of IPv4 prefixes with no ROA: 446418 Total ASes present in the Internet Routing Table: 76306 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 65519 Origin ASes announcing only one prefix: 26786 Transit ASes present in the Internet Routing Table: 10787 Transit-only ASes present in the Internet Routing Table: 507 Paths with bogon ASNs present in the IPv4 Routing Table: 13 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: 1049 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 45972 Number of 32-bit ASNs visible in the Routing Table: 37483 Prefixes from 32-bit ASNs in the Routing Table: 195496 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 487 Number of addresses announced to Internet: 3116870400 Equivalent to 185 /8s, 199 /16s and 171 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 315726 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253455 Total APNIC prefixes after maximum aggregation: 75557 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245933 Unique aggregates announced from the APNIC address blocks: 102248 APNIC Region origin ASes present in the Internet Routing Table: 14400 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4392 APNIC Region transit ASes present in the Internet Routing Table: 1921 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: 9909 Number of APNIC addresses announced to Internet: 756187392 Equivalent to 45 /8s, 18 /16s and 129 /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: 284242 Total ARIN prefixes after maximum aggregation: 125532 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286021 Unique aggregates announced from the ARIN address blocks: 131038 ARIN Region origin ASes present in the Internet Routing Table: 19147 ARIN Prefixes per ASN: 14.94 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 5072 Number of ARIN addresses announced to Internet: 1344694016 Equivalent to 80 /8s, 38 /16s and 103 /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: 268513 Total RIPE prefixes after maximum aggregation: 130355 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265517 Unique aggregates announced from the RIPE address blocks: 169882 RIPE Region origin ASes present in the Internet Routing Table: 28800 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12108 RIPE Region transit ASes present in the Internet Routing Table: 3941 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12152 Number of RIPE addresses announced to Internet: 734239488 Equivalent to 43 /8s, 195 /16s and 155 /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: 123060 Total LACNIC prefixes after maximum aggregation: 29154 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120565 Unique aggregates announced from the LACNIC address blocks: 48688 LACNIC Region origin ASes present in the Internet Routing Table: 11169 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2474 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: 9084 Number of LACNIC addresses announced to Internet: 177537280 Equivalent to 10 /8s, 149 /16s and 1 /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: 33986 Total AfriNIC prefixes after maximum aggregation: 6609 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 45782 Unique aggregates announced from the AfriNIC address blocks: 14726 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 23.98 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 365 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 63 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 103955456 Equivalent to 6 /8s, 50 /16s and 60 /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 10091 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4611 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3973 518 290 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2809 837 545 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 12526 38020 2997 AMAZON-02, US 11492 4681 311 555 CABLEONE, US 174 4181 8763 876 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3397 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3217 23506 2048 ATT-INTERNET4, US 396982 2891 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2815 1228 2107 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 7709 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3875 3395 125 AKAMAI-ASN1, NL 9009 3702 318 1876 M247, RO 12389 2949 2294 879 ROSTELECOM-AS, RU 34984 2335 360 576 TELLCOM-AS, TR 212238 1821 131 1342 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1495 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 11517 3226 604 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2540 540 372 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 1326 778 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1169 374 163 Axtel, S.A.B. de C.V., MX 6147 1113 371 22 Telefonica del Peru S.A.A., PE 22884 1066 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1002 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 24863 1650 389 16 LINKdotNET-AS, EG 24835 1649 593 29 RAYA-AS, EG 29571 1448 92 58 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 965 179 271 INTERNET-SOLUTIONS, ZA 37069 834 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 545 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 16509 12526 38020 2997 AMAZON-02, US 8151 11517 3226 604 UNINET, MX 9808 10091 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7709 1709 143 UNI2-AS, ES 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4681 311 555 CABLEONE, US 18403 4611 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4181 8763 876 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 8151 11517 10913 UNINET, MX 9808 10091 10003 CHINAMOBILE-CN China Mobile Communications Grou 12479 7709 7566 UNI2-AS, ES 7545 6196 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4611 4588 FPT-AS-AP FPT Telecom Company, VN 11492 4681 4126 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 20940 3875 3750 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 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 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /10:42 /11:94 /12:312 /13:588 /14:1221 /15:2149 /16:13902 /17:8136 /18:13611 /19:24456 /20:43753 /21:51797 /22:111487 /23:99774 /24:592951 /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 6685 7709 UNI2-AS, ES 8151 5711 11517 UNINET, MX 11492 3555 4681 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2532 3397 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2277 12526 AMAZON-02, US 30036 2216 2556 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 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) ---------------------------------------------- 1:2304 2:1550 3:525 4:8 5:4471 6:166 7:6 8:1543 9:1 11:172 12:1399 13:363 14:2475 15:334 16:270 17:358 18:907 20:446 21:4 22:188 23:7069 24:2736 25:2 27:2658 29:19 31:3055 32:37 34:73 35:177 36:2390 37:4468 38:8744 39:880 40:149 41:4162 42:2199 43:2474 44:344 45:17877 46:4956 47:296 49:2001 50:1860 51:586 52:1574 54:315 55:1037 56:8 57:231 58:2231 59:1182 60:1153 61:2810 62:2878 63:1827 64:5400 65:2268 66:4636 67:3027 68:1288 69:3974 70:1112 71:592 72:2852 74:2770 75:1638 76:632 77:2545 78:1846 79:1674 80:2188 81:2030 82:1760 83:1393 84:1767 85:3200 86:977 87:2153 88:1264 89:4339 90:747 91:8244 92:2721 93:2807 94:3849 95:4183 96:1245 97:313 98:1065 99:732 100:71 101:1420 102:3456 103:32294 104:4435 105:729 106:1002 107:2442 108:1187 109:4039 110:2228 111:3308 112:2039 113:1799 114:1933 115:2169 116:2008 117:2720 118:2883 119:1959 120:1857 121:1333 122:2726 123:2156 124:1591 125:2849 126:62 128:1517 129:935 130:1260 131:1872 132:799 133:449 134:1507 135:325 136:1336 137:1106 138:2872 139:1533 140:1507 141:1445 142:1843 143:1593 144:1026 145:405 146:2116 147:2029 148:2580 149:2807 150:1160 151:1464 152:2107 153:499 154:7580 155:1572 156:2932 157:1855 158:1220 159:2432 160:3397 161:1742 162:3599 163:1778 164:1695 165:2149 166:1342 167:1859 168:4076 169:790 170:5064 171:1000 172:3978 173:3165 174:917 175:1277 176:3551 177:4847 178:3721 179:2240 180:2540 181:3962 182:3355 183:2094 184:2257 185:21252 186:5020 187:4259 188:4205 189:4132 190:9626 191:1513 192:11147 193:9284 194:7663 195:5400 196:3201 197:3581 198:5932 199:8264 200:8060 201:6314 202:10239 203:10432 204:4622 205:3642 206:4619 207:3465 208:4197 209:5074 210:4501 211:2522 212:4493 213:3746 214:1060 215:48 216:6567 217:3070 218:1308 219:387 220:2104 221:1051 222:714 223:2285 End of report