IPv4 R&E Routing Table Report 23:05 GMT Wed 08 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: 968193 Prefixes after maximum aggregation (per Origin AS): 369859 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 470194 Number of IPv4 prefixes with a valid ROA: 521461 Number of IPv4 prefixes with an invalid ROA: 1060 Number of IPv4 prefixes with no ROA: 445672 Total ASes present in the Internet Routing Table: 76336 Prefixes per ASN: 12.68 Origin-only ASes present in the Internet Routing Table: 65497 Origin ASes announcing only one prefix: 26805 Transit ASes present in the Internet Routing Table: 10839 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 8 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: 1067 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 45985 Number of 32-bit ASNs visible in the Routing Table: 37563 Prefixes from 32-bit ASNs in the Routing Table: 196640 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3119727872 Equivalent to 185 /8s, 243 /16s and 69 /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: 316701 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254291 Total APNIC prefixes after maximum aggregation: 76126 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245895 Unique aggregates announced from the APNIC address blocks: 102557 APNIC Region origin ASes present in the Internet Routing Table: 14416 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4409 APNIC Region transit ASes present in the Internet Routing Table: 1926 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: 756942336 Equivalent to 45 /8s, 30 /16s and 6 /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: 285432 Total ARIN prefixes after maximum aggregation: 126380 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286832 Unique aggregates announced from the ARIN address blocks: 132589 ARIN Region origin ASes present in the Internet Routing Table: 19137 ARIN Prefixes per ASN: 14.99 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5087 Number of ARIN addresses announced to Internet: 1347788800 Equivalent to 80 /8s, 85 /16s and 160 /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: 269582 Total RIPE prefixes after maximum aggregation: 130750 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266541 Unique aggregates announced from the RIPE address blocks: 170246 RIPE Region origin ASes present in the Internet Routing Table: 28802 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3955 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: 12175 Number of RIPE addresses announced to Internet: 732875776 Equivalent to 43 /8s, 174 /16s and 204 /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: 123199 Total LACNIC prefixes after maximum aggregation: 29312 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120630 Unique aggregates announced from the LACNIC address blocks: 48824 LACNIC Region origin ASes present in the Internet Routing Table: 11177 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2493 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: 9106 Number of LACNIC addresses announced to Internet: 177449472 Equivalent to 10 /8s, 147 /16s and 170 /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: 34622 Total AfriNIC prefixes after maximum aggregation: 6619 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 47791 Unique aggregates announced from the AfriNIC address blocks: 15552 AfriNIC Region origin ASes present in the Internet Routing Table: 1906 AfriNIC Prefixes per ASN: 25.07 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 366 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 104378624 Equivalent to 6 /8s, 56 /16s and 177 /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 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6197 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4318 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4071 524 272 BBIL-AP BHARTI Airtel Ltd., IN 7552 3916 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 2221 434 194 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 12591 38863 3290 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4245 8763 868 COGENT-174, US 7155 4169 287 85 VIASAT-SP-BACKBONE, US 6327 3615 1320 79 SHAW, CA 22773 3381 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 2941 23365 1973 ATT-INTERNET4, US 396982 2895 3656 441 GOOGLE-CLOUD-PLATFORM, US 16625 2880 1239 2134 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 7680 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3899 3395 125 AKAMAI-ASN1, NL 9009 3766 323 1904 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2371 360 576 TELLCOM-AS, TR 212238 1861 133 1372 CDNEXT, GB 8452 1628 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 11585 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 1993 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 1114 371 22 Telefonica del Peru S.A.A., PE 22884 1075 98 370 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 1636 389 18 LINKdotNET-AS, EG 29571 1568 99 64 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 287 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 558 1861 35 IAM-AS, MA 36914 541 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 12591 38863 3290 AMAZON-02, US 8151 11585 3227 605 UNINET, MX 9808 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7680 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 4318 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4245 8763 868 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 11585 10980 UNINET, MX 9808 10098 10011 CHINAMOBILE-CN China Mobile Communications Grou 12479 7680 7537 UNI2-AS, ES 7545 6197 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4318 4295 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4169 4084 VIASAT-SP-BACKBONE, US 7552 3916 3891 VIETEL-AS-AP Viettel Group, VN 9498 4071 3799 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 /15:2150 /16:13943 /17:8195 /18:13637 /19:24443 /20:43700 /21:51762 /22:111614 /23:100018 /24:596444 /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 6645 7680 UNI2-AS, ES 8151 5778 11585 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 2517 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2252 12591 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) ---------------------------------------------- 1:2293 2:1540 3:539 4:9 5:4501 6:165 7:6 8:1548 9:1 11:172 12:1389 13:356 14:2471 15:334 16:270 17:358 18:905 20:447 21:4 22:188 23:7174 24:2730 25:2 27:2658 29:19 31:3046 32:37 34:72 35:176 36:2393 37:4505 38:9043 39:881 40:151 41:4163 42:1986 43:2491 44:344 45:18315 46:4945 47:292 49:2003 50:1867 51:587 52:1570 54:307 55:1031 56:8 57:234 58:2202 59:1181 60:1160 61:2835 62:2917 63:1828 64:5413 65:2205 66:4620 67:3022 68:1248 69:3990 70:1103 71:596 72:2855 74:2777 75:1634 76:631 77:2588 78:1846 79:1695 80:2212 81:2035 82:1805 83:1414 84:1791 85:3271 86:979 87:2152 88:1262 89:4323 90:757 91:8299 92:2757 93:2834 94:3833 95:4170 96:1261 97:308 98:1031 99:732 100:71 101:1369 102:3754 103:32338 104:4533 105:743 106:1013 107:2600 108:1184 109:4067 110:2226 111:3326 112:2037 113:1794 114:1937 115:2162 116:2019 117:2688 118:2882 119:1950 120:1862 121:1332 122:2724 123:2163 124:1589 125:2857 126:62 128:1566 129:939 130:1242 131:1832 132:801 133:450 134:1509 135:323 136:1332 137:1099 138:2898 139:1550 140:1522 141:1450 142:1825 143:1584 144:1039 145:466 146:2116 147:2034 148:2584 149:2840 150:1195 151:1591 152:2106 153:500 154:8133 155:1590 156:3513 157:1869 158:1256 159:2428 160:3462 161:1778 162:3616 163:1769 164:1678 165:2154 166:1346 167:1862 168:4086 169:795 170:5058 171:1000 172:3996 173:3169 174:915 175:1278 176:3570 177:4825 178:3720 179:2256 180:2525 181:3964 182:3349 183:2069 184:2258 185:21326 186:5060 187:4231 188:4234 189:4094 190:9581 191:1550 192:11206 193:9306 194:7682 195:5413 196:3235 197:3617 198:5996 199:8288 200:8027 201:6292 202:10314 203:10471 204:4558 205:3647 206:4613 207:3483 208:4195 209:5085 210:4482 211:2507 212:4508 213:3748 214:1053 215:48 216:6591 217:3078 218:1326 219:376 220:2107 221:1050 222:716 223:2290 End of report