IPv4 R&E Routing Table Report 23:05 GMT Wed 18 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: 964297 Prefixes after maximum aggregation (per Origin AS): 368092 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 467553 Number of IPv4 prefixes with a valid ROA: 517847 Number of IPv4 prefixes with an invalid ROA: 1127 Number of IPv4 prefixes with no ROA: 445323 Total ASes present in the Internet Routing Table: 76337 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 65546 Origin ASes announcing only one prefix: 26809 Transit ASes present in the Internet Routing Table: 10791 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1044 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 45972 Number of 32-bit ASNs visible in the Routing Table: 37526 Prefixes from 32-bit ASNs in the Routing Table: 195716 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 485 Number of addresses announced to Internet: 3117793536 Equivalent to 185 /8s, 213 /16s and 193 /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: 316036 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252784 Total APNIC prefixes after maximum aggregation: 75616 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245256 Unique aggregates announced from the APNIC address blocks: 102413 APNIC Region origin ASes present in the Internet Routing Table: 14414 APNIC Prefixes per ASN: 17.02 APNIC Region origin ASes announcing only one prefix: 4394 APNIC Region transit ASes present in the Internet Routing Table: 1907 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: 9918 Number of APNIC addresses announced to Internet: 756402176 Equivalent to 45 /8s, 21 /16s and 200 /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: 284612 Total ARIN prefixes after maximum aggregation: 125599 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 286325 Unique aggregates announced from the ARIN address blocks: 131312 ARIN Region origin ASes present in the Internet Routing Table: 19150 ARIN Prefixes per ASN: 14.95 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1923 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5082 Number of ARIN addresses announced to Internet: 1345437440 Equivalent to 80 /8s, 49 /16s and 191 /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: 268712 Total RIPE prefixes after maximum aggregation: 130457 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265725 Unique aggregates announced from the RIPE address blocks: 170035 RIPE Region origin ASes present in the Internet Routing Table: 28812 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12163 Number of RIPE addresses announced to Internet: 734181888 Equivalent to 43 /8s, 194 /16s and 186 /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: 123071 Total LACNIC prefixes after maximum aggregation: 29174 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120568 Unique aggregates announced from the LACNIC address blocks: 48679 LACNIC Region origin ASes present in the Internet Routing Table: 11171 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2639 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: 9094 Number of LACNIC addresses announced to Internet: 177543424 Equivalent to 10 /8s, 149 /16s and 25 /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: 34074 Total AfriNIC prefixes after maximum aggregation: 6592 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 45938 Unique aggregates announced from the AfriNIC address blocks: 14707 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 24.06 AfriNIC Region origin ASes announcing only one prefix: 701 AfriNIC Region transit ASes present in the Internet Routing Table: 360 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1269 Number of AfriNIC addresses announced to Internet: 103972352 Equivalent to 6 /8s, 50 /16s and 126 /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 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6193 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4531 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4032 522 280 BBIL-AP BHARTI Airtel Ltd., IN 7552 3915 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2803 837 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2219 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 12496 38199 3000 AMAZON-02, US 11492 4691 312 558 CABLEONE, US 174 4252 8764 879 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3392 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3226 23507 2056 ATT-INTERNET4, US 396982 2893 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2825 1227 2111 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 7714 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3883 3395 125 AKAMAI-ASN1, NL 9009 3692 318 1866 M247, RO 12389 2954 2294 881 ROSTELECOM-AS, RU 34984 2348 360 576 TELLCOM-AS, TR 212238 1844 133 1359 CDNEXT, GB 8452 1627 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 11516 3227 605 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2540 542 372 Mega Cable, S.A. de C.V., MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1117 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 1647 389 16 LINKdotNET-AS, EG 24835 1628 593 29 RAYA-AS, EG 29571 1460 92 58 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 20011 967 179 271 INTERNET-SOLUTIONS, ZA 36935 870 520 40 Vodafone-, EG 37069 845 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 546 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 12496 38199 3000 AMAZON-02, US 8151 11516 3227 605 UNINET, MX 9808 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7714 1709 143 UNI2-AS, ES 7545 6193 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4691 312 558 CABLEONE, US 18403 4531 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4252 8764 879 COGENT-174, US 7155 4165 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 11516 10911 UNINET, MX 9808 10092 10004 CHINAMOBILE-CN China Mobile Communications Grou 12479 7714 7571 UNI2-AS, ES 7545 6193 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4531 4508 FPT-AS-AP FPT Telecom Company, VN 11492 4691 4133 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3915 3890 VIETEL-AS-AP Viettel Group, VN 20940 3883 3758 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 /12:311 /13:590 /14:1221 /15:2149 /16:13946 /17:8188 /18:13603 /19:24431 /20:43473 /21:51637 /22:111383 /23:99642 /24:593555 /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 6686 7714 UNI2-AS, ES 8151 5711 11516 UNINET, MX 11492 3555 4691 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2527 3392 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2260 12496 AMAZON-02, US 30036 2221 2560 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) ---------------------------------------------- 1:2298 2:1560 3:521 4:8 5:4479 6:165 7:6 8:1540 9:1 11:172 12:1395 13:361 14:2469 15:333 16:269 17:359 18:901 20:446 21:4 22:188 23:7148 24:2725 25:2 27:2660 29:19 31:3035 32:37 34:74 35:175 36:2391 37:4482 38:8956 39:879 40:149 41:4186 42:2145 43:2493 44:345 45:17845 46:4981 47:296 49:1989 50:1873 51:585 52:1574 54:316 55:1033 56:8 57:231 58:2207 59:1177 60:1154 61:2833 62:2874 63:1829 64:5409 65:2212 66:4616 67:3014 68:1287 69:3974 70:1110 71:596 72:2853 74:2778 75:1628 76:629 77:2544 78:1845 79:1691 80:2198 81:2033 82:1773 83:1398 84:1771 85:3186 86:975 87:2161 88:1262 89:4339 90:759 91:8238 92:2744 93:2834 94:3835 95:4183 96:1243 97:312 98:1064 99:731 100:71 101:1418 102:3445 103:32318 104:4422 105:744 106:1010 107:2605 108:1180 109:4037 110:2226 111:3312 112:2040 113:1810 114:1935 115:2165 116:2007 117:2686 118:2887 119:1956 120:1856 121:1331 122:2717 123:2159 124:1592 125:2816 126:62 128:1563 129:937 130:1256 131:1851 132:798 133:449 134:1504 135:327 136:1331 137:1098 138:2884 139:1546 140:1507 141:1443 142:1831 143:1586 144:1027 145:406 146:2115 147:2026 148:2578 149:2819 150:1161 151:1479 152:2110 153:500 154:7668 155:1567 156:2933 157:1852 158:1232 159:2428 160:3418 161:1743 162:3600 163:1779 164:1694 165:2151 166:1346 167:1856 168:4083 169:794 170:5062 171:992 172:3995 173:3180 174:913 175:1269 176:3554 177:4811 178:3712 179:2252 180:2524 181:3960 182:3357 183:2092 184:2259 185:21278 186:5054 187:4270 188:4207 189:4138 190:9628 191:1510 192:11191 193:9280 194:7674 195:5408 196:3201 197:3589 198:5964 199:8259 200:8054 201:6301 202:10254 203:10450 204:4612 205:3640 206:4616 207:3464 208:4201 209:5077 210:4481 211:2504 212:4493 213:3752 214:1061 215:48 216:6575 217:3081 218:1320 219:377 220:2109 221:1051 222:674 223:2288 End of report