IPv4 R&E Routing Table Report 23:05 GMT Wed 10 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: 938415 Prefixes after maximum aggregation (per Origin AS): 359233 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459629 Number of IPv4 prefixes with a valid ROA: 461465 Number of IPv4 prefixes with an invalid ROA: 1045 Number of IPv4 prefixes with no ROA: 475905 Total ASes present in the Internet Routing Table: 75447 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64789 Origin ASes announcing only one prefix: 26562 Transit ASes present in the Internet Routing Table: 10658 Transit-only ASes present in the Internet Routing Table: 492 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: 60 Max AS path prepend of ASN ( 37447) 55 Prefixes from unregistered ASNs in the Routing Table: 1078 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 44067 Number of 32-bit ASNs visible in the Routing Table: 36128 Prefixes from 32-bit ASNs in the Routing Table: 183686 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: 597 Number of addresses announced to Internet: 3027205120 Equivalent to 180 /8s, 111 /16s and 124 /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: 309865 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247085 Total APNIC prefixes after maximum aggregation: 72666 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239714 Unique aggregates announced from the APNIC address blocks: 100100 APNIC Region origin ASes present in the Internet Routing Table: 13982 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4226 APNIC Region transit ASes present in the Internet Routing Table: 1862 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9419 Number of APNIC addresses announced to Internet: 760045312 Equivalent to 45 /8s, 77 /16s and 95 /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: 273788 Total ARIN prefixes after maximum aggregation: 124261 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278461 Unique aggregates announced from the ARIN address blocks: 133268 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6954 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: 4864 Number of ARIN addresses announced to Internet: 1269007872 Equivalent to 75 /8s, 163 /16s and 134 /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, 393216-401308 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: 264046 Total RIPE prefixes after maximum aggregation: 126650 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258770 Unique aggregates announced from the RIPE address blocks: 163195 RIPE Region origin ASes present in the Internet Routing Table: 28596 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12134 RIPE Region transit ASes present in the Internet Routing Table: 3973 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: 11718 Number of RIPE addresses announced to Internet: 714776064 Equivalent to 42 /8s, 154 /16s and 158 /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: 121560 Total LACNIC prefixes after maximum aggregation: 28829 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119828 Unique aggregates announced from the LACNIC address blocks: 49521 LACNIC Region origin ASes present in the Internet Routing Table: 11073 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2598 LACNIC Region transit ASes present in the Internet Routing Table: 2391 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: 8939 Number of LACNIC addresses announced to Internet: 177149184 Equivalent to 10 /8s, 143 /16s and 21 /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: 30858 Total AfriNIC prefixes after maximum aggregation: 6117 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41045 Unique aggregates announced from the AfriNIC address blocks: 13069 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.55 AfriNIC Region origin ASes announcing only one prefix: 650 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1188 Number of AfriNIC addresses announced to Internet: 105909504 Equivalent to 6 /8s, 80 /16s and 13 /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 9835 8741 62 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4626 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3863 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3569 497 258 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2774 861 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 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 9820 11367 3448 AMAZON-02, US 11492 4601 305 610 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3507 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3306 6630 813 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3098 1317 2214 AKAMAI-AS, US 367 2804 3534 1332 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 7670 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3851 3395 126 AKAMAI-ASN1, NL 9009 3275 284 1599 M247, RO 12389 2962 2302 904 ROSTELECOM-AS, RU 8551 2638 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1529 1852 14 TE-AS TE-AS, EG 44477 1528 100 728 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 12404 3320 495 UNINET, MX 10620 3530 497 889 Telmex Colombia S.A., CO 13999 2525 347 656 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 1149 177 428 Techtel LMDS Comunicaciones Interactiva 6503 1143 346 480 Axtel, S.A.B. de C.V., MX 6147 1081 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 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 529 56 56 WANANCHI-, KE 36914 476 82 3 KENET-AS, KE 24757 433 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 12404 3320 495 UNINET, MX 9808 9835 8741 62 CHINAMOBILE-CN China Mobile Communicati 16509 9820 11367 3448 AMAZON-02, US 12479 7670 1709 144 UNI2-AS, ES 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4626 347 24 FPT-AS-AP FPT Telecom Company, VN 11492 4601 305 610 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3863 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 9835 9773 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7526 UNI2-AS, ES 16509 9820 6372 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4626 4602 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4601 3991 CABLEONE, US 7552 3863 3843 VIETEL-AS-AP Viettel Group, VN 20940 3851 3725 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 /15:2066 /16:13229 /17:8128 /18:13572 /19:24492 /20:42954 /21:50935 /22:110282 /23:98338 /24:572181 /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 6790 7670 UNI2-AS, ES 8151 6415 12404 UNINET, MX 11492 3514 4601 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2605 3507 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2136 3530 Telmex Colombia S.A., CO 30036 2126 2469 MEDIACOM-ENTERPRISE-BUSINESS, US 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) ---------------------------------------------- 1:2298 2:1496 3:322 4:6 5:4529 6:161 7:6 8:1497 9:1 11:172 12:1463 13:373 14:2354 15:318 16:209 17:367 18:757 20:358 21:4 22:188 23:6650 24:2713 25:2 27:2583 29:19 31:2681 32:46 34:62 35:123 36:2284 37:4462 38:7179 39:891 40:126 41:4062 42:2212 43:2332 44:317 45:16993 46:4415 47:303 49:1894 50:1908 51:573 52:1583 54:310 55:992 56:5 57:164 58:1979 59:1185 60:1029 61:2609 62:2684 63:1894 64:5531 65:2316 66:4658 67:3068 68:1312 69:4102 70:1190 71:573 72:2893 74:2592 75:1550 76:626 77:2428 78:1843 79:2493 80:2186 81:1950 82:1552 83:1312 84:1644 85:3123 86:839 87:2011 88:1239 89:4047 90:674 91:8075 92:2200 93:2656 94:3670 95:4133 96:1307 97:314 98:1043 99:743 100:93 101:1171 102:3118 103:32447 104:4854 105:635 106:932 107:2770 108:1118 109:4070 110:2127 111:3228 112:2066 113:1807 114:1776 115:2021 116:1869 117:2620 118:2837 119:1965 120:1785 121:1264 122:2663 123:2198 124:1606 125:2844 126:32 128:1432 129:928 130:1108 131:1853 132:802 133:410 134:1713 135:318 136:943 137:1026 138:2828 139:1534 140:1383 141:1362 142:1582 143:1499 144:999 145:350 146:2051 147:1820 148:2483 149:2544 150:1027 151:1341 152:1996 153:523 154:6447 155:1441 156:2300 157:1690 158:1113 159:2311 160:2636 161:1617 162:3575 163:1707 164:1641 165:2129 166:1124 167:1779 168:3918 169:792 170:4755 171:995 172:3820 173:3026 174:911 175:1199 176:3618 177:4667 178:3583 179:2255 180:2358 181:3677 182:3378 183:2037 184:2269 185:20671 186:4992 187:4523 188:4038 189:4147 190:9329 191:1470 192:10935 193:9049 194:7471 195:5258 196:3134 197:2448 198:5895 199:7565 200:7990 201:6325 202:10222 203:10142 204:4545 205:3719 206:4445 207:3374 208:4131 209:5009 210:4392 211:2486 212:4283 213:3406 214:1087 215:50 216:6792 217:2823 218:1310 219:406 220:1815 221:1032 222:697 223:2200 End of report