IPv4 R&E Routing Table Report 23:05 GMT Tue 03 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: 961927 Prefixes after maximum aggregation (per Origin AS): 368097 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471411 Number of IPv4 prefixes with a valid ROA: 513465 Number of IPv4 prefixes with an invalid ROA: 1135 Number of IPv4 prefixes with no ROA: 447327 Total ASes present in the Internet Routing Table: 76292 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 65523 Origin ASes announcing only one prefix: 26815 Transit ASes present in the Internet Routing Table: 10769 Transit-only ASes present in the Internet Routing Table: 507 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1031 Number of instances of unregistered ASNs: 1045 Number of 32-bit ASNs allocated by the RIRs: 45940 Number of 32-bit ASNs visible in the Routing Table: 37444 Prefixes from 32-bit ASNs in the Routing Table: 195360 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 471 Number of addresses announced to Internet: 3025376768 Equivalent to 180 /8s, 83 /16s and 150 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 315679 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253166 Total APNIC prefixes after maximum aggregation: 75284 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245522 Unique aggregates announced from the APNIC address blocks: 101832 APNIC Region origin ASes present in the Internet Routing Table: 14388 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4414 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: 52 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9892 Number of APNIC addresses announced to Internet: 755458560 Equivalent to 45 /8s, 7 /16s and 98 /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: 282308 Total ARIN prefixes after maximum aggregation: 126343 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284522 Unique aggregates announced from the ARIN address blocks: 136289 ARIN Region origin ASes present in the Internet Routing Table: 19153 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 1265896960 Equivalent to 75 /8s, 116 /16s and 14 /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: 268849 Total RIPE prefixes after maximum aggregation: 130161 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 265968 Unique aggregates announced from the RIPE address blocks: 169662 RIPE Region origin ASes present in the Internet Routing Table: 28793 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3933 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: 12128 Number of RIPE addresses announced to Internet: 722070784 Equivalent to 43 /8s, 9 /16s and 237 /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: 122629 Total LACNIC prefixes after maximum aggregation: 29126 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120166 Unique aggregates announced from the LACNIC address blocks: 48672 LACNIC Region origin ASes present in the Internet Routing Table: 11165 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2485 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: 9084 Number of LACNIC addresses announced to Internet: 177486080 Equivalent to 10 /8s, 148 /16s and 57 /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: 33944 Total AfriNIC prefixes after maximum aggregation: 6538 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 45278 Unique aggregates announced from the AfriNIC address blocks: 14555 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 23.73 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 366 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267 Number of AfriNIC addresses announced to Internet: 104209920 Equivalent to 6 /8s, 54 /16s and 30 /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 10086 8752 85 CHINAMOBILE-CN China Mobile Communication 7545 6173 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4577 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3962 518 286 BBIL-AP BHARTI Airtel Ltd., IN 7552 3909 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3669 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2802 836 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2216 434 194 TATACOMM-AS TATA Communications formerly 45090 2206 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 11097 11970 3950 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4603 8763 879 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3403 3035 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3181 23566 2020 ATT-INTERNET4, US 396982 2886 3655 434 GOOGLE-CLOUD-PLATFORM, US 16625 2816 1228 2105 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 7673 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3869 3395 125 AKAMAI-ASN1, NL 9009 3677 317 1863 M247, RO 12389 2937 2294 878 ROSTELECOM-AS, RU 34984 2343 360 575 TELLCOM-AS, TR 212238 1826 132 1347 CDNEXT, GB 8452 1624 1852 14 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1490 98 746 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 11474 3222 607 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2536 537 372 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 28573 1323 2303 287 Claro NXT Telecomunicacoes Ltda, BR 6503 1136 374 163 Axtel, S.A.B. de C.V., MX 6147 1113 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 999 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 1637 389 16 LINKdotNET-AS, EG 24835 1612 557 28 RAYA-AS, EG 29571 1436 91 59 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 20011 942 165 258 INTERNET-SOLUTIONS, ZA 36935 882 520 41 Vodafone-, EG 37069 850 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 546 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 11474 3222 607 UNINET, MX 16509 11097 11970 3950 AMAZON-02, US 9808 10086 8752 85 CHINAMOBILE-CN China Mobile Communication 12479 7673 1709 143 UNI2-AS, ES 7545 6173 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4603 8763 879 COGENT-174, US 18403 4577 347 23 FPT-AS-AP FPT Telecom Company, VN 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 10086 10001 CHINAMOBILE-CN China Mobile Communications Grou 12479 7673 7530 UNI2-AS, ES 16509 11097 7147 AMAZON-02, US 7545 6173 5512 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4577 4554 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3909 3884 VIETEL-AS-AP Viettel Group, VN 20940 3869 3744 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 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 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 /11:91 /12:295 /13:573 /14:1166 /15:2051 /16:13114 /17:8143 /18:13555 /19:24276 /20:43809 /21:51704 /22:111445 /23:99589 /24:592048 /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 6661 7673 UNI2-AS, ES 8151 5676 11474 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3403 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2265 11097 AMAZON-02, US 30036 2209 2549 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 2:1543 3:526 4:8 5:4592 6:165 7:6 8:1490 9:1 11:172 12:1397 13:369 14:2464 15:334 16:271 17:359 18:901 20:447 21:4 22:188 23:7012 24:2651 25:2 27:2662 29:19 31:3025 32:38 34:73 35:173 36:2387 37:4494 38:9052 39:877 40:148 41:4168 42:2175 43:2459 44:341 45:17773 46:4904 47:295 49:2001 50:1856 51:586 52:1575 54:317 55:939 56:8 57:230 58:2241 59:1179 60:1153 61:2799 62:2837 63:1840 64:5416 65:2274 66:4581 67:3016 68:1288 69:3979 70:1116 71:589 72:2858 74:2774 75:1637 76:636 77:2555 78:1848 79:1644 80:2197 81:2048 82:1772 83:1454 84:1763 85:3189 86:976 87:2162 88:1258 89:4395 90:740 91:8255 92:2647 93:2849 94:3857 95:4184 96:1243 97:313 98:1067 99:734 100:71 101:1415 102:3452 103:32263 104:4433 105:725 106:983 107:2409 108:1184 109:4040 110:2229 111:3309 112:2036 113:1808 114:1934 115:2166 116:1990 117:2719 118:2867 119:1976 120:1854 121:1350 122:2722 123:2155 124:1601 125:2840 126:62 128:1519 129:938 130:1254 131:1867 132:804 133:448 134:1526 135:323 136:1330 137:1100 138:2847 139:1528 140:1498 141:1455 142:1816 143:1600 144:1027 145:402 146:2104 147:2043 148:2573 149:2813 150:1157 151:1461 152:2101 153:499 154:7289 155:1559 156:2761 157:1856 158:1222 159:2436 160:3374 161:1740 162:3584 163:1770 164:1943 165:2152 166:1336 167:1863 168:4097 169:792 170:5002 171:999 172:3952 173:3144 174:919 175:1273 176:3544 177:4835 178:3710 179:2276 180:2540 181:3947 182:3356 183:2066 184:2258 185:21267 186:5006 187:4200 188:4197 189:4093 190:9577 191:1517 192:11137 193:9265 194:7643 195:5393 196:3201 197:3600 198:5904 199:8227 200:8060 201:6303 202:10240 203:10431 204:4621 205:3623 206:4596 207:3487 208:4224 209:5066 210:4514 211:2521 212:4502 213:3690 214:1052 215:48 216:6561 217:3084 218:1307 219:387 220:2092 221:1051 222:708 223:2288 End of report