IPv4 R&E Routing Table Report 23:05 GMT Sat 18 Jan, 2025 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: 968983 Prefixes after maximum aggregation (per Origin AS): 370245 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472122 Number of IPv4 prefixes with a valid ROA: 522047 Number of IPv4 prefixes with an invalid ROA: 1233 Number of IPv4 prefixes with no ROA: 445703 Total ASes present in the Internet Routing Table: 76385 Prefixes per ASN: 12.69 Origin-only ASes present in the Internet Routing Table: 65550 Origin ASes announcing only one prefix: 26845 Transit ASes present in the Internet Routing Table: 10835 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1050 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 46101 Number of 32-bit ASNs visible in the Routing Table: 37618 Prefixes from 32-bit ASNs in the Routing Table: 197625 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: 506 Number of addresses announced to Internet: 3118223872 Equivalent to 185 /8s, 220 /16s and 82 /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: 317025 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254566 Total APNIC prefixes after maximum aggregation: 76094 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246464 Unique aggregates announced from the APNIC address blocks: 102463 APNIC Region origin ASes present in the Internet Routing Table: 14419 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4411 APNIC Region transit ASes present in the Internet Routing Table: 1931 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 54 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9938 Number of APNIC addresses announced to Internet: 757050112 Equivalent to 45 /8s, 31 /16s and 171 /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: 285130 Total ARIN prefixes after maximum aggregation: 126632 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286770 Unique aggregates announced from the ARIN address blocks: 134303 ARIN Region origin ASes present in the Internet Routing Table: 19161 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 7016 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: 5102 Number of ARIN addresses announced to Internet: 1346103552 Equivalent to 80 /8s, 59 /16s and 233 /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: 270118 Total RIPE prefixes after maximum aggregation: 131173 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267154 Unique aggregates announced from the RIPE address blocks: 170778 RIPE Region origin ASes present in the Internet Routing Table: 28820 RIPE Prefixes per ASN: 9.27 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 3943 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12196 Number of RIPE addresses announced to Internet: 733037056 Equivalent to 43 /8s, 177 /16s and 66 /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: 123771 Total LACNIC prefixes after maximum aggregation: 29014 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 121173 Unique aggregates announced from the LACNIC address blocks: 48863 LACNIC Region origin ASes present in the Internet Routing Table: 11184 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2501 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: 9118 Number of LACNIC addresses announced to Internet: 177475584 Equivalent to 10 /8s, 148 /16s and 16 /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: 34348 Total AfriNIC prefixes after maximum aggregation: 6664 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 46916 Unique aggregates announced from the AfriNIC address blocks: 15293 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 24.60 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1264 Number of AfriNIC addresses announced to Internet: 104297472 Equivalent to 6 /8s, 55 /16s and 116 /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 10310 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4272 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4112 526 278 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2823 846 547 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 434 195 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 12575 38854 3701 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4172 8762 883 COGENT-174, US 6327 3614 1320 81 SHAW, CA 22773 3382 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2899 3657 442 GOOGLE-CLOUD-PLATFORM, US 16625 2870 1234 2129 AKAMAI-AS, US 30036 2578 360 270 MEDIACOM-ENTERPRISE-BUSINESS, 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 7648 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3916 3395 125 AKAMAI-ASN1, NL 9009 3734 321 1897 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2369 361 578 TELLCOM-AS, TR 212238 1895 135 1400 CDNEXT, GB 8452 1615 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1498 99 751 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 11632 3228 603 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2535 538 368 Mega Cable, S.A. de C.V., MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 28573 1335 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1167 374 163 Axtel, S.A.B. de C.V., MX 11664 1151 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1111 371 22 Telefonica del Peru S.A.A., PE 22884 1075 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1683 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1541 97 109 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 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 12575 38854 3701 AMAZON-02, US 8151 11632 3228 603 UNINET, MX 9808 10310 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7648 1709 143 UNI2-AS, ES 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4272 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4172 8762 883 COGENT-174, 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 11632 11029 UNINET, MX 9808 10310 10223 CHINAMOBILE-CN China Mobile Communications Grou 12479 7648 7505 UNI2-AS, ES 7545 6199 5535 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4272 4249 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4145 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4112 3834 BBIL-AP BHARTI Airtel Ltd., IN 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, 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 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 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /11:93 /12:311 /13:587 /14:1218 /15:2145 /16:13941 /17:8200 /18:13619 /19:24456 /20:43706 /21:51762 /22:111820 /23:100407 /24:596644 /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 6612 7648 UNI2-AS, ES 8151 5829 11632 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3614 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2518 3382 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2245 12575 AMAZON-02, US 30036 2239 2578 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 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) ---------------------------------------------- 1:2293 2:1556 3:547 4:9 5:4494 6:165 7:6 8:1546 9:1 11:172 12:1387 13:353 14:2494 15:335 16:270 17:359 18:904 20:450 21:4 22:188 23:7203 24:2732 25:2 27:2678 29:19 31:3096 32:37 34:73 35:184 36:2398 37:4504 38:9035 39:894 40:154 41:4163 42:1959 43:2513 44:344 45:18112 46:4952 47:293 49:2003 50:1860 51:587 52:1571 54:307 55:1027 56:8 57:233 58:2208 59:1183 60:1160 61:2842 62:2916 63:1837 64:5406 65:2202 66:4603 67:3012 68:1168 69:3994 70:1102 71:603 72:2856 74:2773 75:1636 76:632 77:2600 78:1847 79:1712 80:2207 81:2047 82:1881 83:1415 84:1785 85:3267 86:988 87:2181 88:1274 89:4339 90:751 91:8309 92:2750 93:2871 94:3837 95:4155 96:1268 97:309 98:981 99:737 100:71 101:1373 102:3519 103:32351 104:4587 105:744 106:1022 107:2604 108:1181 109:4058 110:2226 111:3345 112:2041 113:1791 114:1935 115:2179 116:2024 117:2701 118:2864 119:1948 120:1868 121:1351 122:2727 123:2151 124:1588 125:2860 126:62 128:1574 129:937 130:1246 131:1857 132:802 133:450 134:1506 135:322 136:1333 137:1098 138:2885 139:1570 140:1517 141:1597 142:1815 143:1595 144:1033 145:469 146:2125 147:2043 148:2589 149:2833 150:1202 151:1640 152:2082 153:499 154:7811 155:1540 156:3374 157:1869 158:1253 159:2422 160:3497 161:1790 162:3641 163:1772 164:1681 165:2148 166:1330 167:1858 168:4084 169:783 170:5061 171:1000 172:3998 173:3176 174:916 175:1280 176:3593 177:4924 178:3737 179:2254 180:2528 181:3951 182:3359 183:2066 184:2265 185:21345 186:5075 187:4350 188:4235 189:4121 190:9585 191:1560 192:11214 193:9348 194:7698 195:5445 196:3195 197:3591 198:6003 199:8292 200:8129 201:6302 202:10297 203:10511 204:4524 205:3640 206:4605 207:3487 208:4202 209:5098 210:4528 211:2518 212:4515 213:3733 214:1048 215:42 216:6570 217:3083 218:1334 219:376 220:2097 221:1053 222:720 223:2306 End of report