IPv4 R&E Routing Table Report 23:05 GMT Sat 14 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: 964321 Prefixes after maximum aggregation (per Origin AS): 367883 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 466976 Number of IPv4 prefixes with a valid ROA: 517096 Number of IPv4 prefixes with an invalid ROA: 1100 Number of IPv4 prefixes with no ROA: 446125 Total ASes present in the Internet Routing Table: 76308 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 65538 Origin ASes announcing only one prefix: 26787 Transit ASes present in the Internet Routing Table: 10770 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 63 Prefixes from unregistered ASNs in the Routing Table: 1047 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 45979 Number of 32-bit ASNs visible in the Routing Table: 37494 Prefixes from 32-bit ASNs in the Routing Table: 195558 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 486 Number of addresses announced to Internet: 3116850944 Equivalent to 185 /8s, 199 /16s and 95 /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: 315856 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253263 Total APNIC prefixes after maximum aggregation: 75591 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245732 Unique aggregates announced from the APNIC address blocks: 102242 APNIC Region origin ASes present in the Internet Routing Table: 14404 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4392 APNIC Region transit ASes present in the Internet Routing Table: 1924 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 43 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9912 Number of APNIC addresses announced to Internet: 756241920 Equivalent to 45 /8s, 19 /16s and 86 /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: 284190 Total ARIN prefixes after maximum aggregation: 125495 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286012 Unique aggregates announced from the ARIN address blocks: 131067 ARIN Region origin ASes present in the Internet Routing Table: 19151 ARIN Prefixes per ASN: 14.93 ARIN Region origin ASes announcing only one prefix: 6958 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: 5078 Number of ARIN addresses announced to Internet: 1344606208 Equivalent to 80 /8s, 37 /16s and 16 /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: 268641 Total RIPE prefixes after maximum aggregation: 130376 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265622 Unique aggregates announced from the RIPE address blocks: 169893 RIPE Region origin ASes present in the Internet Routing Table: 28800 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3935 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12152 Number of RIPE addresses announced to Internet: 734301696 Equivalent to 43 /8s, 196 /16s and 142 /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: 123150 Total LACNIC prefixes after maximum aggregation: 29180 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120637 Unique aggregates announced from the LACNIC address blocks: 48683 LACNIC Region origin ASes present in the Internet Routing Table: 11170 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2465 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: 9087 Number of LACNIC addresses announced to Internet: 177529600 Equivalent to 10 /8s, 148 /16s and 227 /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: 34030 Total AfriNIC prefixes after maximum aggregation: 6586 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 45832 Unique aggregates announced from the AfriNIC address blocks: 14683 AfriNIC Region origin ASes present in the Internet Routing Table: 1905 AfriNIC Prefixes per ASN: 24.06 AfriNIC Region origin ASes announcing only one prefix: 696 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: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1265 Number of AfriNIC addresses announced to Internet: 103915008 Equivalent to 6 /8s, 49 /16s and 158 /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 88 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4672 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3981 519 291 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2812 838 547 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2218 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 12488 38018 2974 AMAZON-02, US 11492 4691 312 558 CABLEONE, US 174 4184 8763 876 COGENT-174, US 7155 4164 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3396 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3218 23506 2049 ATT-INTERNET4, US 396982 2891 3656 437 GOOGLE-CLOUD-PLATFORM, US 16625 2812 1227 2107 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 7708 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3870 3395 125 AKAMAI-ASN1, NL 9009 3697 318 1871 M247, RO 12389 2949 2294 879 ROSTELECOM-AS, RU 34984 2349 360 576 TELLCOM-AS, TR 212238 1823 131 1344 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1495 98 748 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 11518 3226 604 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2543 542 372 Mega Cable, S.A. de C.V., MX 11830 1993 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 1169 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1069 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1001 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 1448 92 58 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 774 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 12488 38018 2974 AMAZON-02, US 8151 11518 3226 604 UNINET, MX 9808 10091 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7708 1709 143 UNI2-AS, ES 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4691 312 558 CABLEONE, US 18403 4672 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4184 8763 876 COGENT-174, US 7155 4164 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 11518 10914 UNINET, MX 9808 10091 10003 CHINAMOBILE-CN China Mobile Communications Grou 12479 7708 7565 UNI2-AS, ES 7545 6196 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4672 4649 FPT-AS-AP FPT Telecom Company, VN 11492 4691 4133 CABLEONE, US 7155 4164 4079 VIASAT-SP-BACKBONE, US 7552 3911 3886 VIETEL-AS-AP Viettel Group, VN 20940 3870 3745 AKAMAI-ASN1, NL 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 /11:94 /12:312 /13:588 /14:1221 /15:2149 /16:13905 /17:8174 /18:13602 /19:24453 /20:43589 /21:51747 /22:111552 /23:99890 /24:592971 /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 6684 7708 UNI2-AS, ES 8151 5712 11518 UNINET, MX 11492 3555 4691 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3112 4164 VIASAT-SP-BACKBONE, US 22773 2531 3396 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2268 12488 AMAZON-02, US 30036 2221 2560 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2304 2:1546 3:525 4:8 5:4466 6:166 7:6 8:1542 9:1 11:172 12:1392 13:361 14:2469 15:333 16:270 17:357 18:905 20:446 21:4 22:188 23:7067 24:2738 25:2 27:2659 29:19 31:3044 32:37 34:74 35:177 36:2388 37:4467 38:8747 39:879 40:149 41:4164 42:2243 43:2477 44:343 45:17863 46:4955 47:297 49:1996 50:1856 51:586 52:1574 54:315 55:1035 56:8 57:231 58:2234 59:1181 60:1151 61:2807 62:2871 63:1826 64:5405 65:2216 66:4636 67:3029 68:1290 69:3973 70:1112 71:594 72:2854 74:2784 75:1634 76:631 77:2544 78:1845 79:1679 80:2195 81:2031 82:1767 83:1393 84:1766 85:3188 86:975 87:2157 88:1263 89:4337 90:747 91:8241 92:2714 93:2824 94:3834 95:4189 96:1246 97:313 98:1064 99:731 100:71 101:1418 102:3445 103:32293 104:4434 105:728 106:1010 107:2443 108:1185 109:4045 110:2232 111:3307 112:2039 113:1790 114:1930 115:2166 116:2009 117:2720 118:2883 119:1957 120:1857 121:1325 122:2726 123:2156 124:1591 125:2845 126:62 128:1529 129:935 130:1254 131:1861 132:795 133:449 134:1508 135:327 136:1334 137:1094 138:2885 139:1537 140:1505 141:1455 142:1845 143:1599 144:1024 145:405 146:2112 147:2026 148:2568 149:2815 150:1163 151:1478 152:2109 153:499 154:7582 155:1565 156:2935 157:1855 158:1220 159:2430 160:3402 161:1744 162:3600 163:1780 164:1697 165:2149 166:1344 167:1856 168:4080 169:792 170:5068 171:1001 172:3977 173:3172 174:916 175:1276 176:3552 177:4882 178:3707 179:2223 180:2537 181:3961 182:3355 183:2093 184:2259 185:21268 186:5034 187:4243 188:4207 189:4132 190:9622 191:1521 192:11152 193:9287 194:7674 195:5404 196:3200 197:3594 198:5933 199:8262 200:8079 201:6327 202:10217 203:10432 204:4614 205:3648 206:4623 207:3470 208:4214 209:5083 210:4487 211:2511 212:4490 213:3744 214:1058 215:48 216:6569 217:3087 218:1308 219:373 220:2103 221:1051 222:707 223:2285 End of report