IPv4 R&E Routing Table Report 23:05 GMT Fri 26 Apr, 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: 940812 Prefixes after maximum aggregation (per Origin AS): 360296 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461566 Number of IPv4 prefixes with a valid ROA: 466609 Number of IPv4 prefixes with an invalid ROA: 1394 Number of IPv4 prefixes with no ROA: 472809 Total ASes present in the Internet Routing Table: 75524 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64961 Origin ASes announcing only one prefix: 26602 Transit ASes present in the Internet Routing Table: 10563 Transit-only ASes present in the Internet Routing Table: 492 Paths with bogon ASNs present in the IPv4 Routing Table: 7 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: 1048 Number of instances of unregistered ASNs: 1050 Number of 32-bit ASNs allocated by the RIRs: 44271 Number of 32-bit ASNs visible in the Routing Table: 36239 Prefixes from 32-bit ASNs in the Routing Table: 184900 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: 594 Number of addresses announced to Internet: 3026554624 Equivalent to 180 /8s, 101 /16s and 143 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310525 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248148 Total APNIC prefixes after maximum aggregation: 73102 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 240336 Unique aggregates announced from the APNIC address blocks: 100953 APNIC Region origin ASes present in the Internet Routing Table: 14015 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4250 APNIC Region transit ASes present in the Internet Routing Table: 1861 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9461 Number of APNIC addresses announced to Internet: 760560384 Equivalent to 45 /8s, 85 /16s and 59 /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: 274416 Total ARIN prefixes after maximum aggregation: 124648 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 279233 Unique aggregates announced from the ARIN address blocks: 133509 ARIN Region origin ASes present in the Internet Routing Table: 19108 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1910 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: 4886 Number of ARIN addresses announced to Internet: 1268368640 Equivalent to 75 /8s, 153 /16s and 197 /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: 264849 Total RIPE prefixes after maximum aggregation: 126800 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 259640 Unique aggregates announced from the RIPE address blocks: 163847 RIPE Region origin ASes present in the Internet Routing Table: 28597 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3916 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: 11739 Number of RIPE addresses announced to Internet: 714391296 Equivalent to 42 /8s, 148 /16s and 191 /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: 121298 Total LACNIC prefixes after maximum aggregation: 28881 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119511 Unique aggregates announced from the LACNIC address blocks: 49585 LACNIC Region origin ASes present in the Internet Routing Table: 11083 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2618 LACNIC Region transit ASes present in the Internet Routing Table: 2370 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: 8958 Number of LACNIC addresses announced to Internet: 177076992 Equivalent to 10 /8s, 141 /16s and 251 /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: 31053 Total AfriNIC prefixes after maximum aggregation: 6175 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 41498 Unique aggregates announced from the AfriNIC address blocks: 13207 AfriNIC Region origin ASes present in the Internet Routing Table: 1828 AfriNIC Prefixes per ASN: 22.70 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 353 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: 1195 Number of AfriNIC addresses announced to Internet: 105845504 Equivalent to 6 /8s, 79 /16s and 19 /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 9879 8743 62 CHINAMOBILE-CN China Mobile Communicati 7545 5667 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4615 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3881 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3610 500 257 BBIL-AP BHARTI Airtel Ltd., IN 7713 3601 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2781 863 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 197 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 9798 11356 3514 AMAZON-02, US 11492 4597 305 618 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3613 1320 79 SHAW, CA 174 3529 6629 833 COGENT-174, US 22773 3498 3042 230 ASN-CXA-ALL-CCI-22773-RDC, US 749 3200 54911 2452 DNIC-AS-00749, US 16625 3078 1308 2197 AKAMAI-AS, US 367 2803 3531 1346 DNIC-ASBLK-00306-00371, US 7018 2783 23653 1784 ATT-INTERNET4, 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 7709 1708 144 UNI2-AS, ES 39891 4741 285 59 ALJAWWALSTC-AS, SA 20940 3860 3396 128 AKAMAI-ASN1, NL 9009 3294 285 1616 M247, RO 12389 2727 2290 861 ROSTELECOM-AS, RU 8551 2635 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1563 1852 14 TE-AS TE-AS, EG 44477 1533 100 725 STARK-INDUSTRIES, 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 12380 3311 491 UNINET, MX 10620 3526 495 909 Telmex Colombia S.A., CO 13999 2541 351 662 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1347 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1314 788 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1165 176 433 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1071 114 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1503 389 20 LINKdotNET-AS, EG 36992 1370 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1204 76 65 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 530 55 55 WANANCHI-, KE 36914 485 82 3 KENET-AS, KE 24757 435 73 5 EthioNet-AS, ET 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 12380 3311 491 UNINET, MX 9808 9879 8743 62 CHINAMOBILE-CN China Mobile Communicati 16509 9798 11356 3514 AMAZON-02, US 12479 7709 1708 144 UNI2-AS, ES 7545 5667 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 285 59 ALJAWWALSTC-AS, SA 18403 4615 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4597 305 618 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3881 1330 20 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 9879 9817 CHINAMOBILE-CN China Mobile Communications Grou 12479 7709 7565 UNI2-AS, ES 16509 9798 6284 AMAZON-02, US 7545 5667 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 4682 ALJAWWALSTC-AS, SA 18403 4615 4592 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4597 3979 CABLEONE, US 7552 3881 3861 VIETEL-AS-AP Viettel Group, VN 20940 3860 3732 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 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 23.176.168.0/24 Origin: 17095 BUILDBUDDY-01, US 23.176.168.0/24 Transit: 36236 NETACTUATE, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, 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 /9:14 /10:36 /11:95 /12:298 /13:577 /14:1182 /15:2060 /16:13214 /17:8135 /18:13568 /19:24486 /20:42998 /21:51008 /22:110409 /23:98544 /24:574164 /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 6820 7709 UNI2-AS, ES 8151 6412 12380 UNINET, MX 11492 3510 4597 CABLEONE, US 39891 3424 4741 ALJAWWALSTC-AS, SA 6327 3410 3613 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2597 3498 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2139 3526 Telmex Colombia S.A., CO 8551 2111 2635 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) ---------------------------------------------- 1:2298 2:1483 3:331 4:6 5:4524 6:163 7:6 8:1503 9:1 11:172 12:1460 13:363 14:2368 15:317 16:209 17:367 18:766 20:364 21:4 22:188 23:6723 24:2708 25:2 27:2599 29:19 31:2586 32:45 34:63 35:128 36:2298 37:4469 38:7342 39:893 40:125 41:4125 42:2222 43:2346 44:314 45:17003 46:4454 47:307 49:1896 50:1923 51:573 52:1578 54:310 55:988 56:5 57:168 58:2012 59:1186 60:1031 61:2622 62:2689 63:1897 64:5526 65:2342 66:4657 67:2989 68:1335 69:4107 70:1189 71:577 72:2886 74:2587 75:1554 76:607 77:2472 78:1851 79:2511 80:2190 81:2005 82:1561 83:1334 84:1647 85:3138 86:849 87:1970 88:1240 89:4088 90:671 91:8093 92:2297 93:2679 94:3654 95:4130 96:1294 97:315 98:1044 99:742 100:74 101:1172 102:3164 103:32533 104:4853 105:655 106:934 107:2789 108:1106 109:4047 110:2142 111:3249 112:2060 113:1805 114:1783 115:2036 116:1872 117:2624 118:2845 119:1968 120:1780 121:1264 122:2673 123:2202 124:1610 125:2848 126:32 128:1431 129:925 130:1123 131:1832 132:795 133:410 134:1731 135:321 136:949 137:1036 138:2814 139:1537 140:1391 141:1367 142:1583 143:1476 144:998 145:359 146:2052 147:1859 148:2497 149:2691 150:1033 151:1346 152:2041 153:524 154:6456 155:1460 156:2457 157:1747 158:1149 159:2313 160:2653 161:1653 162:3559 163:1691 164:1638 165:2121 166:1167 167:1788 168:3861 169:794 170:4810 171:1001 172:3814 173:3037 174:893 175:1203 176:3634 177:4663 178:3736 179:2218 180:2351 181:3720 182:3389 183:2048 184:2266 185:20713 186:4989 187:4442 188:4064 189:4135 190:9384 191:1461 192:10938 193:9080 194:7481 195:5245 196:3146 197:2467 198:5913 199:7714 200:7934 201:6307 202:10204 203:10146 204:4557 205:3736 206:4441 207:3425 208:4126 209:5015 210:4385 211:2487 212:4261 213:3436 214:1065 215:50 216:6764 217:2966 218:1309 219:407 220:1823 221:1033 222:700 223:2211 End of report