IPv4 R&E Routing Table Report 23:05 GMT Thu 09 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: 969047 Prefixes after maximum aggregation (per Origin AS): 370111 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 470410 Number of IPv4 prefixes with a valid ROA: 522382 Number of IPv4 prefixes with an invalid ROA: 1101 Number of IPv4 prefixes with no ROA: 445564 Total ASes present in the Internet Routing Table: 76353 Prefixes per ASN: 12.69 Origin-only ASes present in the Internet Routing Table: 65501 Origin ASes announcing only one prefix: 26841 Transit ASes present in the Internet Routing Table: 10852 Transit-only ASes present in the Internet Routing Table: 512 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: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1062 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 45996 Number of 32-bit ASNs visible in the Routing Table: 37574 Prefixes from 32-bit ASNs in the Routing Table: 196897 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: 503 Number of addresses announced to Internet: 3119497984 Equivalent to 185 /8s, 239 /16s and 195 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 316913 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254859 Total APNIC prefixes after maximum aggregation: 76291 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246128 Unique aggregates announced from the APNIC address blocks: 102546 APNIC Region origin ASes present in the Internet Routing Table: 14418 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4416 APNIC Region transit ASes present in the Internet Routing Table: 1937 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: 9929 Number of APNIC addresses announced to Internet: 757073920 Equivalent to 45 /8s, 32 /16s and 8 /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: 285418 Total ARIN prefixes after maximum aggregation: 126400 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286819 Unique aggregates announced from the ARIN address blocks: 132495 ARIN Region origin ASes present in the Internet Routing Table: 19148 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 6990 ARIN Region transit ASes present in the Internet Routing Table: 1917 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: 5091 Number of ARIN addresses announced to Internet: 1347443456 Equivalent to 80 /8s, 80 /16s and 91 /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: 269690 Total RIPE prefixes after maximum aggregation: 130820 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266651 Unique aggregates announced from the RIPE address blocks: 170318 RIPE Region origin ASes present in the Internet Routing Table: 28807 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3958 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: 12180 Number of RIPE addresses announced to Internet: 732872192 Equivalent to 43 /8s, 174 /16s and 190 /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: 123488 Total LACNIC prefixes after maximum aggregation: 29362 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120911 Unique aggregates announced from the LACNIC address blocks: 48833 LACNIC Region origin ASes present in the Internet Routing Table: 11181 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2496 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: 177454336 Equivalent to 10 /8s, 147 /16s and 189 /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: 34530 Total AfriNIC prefixes after maximum aggregation: 6568 AfriNIC Deaggregation factor: 5.26 Prefixes being announced from the AfriNIC address blocks: 48035 Unique aggregates announced from the AfriNIC address blocks: 15793 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 25.20 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1264 Number of AfriNIC addresses announced to Internet: 104393728 Equivalent to 6 /8s, 56 /16s and 236 /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 10252 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6197 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4315 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4075 524 272 BBIL-AP BHARTI Airtel Ltd., IN 7552 3917 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2820 845 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 193 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 12597 38847 3289 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4246 8761 869 COGENT-174, US 7155 4169 287 85 VIASAT-SP-BACKBONE, US 6327 3615 1320 79 SHAW, CA 22773 3379 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 396982 2895 3656 441 GOOGLE-CLOUD-PLATFORM, US 16625 2872 1233 2121 AKAMAI-AS, US 7018 2843 23314 1921 ATT-INTERNET4, 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 7667 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3900 3395 125 AKAMAI-ASN1, NL 9009 3760 322 1902 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2371 360 576 TELLCOM-AS, TR 212238 1865 134 1372 CDNEXT, GB 8452 1629 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 11591 3227 605 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2532 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 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 1111 371 22 Telefonica del Peru S.A.A., PE 22884 1074 97 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1003 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 1669 593 29 RAYA-AS, EG 24863 1645 389 18 LINKdotNET-AS, EG 29571 1573 99 66 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 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 544 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 12597 38847 3289 AMAZON-02, US 8151 11591 3227 605 UNINET, MX 9808 10252 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7667 1709 143 UNI2-AS, ES 7545 6197 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4315 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4246 8761 869 COGENT-174, US 7155 4169 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 11591 10986 UNINET, MX 9808 10252 10165 CHINAMOBILE-CN China Mobile Communications Grou 12479 7667 7524 UNI2-AS, ES 7545 6197 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4315 4292 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4169 4084 VIASAT-SP-BACKBONE, US 7552 3917 3892 VIETEL-AS-AP Viettel Group, VN 9498 4075 3803 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 /13:590 /14:1219 /15:2149 /16:13943 /17:8204 /18:13641 /19:24449 /20:43671 /21:51754 /22:111646 /23:100021 /24:597282 /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 6632 7667 UNI2-AS, ES 8151 5784 11591 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3117 4169 VIASAT-SP-BACKBONE, US 22773 2515 3379 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2250 12597 AMAZON-02, US 30036 2231 2570 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 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) ---------------------------------------------- 1:2296 2:1543 3:540 4:9 5:4504 6:161 7:6 8:1548 9:1 11:172 12:1389 13:357 14:2485 15:334 16:270 17:358 18:906 20:447 21:4 22:188 23:7169 24:2727 25:2 27:2656 29:19 31:3045 32:37 34:72 35:176 36:2393 37:4504 38:9093 39:882 40:152 41:4146 42:1977 43:2487 44:343 45:18284 46:4947 47:292 49:2004 50:1868 51:587 52:1571 54:307 55:1030 56:8 57:234 58:2202 59:1183 60:1160 61:2836 62:2909 63:1828 64:5413 65:2205 66:4621 67:3024 68:1238 69:3986 70:1104 71:597 72:2855 74:2775 75:1634 76:632 77:2592 78:1846 79:1702 80:2211 81:2033 82:1813 83:1415 84:1797 85:3273 86:983 87:2148 88:1269 89:4335 90:755 91:8306 92:2755 93:2839 94:3835 95:4164 96:1264 97:311 98:1021 99:731 100:71 101:1368 102:3748 103:32336 104:4542 105:743 106:1012 107:2602 108:1185 109:4070 110:2226 111:3340 112:2037 113:1791 114:1934 115:2161 116:2020 117:2752 118:2881 119:1950 120:1867 121:1351 122:2725 123:2159 124:1589 125:2863 126:62 128:1564 129:938 130:1240 131:1853 132:805 133:450 134:1511 135:323 136:1334 137:1099 138:2893 139:1547 140:1531 141:1456 142:1820 143:1597 144:1039 145:467 146:2117 147:2034 148:2592 149:2847 150:1197 151:1598 152:2109 153:500 154:8274 155:1588 156:3721 157:1868 158:1251 159:2428 160:3475 161:1780 162:3614 163:1768 164:1679 165:2155 166:1345 167:1860 168:4080 169:793 170:5054 171:1000 172:3998 173:3165 174:915 175:1279 176:3573 177:4971 178:3725 179:2245 180:2525 181:3964 182:3349 183:2074 184:2259 185:21330 186:5079 187:4317 188:4229 189:4113 190:9584 191:1556 192:11200 193:9309 194:7677 195:5417 196:3241 197:3597 198:5988 199:8284 200:8019 201:6300 202:10314 203:10470 204:4562 205:3651 206:4614 207:3485 208:4198 209:5087 210:4494 211:2508 212:4513 213:3748 214:1052 215:48 216:6585 217:3081 218:1331 219:376 220:2107 221:1050 222:716 223:2301 End of report