IPv4 R&E Routing Table Report 23:05 GMT Wed 15 May, 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: 942064 Prefixes after maximum aggregation (per Origin AS): 360332 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461856 Number of IPv4 prefixes with a valid ROA: 472522 Number of IPv4 prefixes with an invalid ROA: 1182 Number of IPv4 prefixes with no ROA: 468360 Total ASes present in the Internet Routing Table: 75594 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 65014 Origin ASes announcing only one prefix: 26649 Transit ASes present in the Internet Routing Table: 10580 Transit-only ASes present in the Internet Routing Table: 502 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 995 Number of instances of unregistered ASNs: 997 Number of 32-bit ASNs allocated by the RIRs: 44471 Number of 32-bit ASNs visible in the Routing Table: 36344 Prefixes from 32-bit ASNs in the Routing Table: 185367 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 607 Number of addresses announced to Internet: 3026673152 Equivalent to 180 /8s, 103 /16s and 94 /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: 311039 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248583 Total APNIC prefixes after maximum aggregation: 73039 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240808 Unique aggregates announced from the APNIC address blocks: 100946 APNIC Region origin ASes present in the Internet Routing Table: 14059 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4278 APNIC Region transit ASes present in the Internet Routing Table: 1875 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9505 Number of APNIC addresses announced to Internet: 760871680 Equivalent to 45 /8s, 89 /16s and 251 /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: 275048 Total ARIN prefixes after maximum aggregation: 124704 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279638 Unique aggregates announced from the ARIN address blocks: 133656 ARIN Region origin ASes present in the Internet Routing Table: 19109 ARIN Prefixes per ASN: 14.63 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1912 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4898 Number of ARIN addresses announced to Internet: 1267444480 Equivalent to 75 /8s, 139 /16s and 171 /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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 265454 Total RIPE prefixes after maximum aggregation: 126717 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260324 Unique aggregates announced from the RIPE address blocks: 163821 RIPE Region origin ASes present in the Internet Routing Table: 28600 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12112 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11763 Number of RIPE addresses announced to Internet: 713869056 Equivalent to 42 /8s, 140 /16s and 199 /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, 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: 120885 Total LACNIC prefixes after maximum aggregation: 29029 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 119147 Unique aggregates announced from the LACNIC address blocks: 49812 LACNIC Region origin ASes present in the Internet Routing Table: 11090 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2395 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8974 Number of LACNIC addresses announced to Internet: 176880640 Equivalent to 10 /8s, 138 /16s and 252 /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: 31099 Total AfriNIC prefixes after maximum aggregation: 6164 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 41540 Unique aggregates announced from the AfriNIC address blocks: 13146 AfriNIC Region origin ASes present in the Internet Routing Table: 1839 AfriNIC Prefixes per ASN: 22.59 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1204 Number of AfriNIC addresses announced to Internet: 107253248 Equivalent to 6 /8s, 100 /16s and 142 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9830 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5636 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4440 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3913 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3731 507 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3292 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2796 864 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2194 433 198 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9880 11372 3561 AMAZON-02, US 11492 4610 306 611 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3643 8781 864 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3488 3040 227 ASN-CXA-ALL-CCI-22773-RDC, US 749 3225 54904 2477 DNIC-AS-00749, US 16625 2986 1292 2189 AKAMAI-AS, US 7018 2811 23656 1779 ATT-INTERNET4, US 367 2797 3459 1315 DNIC-ASBLK-00306-00371, 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 7762 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3801 3396 129 AKAMAI-ASN1, NL 9009 3335 291 1642 M247, RO 12389 2896 2293 860 ROSTELECOM-AS, RU 8551 2638 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 581 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 212238 1581 114 1150 CDNEXT, GB 8452 1580 1852 14 TE-AS TE-AS, EG 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 12244 3315 492 UNINET, MX 10620 3507 492 940 Telmex Colombia S.A., CO 13999 2538 351 662 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1182 176 442 Techtel LMDS Comunicaciones Interactiva 6503 1122 314 478 Axtel, S.A.B. de C.V., MX 6147 1099 369 22 Telefonica del Peru S.A.A., PE 26615 1072 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 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1373 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1198 77 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 530 55 55 WANANCHI-, KE 37342 510 32 1 MOVITEL, MZ 36914 484 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 12244 3315 492 UNINET, MX 16509 9880 11372 3561 AMAZON-02, US 9808 9830 8742 61 CHINAMOBILE-CN China Mobile Communicati 12479 7762 1708 145 UNI2-AS, ES 7545 5636 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4610 306 611 CABLEONE, US 18403 4440 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3913 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9830 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7762 7617 UNI2-AS, ES 16509 9880 6319 AMAZON-02, US 7545 5636 4962 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4440 4417 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4610 3999 CABLEONE, US 7552 3913 3892 VIETEL-AS-AP Viettel Group, VN 20940 3801 3672 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 BTN-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 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, US 23.178.72.0/24 Origin: 47272 HYEHOST HYEHOST Hosting Solutions, GB 23.178.72.0/24 Transit: 210667 SMISHCRAFT Adam Goodenough TA Smishcraft 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 /9:14 /10:36 /11:94 /12:297 /13:575 /14:1169 /15:2043 /16:13204 /17:8129 /18:13578 /19:24360 /20:43005 /21:51104 /22:110523 /23:98640 /24:575269 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6858 7762 UNI2-AS, ES 8151 6272 12244 UNINET, MX 11492 3519 4610 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3392 3595 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2590 3488 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2133 3507 Telmex Colombia S.A., CO 8551 2114 2638 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2282 2:1478 3:347 4:6 5:4561 6:164 7:6 8:1505 9:1 11:172 12:1455 13:361 14:2367 15:318 16:211 17:364 18:763 20:374 21:4 22:188 23:6696 24:2712 25:2 27:2539 29:19 31:2577 32:46 34:62 35:133 36:2301 37:4480 38:7425 39:896 40:125 41:4077 42:2172 43:2345 44:316 45:17016 46:4481 47:307 49:1907 50:1900 51:575 52:1577 54:313 55:1000 56:5 57:168 58:2015 59:1189 60:1027 61:2634 62:2675 63:1892 64:5521 65:2345 66:4667 67:2983 68:1320 69:4095 70:1187 71:584 72:2863 74:2582 75:1558 76:614 77:2484 78:1850 79:2517 80:2195 81:2015 82:1602 83:1329 84:1647 85:3150 86:854 87:1988 88:1249 89:4071 90:678 91:8122 92:2302 93:2689 94:3704 95:4183 96:1277 97:315 98:1040 99:741 100:72 101:1170 102:3270 103:32559 104:4780 105:672 106:935 107:2744 108:1143 109:4106 110:2139 111:3253 112:2065 113:1775 114:1785 115:2072 116:1877 117:2648 118:2813 119:1973 120:1765 121:1268 122:2687 123:2202 124:1614 125:2860 126:32 128:1424 129:926 130:1135 131:1837 132:791 133:412 134:1732 135:322 136:1008 137:1039 138:2820 139:1541 140:1386 141:1351 142:1578 143:1504 144:1006 145:362 146:2057 147:1891 148:2493 149:2740 150:1032 151:1331 152:2150 153:525 154:6480 155:1465 156:2279 157:1772 158:1148 159:2330 160:2645 161:1683 162:3557 163:1696 164:1648 165:2147 166:1160 167:1798 168:3892 169:796 170:4858 171:1021 172:3847 173:3037 174:888 175:1205 176:3670 177:4672 178:3721 179:2185 180:2364 181:3725 182:3390 183:1998 184:2264 185:20779 186:4908 187:4437 188:4052 189:4136 190:9400 191:1474 192:10969 193:9103 194:7493 195:5291 196:3163 197:2550 198:5919 199:7823 200:7887 201:6261 202:10219 203:10178 204:4564 205:3725 206:4428 207:3469 208:4125 209:5014 210:4396 211:2523 212:4311 213:3426 214:1045 215:49 216:6816 217:2997 218:1292 219:415 220:1819 221:1033 222:707 223:2208 End of report