IPv4 R&E Routing Table Report 23:05 GMT Mon 23 Dec, 2024 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: 965375 Prefixes after maximum aggregation (per Origin AS): 368610 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 468430 Number of IPv4 prefixes with a valid ROA: 518033 Number of IPv4 prefixes with an invalid ROA: 1049 Number of IPv4 prefixes with no ROA: 446293 Total ASes present in the Internet Routing Table: 76340 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 65539 Origin ASes announcing only one prefix: 26827 Transit ASes present in the Internet Routing Table: 10801 Transit-only ASes present in the Internet Routing Table: 517 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1037 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 46013 Number of 32-bit ASNs visible in the Routing Table: 37536 Prefixes from 32-bit ASNs in the Routing Table: 195976 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: 480 Number of addresses announced to Internet: 3115598592 Equivalent to 185 /8s, 180 /16s and 67 /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: 316271 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253078 Total APNIC prefixes after maximum aggregation: 75613 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245531 Unique aggregates announced from the APNIC address blocks: 102502 APNIC Region origin ASes present in the Internet Routing Table: 14406 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4401 APNIC Region transit ASes present in the Internet Routing Table: 1907 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9917 Number of APNIC addresses announced to Internet: 756574720 Equivalent to 45 /8s, 24 /16s and 106 /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: 284987 Total ARIN prefixes after maximum aggregation: 125965 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286757 Unique aggregates announced from the ARIN address blocks: 132206 ARIN Region origin ASes present in the Internet Routing Table: 19162 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1922 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: 5086 Number of ARIN addresses announced to Internet: 1344078336 Equivalent to 80 /8s, 29 /16s and 2 /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: 269025 Total RIPE prefixes after maximum aggregation: 130560 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265978 Unique aggregates announced from the RIPE address blocks: 169816 RIPE Region origin ASes present in the Internet Routing Table: 28809 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12105 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: 12169 Number of RIPE addresses announced to Internet: 733271296 Equivalent to 43 /8s, 180 /16s and 213 /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: 122998 Total LACNIC prefixes after maximum aggregation: 29238 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120466 Unique aggregates announced from the LACNIC address blocks: 48803 LACNIC Region origin ASes present in the Internet Routing Table: 11167 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2486 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: 9095 Number of LACNIC addresses announced to Internet: 177463552 Equivalent to 10 /8s, 147 /16s and 225 /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: 34250 Total AfriNIC prefixes after maximum aggregation: 6587 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 46163 Unique aggregates announced from the AfriNIC address blocks: 14701 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 24.16 AfriNIC Region origin ASes announcing only one prefix: 701 AfriNIC Region transit ASes present in the Internet Routing Table: 363 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: 1269 Number of AfriNIC addresses announced to Internet: 103955712 Equivalent to 6 /8s, 50 /16s and 61 /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 10091 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4494 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4045 523 280 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 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2817 842 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 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 12479 37821 3208 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4256 8764 879 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3391 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3259 23511 2067 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2829 1228 2115 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 7707 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3878 3395 125 AKAMAI-ASN1, NL 9009 3699 318 1869 M247, RO 12389 2959 2295 882 ROSTELECOM-AS, RU 34984 2350 360 576 TELLCOM-AS, TR 212238 1845 133 1359 CDNEXT, GB 8452 1627 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1497 99 750 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 11523 3227 605 UNINET, MX 10620 3544 494 943 Telmex Colombia S.A., CO 13999 2536 541 371 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1334 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 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1067 98 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1002 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 24863 1650 389 16 LINKdotNET-AS, EG 24835 1649 593 29 RAYA-AS, EG 29571 1464 93 59 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 999 520 40 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 885 1083 15 MOBINIL, EG 6713 558 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 12479 37821 3208 AMAZON-02, US 8151 11523 3227 605 UNINET, MX 9808 10091 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7707 1709 143 UNI2-AS, ES 7545 6196 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4494 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4256 8764 879 COGENT-174, US 7155 4165 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 11523 10918 UNINET, MX 9808 10091 10004 CHINAMOBILE-CN China Mobile Communications Grou 12479 7707 7564 UNI2-AS, ES 7545 6196 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4494 4471 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4045 3765 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 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 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /13:589 /14:1219 /15:2148 /16:13930 /17:8194 /18:13632 /19:24487 /20:43727 /21:51677 /22:111510 /23:99818 /24:593967 /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 6679 7707 UNI2-AS, ES 8151 5716 11523 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2526 3391 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2266 12479 AMAZON-02, US 30036 2224 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3544 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) ---------------------------------------------- 1:2300 2:1559 3:536 4:9 5:4484 6:165 7:6 8:1545 9:1 11:172 12:1397 13:355 14:2467 15:334 16:269 17:359 18:901 20:446 21:4 22:188 23:7174 24:2729 25:2 27:2661 29:19 31:3047 32:37 34:72 35:176 36:2391 37:4492 38:8997 39:880 40:150 41:4176 42:2101 43:2493 44:341 45:17924 46:4972 47:297 49:1990 50:1879 51:587 52:1574 54:315 55:1033 56:8 57:232 58:2206 59:1176 60:1154 61:2830 62:2882 63:1828 64:5410 65:2215 66:4623 67:3019 68:1284 69:3982 70:1106 71:595 72:2858 74:2769 75:1634 76:630 77:2565 78:1850 79:1694 80:2200 81:2033 82:1775 83:1409 84:1782 85:3187 86:973 87:2157 88:1262 89:4312 90:759 91:8289 92:2734 93:2833 94:3839 95:4194 96:1246 97:308 98:1065 99:732 100:71 101:1416 102:3484 103:32309 104:4455 105:741 106:1012 107:2607 108:1182 109:4046 110:2226 111:3312 112:2038 113:1821 114:1934 115:2161 116:2011 117:2685 118:2887 119:1956 120:1857 121:1331 122:2722 123:2159 124:1592 125:2818 126:62 128:1560 129:936 130:1252 131:1844 132:793 133:450 134:1507 135:323 136:1308 137:1094 138:2879 139:1546 140:1511 141:1446 142:1832 143:1583 144:1025 145:427 146:2117 147:2030 148:2576 149:2826 150:1191 151:1492 152:2106 153:500 154:7666 155:1572 156:2918 157:1861 158:1250 159:2426 160:3424 161:1746 162:3602 163:1782 164:1686 165:2151 166:1347 167:1860 168:4082 169:798 170:5059 171:999 172:3990 173:3187 174:914 175:1279 176:3549 177:4832 178:3725 179:2256 180:2525 181:3961 182:3356 183:2091 184:2257 185:21286 186:5041 187:4217 188:4211 189:4104 190:9602 191:1568 192:11201 193:9284 194:7678 195:5409 196:3200 197:3596 198:5973 199:8279 200:8038 201:6257 202:10251 203:10472 204:4607 205:3637 206:4614 207:3495 208:4204 209:5077 210:4480 211:2504 212:4502 213:3750 214:1049 215:48 216:6580 217:3080 218:1323 219:377 220:2110 221:1052 222:676 223:2290 End of report