IPv4 R&E Routing Table Report 23:05 GMT Wed 22 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: 969965 Prefixes after maximum aggregation (per Origin AS): 370735 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472652 Number of IPv4 prefixes with a valid ROA: 523116 Number of IPv4 prefixes with an invalid ROA: 955 Number of IPv4 prefixes with no ROA: 445894 Total ASes present in the Internet Routing Table: 76393 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 65544 Origin ASes announcing only one prefix: 26858 Transit ASes present in the Internet Routing Table: 10849 Transit-only ASes present in the Internet Routing Table: 514 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 204 Max AS path prepend of ASN (153261) 200 Prefixes from unregistered ASNs in the Routing Table: 1052 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 46044 Number of 32-bit ASNs visible in the Routing Table: 37642 Prefixes from 32-bit ASNs in the Routing Table: 198405 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: 3116568320 Equivalent to 185 /8s, 195 /16s and 15 /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: 317475 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254925 Total APNIC prefixes after maximum aggregation: 76275 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246477 Unique aggregates announced from the APNIC address blocks: 102537 APNIC Region origin ASes present in the Internet Routing Table: 14428 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4419 APNIC Region transit ASes present in the Internet Routing Table: 1938 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 204 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9951 Number of APNIC addresses announced to Internet: 755208448 Equivalent to 45 /8s, 3 /16s and 145 /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: 285278 Total ARIN prefixes after maximum aggregation: 126782 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286769 Unique aggregates announced from the ARIN address blocks: 134447 ARIN Region origin ASes present in the Internet Routing Table: 19168 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 7023 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 5111 Number of ARIN addresses announced to Internet: 1346187008 Equivalent to 80 /8s, 61 /16s and 47 /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: 270324 Total RIPE prefixes after maximum aggregation: 131292 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267452 Unique aggregates announced from the RIPE address blocks: 171069 RIPE Region origin ASes present in the Internet Routing Table: 28818 RIPE Prefixes per ASN: 9.28 RIPE Region origin ASes announcing only one prefix: 12074 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: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12203 Number of RIPE addresses announced to Internet: 733172480 Equivalent to 43 /8s, 179 /16s and 83 /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: 123848 Total LACNIC prefixes after maximum aggregation: 29028 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 121286 Unique aggregates announced from the LACNIC address blocks: 48825 LACNIC Region origin ASes present in the Internet Routing Table: 11181 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2510 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: 9110 Number of LACNIC addresses announced to Internet: 177418496 Equivalent to 10 /8s, 147 /16s and 49 /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: 34538 Total AfriNIC prefixes after maximum aggregation: 6701 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 47475 Unique aggregates announced from the AfriNIC address blocks: 15356 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 24.86 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 367 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: 1267 Number of AfriNIC addresses announced to Internet: 104321024 Equivalent to 6 /8s, 55 /16s and 208 /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 10337 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6201 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4228 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4157 528 278 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2825 846 548 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2223 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 12583 38852 3716 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 174 4191 8762 890 COGENT-174, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 6327 3615 1320 81 SHAW, CA 22773 3382 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2905 3657 444 GOOGLE-CLOUD-PLATFORM, US 16625 2874 1232 2137 AKAMAI-AS, US 30036 2574 358 270 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 7699 1711 144 UNI2-AS, ES 39891 4814 294 63 ALJAWWALSTC-AS, SA 20940 3898 3395 125 AKAMAI-ASN1, NL 9009 3736 321 1899 M247, RO 12389 2976 2300 886 ROSTELECOM-AS, RU 34984 2370 361 579 TELLCOM-AS, TR 212238 1901 136 1401 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1499 99 752 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 11645 3227 606 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2512 539 364 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 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 1154 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1105 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 1682 601 30 RAYA-AS, EG 24863 1649 389 19 LINKdotNET-AS, EG 29571 1545 97 105 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 971 179 275 INTERNET-SOLUTIONS, ZA 37069 867 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 549 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 12583 38852 3716 AMAZON-02, US 8151 11645 3227 606 UNINET, MX 9808 10337 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7699 1711 144 UNI2-AS, ES 7545 6201 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4814 294 63 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4228 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4191 8762 890 COGENT-174, US 7155 4176 287 86 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 11645 11039 UNINET, MX 9808 10337 10249 CHINAMOBILE-CN China Mobile Communications Grou 12479 7699 7555 UNI2-AS, ES 7545 6201 5538 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4814 4751 ALJAWWALSTC-AS, SA 18403 4228 4205 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 4157 3879 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 /12:310 /13:586 /14:1218 /15:2146 /16:13911 /17:8205 /18:13605 /19:24451 /20:43725 /21:51776 /22:111767 /23:100457 /24:597641 /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 6660 7699 UNI2-AS, ES 8151 5846 11645 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3505 4814 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2518 3382 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2241 12583 AMAZON-02, US 30036 2235 2574 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) ---------------------------------------------- 1:2297 2:1542 3:550 4:9 5:4531 6:165 7:6 8:1545 9:1 11:172 12:1384 13:352 14:2493 15:336 16:270 17:359 18:903 20:450 21:4 22:188 23:7214 24:2734 25:2 27:2712 29:19 31:3102 32:37 34:73 35:184 36:2400 37:4509 38:9063 39:893 40:151 41:4178 42:1933 43:2507 44:346 45:18242 46:4958 47:293 49:1992 50:1872 51:587 52:1571 54:307 55:1027 56:9 57:234 58:2206 59:1183 60:1161 61:2841 62:2927 63:1824 64:5482 65:2201 66:4602 67:3012 68:1165 69:4000 70:1102 71:604 72:2848 74:2776 75:1638 76:632 77:2603 78:1847 79:1722 80:2208 81:2046 82:1958 83:1407 84:1790 85:3278 86:992 87:2173 88:1274 89:4333 90:754 91:8322 92:2783 93:2879 94:3842 95:4157 96:1266 97:309 98:985 99:737 100:71 101:1374 102:3560 103:32381 104:4605 105:745 106:1014 107:2597 108:1184 109:4062 110:2225 111:3357 112:2042 113:1781 114:1932 115:2160 116:2026 117:2749 118:2868 119:1941 120:1869 121:1350 122:2725 123:2153 124:1596 125:2865 126:62 128:1581 129:943 130:1242 131:1869 132:802 133:451 134:1514 135:324 136:1334 137:1099 138:2891 139:1574 140:1523 141:1476 142:1832 143:1595 144:1036 145:464 146:2122 147:2052 148:2596 149:2839 150:1208 151:1659 152:2085 153:504 154:7982 155:1542 156:3500 157:1872 158:1258 159:2419 160:3510 161:1795 162:3642 163:1779 164:1692 165:2164 166:1335 167:1861 168:4091 169:786 170:5071 171:999 172:4028 173:3176 174:916 175:1280 176:3587 177:4930 178:3741 179:2188 180:2527 181:3941 182:3365 183:2056 184:2264 185:21366 186:5190 187:4383 188:4222 189:4102 190:9577 191:1548 192:11212 193:9343 194:7688 195:5450 196:3208 197:3600 198:6024 199:8288 200:8009 201:6365 202:10297 203:10504 204:4523 205:3632 206:4616 207:3482 208:4190 209:5103 210:4489 211:2516 212:4522 213:3740 214:1046 215:42 216:6592 217:3090 218:1334 219:372 220:2110 221:1053 222:718 223:2314 End of report