IPv4 R&E Routing Table Report 23:05 GMT Sun 29 Sep, 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: 953264 Prefixes after maximum aggregation (per Origin AS): 365293 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467100 Number of IPv4 prefixes with a valid ROA: 500724 Number of IPv4 prefixes with an invalid ROA: 1319 Number of IPv4 prefixes with no ROA: 451221 Total ASes present in the Internet Routing Table: 76033 Prefixes per ASN: 12.54 Origin-only ASes present in the Internet Routing Table: 65298 Origin ASes announcing only one prefix: 26813 Transit ASes present in the Internet Routing Table: 10735 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 956 Number of instances of unregistered ASNs: 969 Number of 32-bit ASNs allocated by the RIRs: 45458 Number of 32-bit ASNs visible in the Routing Table: 37063 Prefixes from 32-bit ASNs in the Routing Table: 192175 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3031478272 Equivalent to 180 /8s, 176 /16s and 176 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312918 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251972 Total APNIC prefixes after maximum aggregation: 74748 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243723 Unique aggregates announced from the APNIC address blocks: 100753 APNIC Region origin ASes present in the Internet Routing Table: 14272 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4349 APNIC Region transit ASes present in the Internet Routing Table: 1896 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9757 Number of APNIC addresses announced to Internet: 758803968 Equivalent to 45 /8s, 58 /16s and 110 /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: 278983 Total ARIN prefixes after maximum aggregation: 125972 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 282469 Unique aggregates announced from the ARIN address blocks: 135501 ARIN Region origin ASes present in the Internet Routing Table: 19109 ARIN Prefixes per ASN: 14.78 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4993 Number of ARIN addresses announced to Internet: 1267197952 Equivalent to 75 /8s, 135 /16s and 232 /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: 266801 Total RIPE prefixes after maximum aggregation: 128938 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263436 Unique aggregates announced from the RIPE address blocks: 167586 RIPE Region origin ASes present in the Internet Routing Table: 28731 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12144 RIPE Region transit ASes present in the Internet Routing Table: 3923 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12010 Number of RIPE addresses announced to Internet: 723370496 Equivalent to 43 /8s, 29 /16s and 194 /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: 122360 Total LACNIC prefixes after maximum aggregation: 28761 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120146 Unique aggregates announced from the LACNIC address blocks: 48546 LACNIC Region origin ASes present in the Internet Routing Table: 11155 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2482 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: 9061 Number of LACNIC addresses announced to Internet: 177605632 Equivalent to 10 /8s, 150 /16s and 12 /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: 32192 Total AfriNIC prefixes after maximum aggregation: 6250 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 42965 Unique aggregates announced from the AfriNIC address blocks: 14274 AfriNIC Region origin ASes present in the Internet Routing Table: 1879 AfriNIC Prefixes per ASN: 22.87 AfriNIC Region origin ASes announcing only one prefix: 680 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1242 Number of AfriNIC addresses announced to Internet: 104216064 Equivalent to 6 /8s, 54 /16s and 54 /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 10050 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5833 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4407 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3990 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3807 508 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3649 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2831 851 465 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 197 TATACOMM-AS TATA Communications formerly 45090 2208 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 10799 11828 3816 AMAZON-02, US 11492 4648 309 549 CABLEONE, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 174 3912 8772 902 COGENT-174, US 6327 3601 1320 79 SHAW, CA 749 3485 55081 2708 DNIC-AS-00749, US 22773 3427 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3170 23693 1964 ATT-INTERNET4, US 396982 2831 3603 416 GOOGLE-CLOUD-PLATFORM, US 16625 2791 1234 2103 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 7628 1708 145 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3788 3395 125 AKAMAI-ASN1, NL 9009 3682 315 1871 M247, RO 12389 2935 2295 885 ROSTELECOM-AS, RU 34984 2329 357 580 TELLCOM-AS, TR 212238 1800 130 1332 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1543 1852 14 TE-AS TE-AS, EG 8551 1470 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11557 3245 504 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2552 534 365 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 22884 1068 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1047 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 1619 593 29 RAYA-AS, EG 24863 1614 389 18 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1340 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 974 523 47 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 37342 516 32 1 MOVITEL, MZ 36914 515 82 3 KENET-AS, KE 15399 511 57 58 WANANCHI-, 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 11557 3245 504 UNINET, MX 16509 10799 11828 3816 AMAZON-02, US 9808 10050 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7628 1708 145 UNI2-AS, ES 7545 5833 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4648 309 549 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 18403 4407 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4165 287 85 VIASAT-SP-BACKBONE, US 7552 3990 1331 25 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 10050 9981 CHINAMOBILE-CN China Mobile Communications Grou 12479 7628 7483 UNI2-AS, ES 16509 10799 6983 AMAZON-02, US 7545 5833 5175 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4407 4384 FPT-AS-AP FPT Telecom Company, VN 11492 4648 4099 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3990 3965 VIETEL-AS-AP Viettel Group, VN 20940 3788 3663 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 203727 UNALLOCATED 5.42.92.0/24 215826 PARTNER-HOSTING-LTD, GB 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 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 /11:92 /12:295 /13:576 /14:1170 /15:2058 /16:13181 /17:8136 /18:13606 /19:24262 /20:43401 /21:51542 /22:111121 /23:99539 /24:584209 /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 6675 7628 UNI2-AS, ES 8151 5720 11557 UNINET, MX 11492 3553 4648 CABLEONE, US 6327 3396 3601 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3109 4165 VIASAT-SP-BACKBONE, US 22773 2561 3427 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2221 10799 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2164 2502 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2276 2:1522 3:482 4:8 5:4510 6:163 7:6 8:1506 9:1 11:172 12:1422 13:368 14:2392 15:328 16:264 17:361 18:888 20:409 21:4 22:188 23:6842 24:2655 25:2 27:2634 29:19 31:2777 32:44 34:68 35:139 36:2354 37:4520 38:8610 39:918 40:154 41:4124 42:2075 43:2416 44:333 45:17498 46:4633 47:299 49:1996 50:1864 51:580 52:1577 54:317 55:952 56:8 57:219 58:2172 59:1199 60:1082 61:2768 62:2776 63:1840 64:5446 65:2265 66:4658 67:3006 68:1295 69:3998 70:1142 71:567 72:2836 74:2780 75:1623 76:611 77:2558 78:1864 79:1645 80:2193 81:2013 82:1700 83:1368 84:1748 85:3090 86:1009 87:2117 88:1254 89:4323 90:669 91:8255 92:2587 93:2804 94:3800 95:4281 96:1264 97:316 98:1071 99:737 100:74 101:1164 102:3391 103:32227 104:4460 105:707 106:985 107:2391 108:1154 109:3963 110:2169 111:3310 112:2051 113:1765 114:1895 115:2100 116:1960 117:2680 118:2867 119:1989 120:1876 121:1350 122:2691 123:2138 124:1620 125:2829 126:64 128:1380 129:929 130:1216 131:1834 132:812 133:444 134:1517 135:310 136:1196 137:1066 138:2833 139:1514 140:1455 141:1429 142:1755 143:1604 144:1024 145:372 146:2070 147:2038 148:2550 149:2796 150:1068 151:1367 152:2099 153:499 154:6552 155:1498 156:2545 157:1820 158:1195 159:2442 160:3134 161:1726 162:3555 163:1756 164:1935 165:2138 166:1310 167:1839 168:4026 169:781 170:4946 171:1036 172:3907 173:3098 174:903 175:1260 176:3456 177:4868 178:3589 179:2206 180:2434 181:3906 182:3319 183:2053 184:2259 185:21069 186:5019 187:4269 188:4178 189:4094 190:9637 191:1512 192:11056 193:9248 194:7575 195:5401 196:3229 197:2709 198:5904 199:8079 200:8052 201:6372 202:10221 203:10372 204:4558 205:3649 206:4443 207:3555 208:4139 209:5096 210:4497 211:2565 212:4460 213:3658 214:1067 215:61 216:6585 217:2935 218:1330 219:392 220:2052 221:1047 222:716 223:2242 End of report