IPv4 R&E Routing Table Report 23:05 GMT Sun 15 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: 964207 Prefixes after maximum aggregation (per Origin AS): 367943 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 467064 Number of IPv4 prefixes with a valid ROA: 516825 Number of IPv4 prefixes with an invalid ROA: 1121 Number of IPv4 prefixes with no ROA: 446261 Total ASes present in the Internet Routing Table: 76330 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 65549 Origin ASes announcing only one prefix: 26793 Transit ASes present in the Internet Routing Table: 10781 Transit-only ASes present in the Internet Routing Table: 504 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: 67 Max AS path prepend of ASN ( 37447) 63 Prefixes from unregistered ASNs in the Routing Table: 1047 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 45980 Number of 32-bit ASNs visible in the Routing Table: 37503 Prefixes from 32-bit ASNs in the Routing Table: 195573 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: 486 Number of addresses announced to Internet: 3116910080 Equivalent to 185 /8s, 200 /16s and 70 /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: 315865 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253179 Total APNIC prefixes after maximum aggregation: 75607 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245609 Unique aggregates announced from the APNIC address blocks: 102253 APNIC Region origin ASes present in the Internet Routing Table: 14407 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4393 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: 43 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9914 Number of APNIC addresses announced to Internet: 756069120 Equivalent to 45 /8s, 16 /16s and 179 /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: 284196 Total ARIN prefixes after maximum aggregation: 125533 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 285993 Unique aggregates announced from the ARIN address blocks: 131081 ARIN Region origin ASes present in the Internet Routing Table: 19157 ARIN Prefixes per ASN: 14.93 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1920 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: 5078 Number of ARIN addresses announced to Internet: 1344740864 Equivalent to 80 /8s, 39 /16s and 30 /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: 268646 Total RIPE prefixes after maximum aggregation: 130361 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265663 Unique aggregates announced from the RIPE address blocks: 169945 RIPE Region origin ASes present in the Internet Routing Table: 28807 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12107 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: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12154 Number of RIPE addresses announced to Internet: 734352640 Equivalent to 43 /8s, 197 /16s and 85 /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: 123126 Total LACNIC prefixes after maximum aggregation: 29194 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120625 Unique aggregates announced from the LACNIC address blocks: 48693 LACNIC Region origin ASes present in the Internet Routing Table: 11176 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2475 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9091 Number of LACNIC addresses announced to Internet: 177540352 Equivalent to 10 /8s, 149 /16s and 13 /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: 34013 Total AfriNIC prefixes after maximum aggregation: 6593 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 45831 Unique aggregates announced from the AfriNIC address blocks: 14684 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 24.05 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 103950592 Equivalent to 6 /8s, 50 /16s and 41 /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 4545 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3985 519 291 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 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 2812 838 547 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2217 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 12490 38018 2976 AMAZON-02, US 11492 4691 312 558 CABLEONE, US 174 4186 8764 878 COGENT-174, US 7155 4164 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3396 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3218 23506 2049 ATT-INTERNET4, US 396982 2891 3656 437 GOOGLE-CLOUD-PLATFORM, US 16625 2813 1227 2106 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 7707 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3871 3395 125 AKAMAI-ASN1, NL 9009 3699 318 1873 M247, RO 12389 2949 2294 879 ROSTELECOM-AS, RU 34984 2349 360 576 TELLCOM-AS, TR 212238 1822 131 1343 CDNEXT, GB 8452 1615 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 11505 3226 604 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2543 542 372 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 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1169 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1065 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 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 774 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 536 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 12490 38018 2976 AMAZON-02, US 8151 11505 3226 604 UNINET, MX 9808 10091 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7707 1709 143 UNI2-AS, ES 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4691 312 558 CABLEONE, US 18403 4545 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4186 8764 878 COGENT-174, US 7155 4164 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 11505 10901 UNINET, MX 9808 10091 10003 CHINAMOBILE-CN China Mobile Communications Grou 12479 7707 7564 UNI2-AS, ES 7545 6196 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4545 4522 FPT-AS-AP FPT Telecom Company, VN 11492 4691 4133 CABLEONE, US 7155 4164 4079 VIASAT-SP-BACKBONE, US 7552 3911 3886 VIETEL-AS-AP Viettel Group, VN 20940 3871 3746 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 /15:2148 /16:13906 /17:8173 /18:13608 /19:24455 /20:43601 /21:51752 /22:111546 /23:99872 /24:592857 /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 6683 7707 UNI2-AS, ES 8151 5709 11505 UNINET, MX 11492 3555 4691 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3112 4164 VIASAT-SP-BACKBONE, US 22773 2531 3396 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2268 12490 AMAZON-02, US 30036 2220 2559 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 2:1549 3:525 4:8 5:4471 6:166 7:6 8:1544 9:1 11:172 12:1393 13:361 14:2470 15:333 16:270 17:357 18:905 20:446 21:4 22:188 23:7073 24:2738 25:2 27:2660 29:19 31:3041 32:37 34:74 35:177 36:2388 37:4469 38:8733 39:879 40:149 41:4171 42:2147 43:2478 44:343 45:17883 46:4959 47:297 49:1996 50:1858 51:586 52:1574 54:315 55:1035 56:8 57:231 58:2225 59:1180 60:1154 61:2805 62:2873 63:1826 64:5408 65:2218 66:4635 67:3029 68:1288 69:3977 70:1112 71:594 72:2854 74:2780 75:1634 76:632 77:2542 78:1844 79:1682 80:2195 81:2030 82:1768 83:1394 84:1766 85:3189 86:974 87:2157 88:1263 89:4345 90:747 91:8245 92:2725 93:2825 94:3836 95:4189 96:1246 97:313 98:1065 99:731 100:71 101:1401 102:3445 103:32314 104:4434 105:728 106:1010 107:2443 108:1183 109:4044 110:2231 111:3307 112:2039 113:1791 114:1899 115:2170 116:2010 117:2720 118:2883 119:1957 120:1857 121:1326 122:2726 123:2155 124:1589 125:2845 126:62 128:1530 129:934 130:1254 131:1864 132:798 133:449 134:1508 135:327 136:1336 137:1098 138:2879 139:1539 140:1508 141:1448 142:1848 143:1598 144:1024 145:406 146:2115 147:2026 148:2571 149:2815 150:1163 151:1481 152:2111 153:499 154:7584 155:1566 156:2941 157:1853 158:1220 159:2429 160:3408 161:1743 162:3604 163:1778 164:1692 165:2145 166:1343 167:1857 168:4063 169:793 170:5058 171:1001 172:3975 173:3171 174:916 175:1270 176:3553 177:4871 178:3704 179:2224 180:2539 181:3962 182:3343 183:2086 184:2256 185:21265 186:5032 187:4243 188:4209 189:4133 190:9622 191:1520 192:11154 193:9281 194:7678 195:5408 196:3198 197:3588 198:5933 199:8265 200:8059 201:6319 202:10242 203:10434 204:4608 205:3647 206:4622 207:3476 208:4212 209:5082 210:4486 211:2511 212:4490 213:3744 214:1055 215:48 216:6570 217:3087 218:1308 219:373 220:2104 221:1052 222:707 223:2287 End of report