IPv4 R&E Routing Table Report 23:05 GMT Tue 21 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: 969337 Prefixes after maximum aggregation (per Origin AS): 370677 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472457 Number of IPv4 prefixes with a valid ROA: 522578 Number of IPv4 prefixes with an invalid ROA: 960 Number of IPv4 prefixes with no ROA: 445799 Total ASes present in the Internet Routing Table: 76381 Prefixes per ASN: 12.69 Origin-only ASes present in the Internet Routing Table: 65552 Origin ASes announcing only one prefix: 26847 Transit ASes present in the Internet Routing Table: 10829 Transit-only ASes present in the Internet Routing Table: 512 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: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 46055 Number of 32-bit ASNs visible in the Routing Table: 37629 Prefixes from 32-bit ASNs in the Routing Table: 197984 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: 507 Number of addresses announced to Internet: 3115789568 Equivalent to 185 /8s, 183 /16s and 45 /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: 317214 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254527 Total APNIC prefixes after maximum aggregation: 76163 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246338 Unique aggregates announced from the APNIC address blocks: 102448 APNIC Region origin ASes present in the Internet Routing Table: 14422 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4408 APNIC Region transit ASes present in the Internet Routing Table: 1935 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: 9944 Number of APNIC addresses announced to Internet: 755188224 Equivalent to 45 /8s, 3 /16s and 66 /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: 285412 Total ARIN prefixes after maximum aggregation: 126751 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286898 Unique aggregates announced from the ARIN address blocks: 134393 ARIN Region origin ASes present in the Internet Routing Table: 19162 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 7011 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: 5106 Number of ARIN addresses announced to Internet: 1346042112 Equivalent to 80 /8s, 58 /16s and 249 /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: 270428 Total RIPE prefixes after maximum aggregation: 131258 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267526 Unique aggregates announced from the RIPE address blocks: 170961 RIPE Region origin ASes present in the Internet Routing Table: 28816 RIPE Prefixes per ASN: 9.28 RIPE Region origin ASes announcing only one prefix: 12072 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: 12199 Number of RIPE addresses announced to Internet: 733147392 Equivalent to 43 /8s, 178 /16s and 241 /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: 123597 Total LACNIC prefixes after maximum aggregation: 29155 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 121020 Unique aggregates announced from the LACNIC address blocks: 48839 LACNIC Region origin ASes present in the Internet Routing Table: 11184 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2494 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: 9114 Number of LACNIC addresses announced to Internet: 176952832 Equivalent to 10 /8s, 140 /16s and 22 /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: 34316 Total AfriNIC prefixes after maximum aggregation: 6688 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 47048 Unique aggregates announced from the AfriNIC address blocks: 15397 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 24.66 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 368 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: 1266 Number of AfriNIC addresses announced to Internet: 104197888 Equivalent to 6 /8s, 53 /16s and 239 /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 10326 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6199 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4242 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4156 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 2824 846 547 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 12581 38853 3713 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 174 4210 8762 893 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 2902 3657 443 GOOGLE-CLOUD-PLATFORM, US 16625 2877 1233 2139 AKAMAI-AS, US 30036 2572 358 281 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 7641 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3915 3395 125 AKAMAI-ASN1, NL 9009 3735 321 1898 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2369 361 578 TELLCOM-AS, TR 212238 1896 135 1400 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 11646 3228 597 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2535 538 368 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 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1109 371 22 Telefonica del Peru S.A.A., PE 22884 1075 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1005 278 33 Techtel LMDS Comunicaciones Interactivas 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 1541 97 104 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 840 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 548 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 12581 38853 3713 AMAZON-02, US 8151 11646 3228 597 UNINET, MX 9808 10326 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7641 1709 143 UNI2-AS, ES 7545 6199 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4242 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4210 8762 893 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 11646 11049 UNINET, MX 9808 10326 10238 CHINAMOBILE-CN China Mobile Communications Grou 12479 7641 7498 UNI2-AS, ES 7545 6199 5537 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4242 4219 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 4156 3878 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 /16:13901 /17:8205 /18:13603 /19:24448 /20:43689 /21:51787 /22:111811 /23:100389 /24:597077 /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 6603 7641 UNI2-AS, ES 8151 5843 11646 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3441 4750 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 12581 AMAZON-02, US 30036 2233 2572 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 2:1557 3:549 4:9 5:4593 6:165 7:6 8:1545 9:1 11:172 12:1387 13:352 14:2495 15:336 16:270 17:360 18:903 20:450 21:4 22:188 23:7214 24:2734 25:2 27:2708 29:19 31:3102 32:37 34:73 35:184 36:2400 37:4506 38:9068 39:893 40:151 41:4136 42:1939 43:2507 44:345 45:18095 46:4964 47:293 49:1990 50:1868 51:587 52:1570 54:307 55:1028 56:8 57:233 58:2208 59:1183 60:1161 61:2840 62:2932 63:1826 64:5416 65:2202 66:4608 67:3011 68:1165 69:3996 70:1102 71:603 72:2853 74:2775 75:1639 76:632 77:2603 78:1846 79:1721 80:2205 81:2046 82:1926 83:1413 84:1790 85:3275 86:992 87:2173 88:1274 89:4364 90:745 91:8326 92:2760 93:2881 94:3842 95:4155 96:1267 97:309 98:981 99:737 100:71 101:1372 102:3519 103:32356 104:4604 105:745 106:1014 107:2601 108:1184 109:4067 110:2225 111:3310 112:2042 113:1791 114:1932 115:2130 116:2027 117:2745 118:2867 119:1948 120:1869 121:1350 122:2725 123:2154 124:1588 125:2863 126:62 128:1574 129:894 130:1247 131:1857 132:801 133:451 134:1505 135:324 136:1334 137:1100 138:2885 139:1574 140:1521 141:1610 142:1832 143:1599 144:1035 145:466 146:2125 147:2046 148:2597 149:2838 150:1203 151:1665 152:2086 153:504 154:7905 155:1543 156:3460 157:1874 158:1256 159:2421 160:3510 161:1791 162:3641 163:1776 164:1693 165:2153 166:1330 167:1865 168:4083 169:782 170:5078 171:1000 172:4017 173:3172 174:916 175:1283 176:3594 177:4969 178:3742 179:2218 180:2527 181:3947 182:3366 183:2058 184:2263 185:21360 186:5106 187:4338 188:4229 189:4092 190:9581 191:1517 192:11218 193:9356 194:7692 195:5443 196:3213 197:3591 198:6020 199:8283 200:8025 201:6313 202:10295 203:10483 204:4526 205:3627 206:4616 207:3485 208:4195 209:5104 210:4489 211:2515 212:4520 213:3744 214:1052 215:42 216:6580 217:3087 218:1334 219:372 220:2108 221:1053 222:718 223:2305 End of report