IPv4 R&E Routing Table Report 23:05 GMT Sun 14 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: 938878 Prefixes after maximum aggregation (per Origin AS): 359177 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459820 Number of IPv4 prefixes with a valid ROA: 462339 Number of IPv4 prefixes with an invalid ROA: 1068 Number of IPv4 prefixes with no ROA: 475471 Total ASes present in the Internet Routing Table: 75443 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64788 Origin ASes announcing only one prefix: 26560 Transit ASes present in the Internet Routing Table: 10655 Transit-only ASes present in the Internet Routing Table: 487 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1090 Number of instances of unregistered ASNs: 1093 Number of 32-bit ASNs allocated by the RIRs: 44132 Number of 32-bit ASNs visible in the Routing Table: 36131 Prefixes from 32-bit ASNs in the Routing Table: 183491 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 596 Number of addresses announced to Internet: 3027345152 Equivalent to 180 /8s, 113 /16s and 159 /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: 310000 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247340 Total APNIC prefixes after maximum aggregation: 72632 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239815 Unique aggregates announced from the APNIC address blocks: 100160 APNIC Region origin ASes present in the Internet Routing Table: 13980 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4222 APNIC Region transit ASes present in the Internet Routing Table: 1856 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9418 Number of APNIC addresses announced to Internet: 760043264 Equivalent to 45 /8s, 77 /16s and 87 /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: 273890 Total ARIN prefixes after maximum aggregation: 124220 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278587 Unique aggregates announced from the ARIN address blocks: 133236 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1915 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: 4861 Number of ARIN addresses announced to Internet: 1269153536 Equivalent to 75 /8s, 165 /16s and 191 /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: 264065 Total RIPE prefixes after maximum aggregation: 126654 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258741 Unique aggregates announced from the RIPE address blocks: 163265 RIPE Region origin ASes present in the Internet Routing Table: 28587 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3970 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11716 Number of RIPE addresses announced to Internet: 714751744 Equivalent to 42 /8s, 154 /16s and 63 /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: 121577 Total LACNIC prefixes after maximum aggregation: 28819 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119859 Unique aggregates announced from the LACNIC address blocks: 49527 LACNIC Region origin ASes present in the Internet Routing Table: 11076 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2611 LACNIC Region transit ASes present in the Internet Routing Table: 2394 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8948 Number of LACNIC addresses announced to Internet: 177089024 Equivalent to 10 /8s, 142 /16s and 42 /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: 30916 Total AfriNIC prefixes after maximum aggregation: 6140 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41280 Unique aggregates announced from the AfriNIC address blocks: 13157 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 22.67 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1188 Number of AfriNIC addresses announced to Internet: 105990656 Equivalent to 6 /8s, 81 /16s and 74 /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 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4623 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3871 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3594 499 261 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2774 861 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2201 434 198 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 9863 11372 3448 AMAZON-02, US 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3515 3045 229 ASN-CXA-ALL-CCI-22773-RDC, US 174 3305 6630 814 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3097 1317 2212 AKAMAI-AS, US 367 2808 3545 1338 DNIC-ASBLK-00306-00371, US 396982 2763 3641 413 GOOGLE-CLOUD-PLATFORM, 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 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3850 3395 126 AKAMAI-ASN1, NL 9009 3275 284 1599 M247, RO 12389 2898 2270 897 ROSTELECOM-AS, RU 8551 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 44477 1536 100 730 STARK-INDUSTRIES, GB 8452 1532 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 12407 3320 495 UNINET, MX 10620 3534 497 888 Telmex Colombia S.A., CO 13999 2524 347 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1153 177 429 Techtel LMDS Comunicaciones Interactiva 6503 1134 314 479 Axtel, S.A.B. de C.V., MX 6147 1079 369 22 Telefonica del Peru S.A.A., PE 22884 1072 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 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1206 76 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 527 55 55 WANANCHI-, KE 36914 460 82 3 KENET-AS, KE 24757 436 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 12407 3320 495 UNINET, MX 16509 9863 11372 3448 AMAZON-02, US 9808 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7709 1709 144 UNI2-AS, ES 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4623 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3871 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 9839 9776 CHINAMOBILE-CN China Mobile Communications Grou 12479 7709 7565 UNI2-AS, ES 16509 9863 6415 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4623 4600 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4602 3997 CABLEONE, US 7552 3871 3851 VIETEL-AS-AP Viettel Group, VN 20940 3850 3724 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 17054 EXPEDIENT, 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 23.189.192.0/24 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: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /12:297 /13:578 /14:1194 /15:2065 /16:13230 /17:8129 /18:13576 /19:24494 /20:42996 /21:50930 /22:110330 /23:98435 /24:572455 /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 6828 7709 UNI2-AS, ES 8151 6424 12407 UNINET, MX 11492 3515 4602 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2614 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2138 3534 Telmex Colombia S.A., CO 8551 2112 2636 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) ---------------------------------------------- 1:2296 2:1495 3:322 4:6 5:4526 6:161 7:6 8:1507 9:1 11:172 12:1463 13:379 14:2355 15:318 16:209 17:367 18:759 20:358 21:4 22:188 23:6656 24:2712 25:2 27:2617 29:19 31:2678 32:45 34:62 35:124 36:2284 37:4460 38:7201 39:891 40:126 41:4064 42:2206 43:2337 44:312 45:16981 46:4402 47:305 49:1896 50:1922 51:573 52:1585 54:312 55:995 56:5 57:163 58:1983 59:1188 60:1033 61:2612 62:2686 63:1894 64:5534 65:2322 66:4663 67:2995 68:1335 69:4098 70:1193 71:578 72:2895 74:2585 75:1549 76:626 77:2426 78:1846 79:2486 80:2182 81:1953 82:1558 83:1314 84:1641 85:3134 86:841 87:2015 88:1241 89:4056 90:677 91:8088 92:2214 93:2662 94:3668 95:4123 96:1293 97:315 98:1040 99:743 100:78 101:1172 102:3157 103:32466 104:4800 105:651 106:929 107:2754 108:1112 109:4075 110:2132 111:3206 112:2064 113:1807 114:1778 115:2026 116:1867 117:2622 118:2847 119:1965 120:1785 121:1264 122:2665 123:2198 124:1606 125:2846 126:32 128:1438 129:902 130:1108 131:1841 132:799 133:410 134:1716 135:319 136:939 137:1029 138:2821 139:1536 140:1388 141:1367 142:1582 143:1489 144:1004 145:348 146:2054 147:1840 148:2484 149:2549 150:1029 151:1341 152:2018 153:523 154:6458 155:1441 156:2373 157:1698 158:1114 159:2316 160:2634 161:1617 162:3579 163:1712 164:1637 165:2132 166:1161 167:1785 168:3899 169:793 170:4800 171:997 172:3810 173:3029 174:897 175:1202 176:3629 177:4648 178:3584 179:2261 180:2358 181:3689 182:3381 183:2037 184:2277 185:20680 186:5011 187:4488 188:4034 189:4144 190:9346 191:1498 192:10932 193:9060 194:7466 195:5263 196:3144 197:2459 198:5892 199:7614 200:7993 201:6316 202:10196 203:10115 204:4534 205:3705 206:4438 207:3379 208:4129 209:5022 210:4393 211:2487 212:4284 213:3418 214:1085 215:50 216:6760 217:2818 218:1311 219:406 220:1812 221:1032 222:697 223:2206 End of report