IPv4 R&E Routing Table Report 23:05 GMT Tue 10 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: 962679 Prefixes after maximum aggregation (per Origin AS): 368719 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471936 Number of IPv4 prefixes with a valid ROA: 514989 Number of IPv4 prefixes with an invalid ROA: 1099 Number of IPv4 prefixes with no ROA: 446591 Total ASes present in the Internet Routing Table: 76308 Prefixes per ASN: 12.62 Origin-only ASes present in the Internet Routing Table: 65517 Origin ASes announcing only one prefix: 26804 Transit ASes present in the Internet Routing Table: 10791 Transit-only ASes present in the Internet Routing Table: 507 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: 63 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1013 Number of instances of unregistered ASNs: 1025 Number of 32-bit ASNs allocated by the RIRs: 45984 Number of 32-bit ASNs visible in the Routing Table: 37467 Prefixes from 32-bit ASNs in the Routing Table: 195273 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: 470 Number of addresses announced to Internet: 3027243776 Equivalent to 180 /8s, 112 /16s and 19 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 315676 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253272 Total APNIC prefixes after maximum aggregation: 75441 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245737 Unique aggregates announced from the APNIC address blocks: 102140 APNIC Region origin ASes present in the Internet Routing Table: 14392 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4397 APNIC Region transit ASes present in the Internet Routing Table: 1920 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: 9904 Number of APNIC addresses announced to Internet: 755600384 Equivalent to 45 /8s, 9 /16s and 140 /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: 282758 Total ARIN prefixes after maximum aggregation: 126558 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284715 Unique aggregates announced from the ARIN address blocks: 136400 ARIN Region origin ASes present in the Internet Routing Table: 19163 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1921 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5073 Number of ARIN addresses announced to Internet: 1266179840 Equivalent to 75 /8s, 120 /16s and 95 /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: 268613 Total RIPE prefixes after maximum aggregation: 130325 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265432 Unique aggregates announced from the RIPE address blocks: 169692 RIPE Region origin ASes present in the Internet Routing Table: 28801 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12099 RIPE Region transit ASes present in the Internet Routing Table: 3932 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12144 Number of RIPE addresses announced to Internet: 723745536 Equivalent to 43 /8s, 35 /16s and 123 /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: 122878 Total LACNIC prefixes after maximum aggregation: 29148 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120394 Unique aggregates announced from the LACNIC address blocks: 48689 LACNIC Region origin ASes present in the Internet Routing Table: 11169 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2480 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: 9079 Number of LACNIC addresses announced to Internet: 177516032 Equivalent to 10 /8s, 148 /16s and 174 /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: 34145 Total AfriNIC prefixes after maximum aggregation: 6619 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 45931 Unique aggregates announced from the AfriNIC address blocks: 14624 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 24.06 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 365 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 63 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267 Number of AfriNIC addresses announced to Internet: 103950848 Equivalent to 6 /8s, 50 /16s and 42 /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 10097 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6195 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4619 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3966 518 287 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3686 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3248 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2808 837 544 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 11046 12122 3970 AMAZON-02, US 11492 4679 311 553 CABLEONE, US 174 4184 8763 879 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3400 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3218 23506 2048 ATT-INTERNET4, US 396982 2888 3655 435 GOOGLE-CLOUD-PLATFORM, US 16625 2815 1228 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 7722 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3871 3395 125 AKAMAI-ASN1, NL 9009 3699 318 1877 M247, RO 12389 2949 2294 879 ROSTELECOM-AS, RU 34984 2342 360 575 TELLCOM-AS, TR 212238 1821 131 1342 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 11491 3226 604 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2538 540 371 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1330 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 778 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1166 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 997 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 1649 593 29 RAYA-AS, EG 24863 1636 389 16 LINKdotNET-AS, EG 29571 1447 91 59 ORANGE-COTE-IVOIRE, CI 36992 1427 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 959 175 267 INTERNET-SOLUTIONS, ZA 37069 834 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 549 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 8151 11491 3226 604 UNINET, MX 16509 11046 12122 3970 AMAZON-02, US 9808 10097 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7722 1709 143 UNI2-AS, ES 7545 6195 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4679 311 553 CABLEONE, US 18403 4619 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4184 8763 879 COGENT-174, US 7155 4168 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 9808 10097 10009 CHINAMOBILE-CN China Mobile Communications Grou 12479 7722 7579 UNI2-AS, ES 16509 11046 7076 AMAZON-02, US 7545 6195 5530 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4619 4596 FPT-AS-AP FPT Telecom Company, VN 11492 4679 4126 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3911 3886 VIETEL-AS-AP Viettel Group, VN 20940 3871 3746 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 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 46639 UNALLOCATED 8.38.73.0/24 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.154.248.0/24 Origin: 54641 IMH-IAD, US 23.154.248.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /10:36 /11:92 /12:295 /13:574 /14:1166 /15:2049 /16:13109 /17:8124 /18:13520 /19:24329 /20:43776 /21:51763 /22:111480 /23:99698 /24:592636 /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 6704 7722 UNI2-AS, ES 8151 5689 11491 UNINET, MX 11492 3555 4679 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2535 3400 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2253 11046 AMAZON-02, US 30036 2213 2553 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) ---------------------------------------------- 1:2303 2:1546 3:527 4:8 5:4461 6:166 7:6 8:1544 9:1 11:172 12:1394 13:362 14:2467 15:334 16:270 17:358 18:902 20:444 21:4 22:188 23:7068 24:2743 25:2 27:2659 29:19 31:3046 32:37 34:73 35:177 36:2391 37:4436 38:8718 39:877 40:149 41:4159 42:2204 43:2464 44:345 45:17860 46:4959 47:297 49:1993 50:1850 51:586 52:1571 54:315 55:1030 56:8 57:231 58:2233 59:1181 60:1153 61:2800 62:2870 63:1828 64:5406 65:2272 66:4641 67:3024 68:1286 69:3980 70:1113 71:591 72:2852 74:2777 75:1638 76:633 77:2562 78:1850 79:1664 80:2188 81:2030 82:1767 83:1393 84:1766 85:3196 86:970 87:2155 88:1259 89:4344 90:742 91:8250 92:2726 93:2841 94:3842 95:4191 96:1250 97:313 98:1065 99:733 100:70 101:1419 102:3443 103:32246 104:4427 105:729 106:1001 107:2441 108:1189 109:4026 110:2230 111:3311 112:2039 113:1801 114:1929 115:2174 116:2006 117:2717 118:2880 119:1964 120:1857 121:1331 122:2726 123:2155 124:1592 125:2843 126:62 128:1512 129:935 130:1250 131:1863 132:798 133:449 134:1509 135:326 136:1335 137:1105 138:2869 139:1535 140:1505 141:1442 142:1845 143:1592 144:1026 145:404 146:2109 147:2039 148:2579 149:2803 150:1162 151:1469 152:2107 153:498 154:7586 155:1569 156:2921 157:1853 158:1218 159:2431 160:3383 161:1741 162:3597 163:1777 164:1697 165:2143 166:1345 167:1851 168:4092 169:790 170:5051 171:997 172:3969 173:3164 174:917 175:1275 176:3544 177:4856 178:3712 179:2240 180:2550 181:3938 182:3355 183:2090 184:2257 185:21252 186:5018 187:4225 188:4203 189:4124 190:9623 191:1508 192:11148 193:9275 194:7662 195:5402 196:3211 197:3599 198:5929 199:8254 200:8086 201:6312 202:10240 203:10427 204:4616 205:3655 206:4606 207:3473 208:4218 209:5080 210:4510 211:2521 212:4482 213:3686 214:1058 215:48 216:6567 217:3098 218:1308 219:387 220:2097 221:1051 222:712 223:2283 End of report