IPv4 R&E Routing Table Report 23:05 GMT Sat 30 Mar, 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: 936254 Prefixes after maximum aggregation (per Origin AS): 358102 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458524 Number of IPv4 prefixes with a valid ROA: 457407 Number of IPv4 prefixes with an invalid ROA: 1011 Number of IPv4 prefixes with no ROA: 477836 Total ASes present in the Internet Routing Table: 75392 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64745 Origin ASes announcing only one prefix: 26565 Transit ASes present in the Internet Routing Table: 10647 Transit-only ASes present in the Internet Routing Table: 491 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1065 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 43980 Number of 32-bit ASNs visible in the Routing Table: 36065 Prefixes from 32-bit ASNs in the Routing Table: 182682 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 577 Number of addresses announced to Internet: 3027708160 Equivalent to 180 /8s, 119 /16s and 41 /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: 309170 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246661 Total APNIC prefixes after maximum aggregation: 72376 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239358 Unique aggregates announced from the APNIC address blocks: 99985 APNIC Region origin ASes present in the Internet Routing Table: 13973 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4238 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9408 Number of APNIC addresses announced to Internet: 760242176 Equivalent to 45 /8s, 80 /16s and 96 /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: 273351 Total ARIN prefixes after maximum aggregation: 123802 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277996 Unique aggregates announced from the ARIN address blocks: 132661 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6970 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: 1269508352 Equivalent to 75 /8s, 171 /16s and 41 /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: 263229 Total RIPE prefixes after maximum aggregation: 126324 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258128 Unique aggregates announced from the RIPE address blocks: 162763 RIPE Region origin ASes present in the Internet Routing Table: 28563 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3966 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11682 Number of RIPE addresses announced to Internet: 714599680 Equivalent to 42 /8s, 151 /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, 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: 121230 Total LACNIC prefixes after maximum aggregation: 28758 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119558 Unique aggregates announced from the LACNIC address blocks: 49608 LACNIC Region origin ASes present in the Internet Routing Table: 11059 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2592 LACNIC Region transit ASes present in the Internet Routing Table: 2388 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: 8926 Number of LACNIC addresses announced to Internet: 177177856 Equivalent to 10 /8s, 143 /16s and 133 /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: 30718 Total AfriNIC prefixes after maximum aggregation: 6137 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40637 Unique aggregates announced from the AfriNIC address blocks: 13045 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.33 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1188 Number of AfriNIC addresses announced to Internet: 105871616 Equivalent to 6 /8s, 79 /16s and 121 /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 9824 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5659 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4624 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3857 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3525 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2767 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 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 9797 11363 3391 AMAZON-02, US 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3604 1320 75 SHAW, CA 22773 3515 3043 228 ASN-CXA-ALL-CCI-22773-RDC, US 174 3368 6650 688 COGENT-174, US 749 3189 54916 2441 DNIC-AS-00749, US 16625 3133 1344 2234 AKAMAI-AS, US 367 2880 3579 1364 DNIC-ASBLK-00306-00371, US 396982 2763 3641 412 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 7674 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3845 3395 126 AKAMAI-ASN1, NL 9009 3261 283 1594 M247, RO 12389 2989 2304 905 ROSTELECOM-AS, RU 8551 2647 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1527 1852 14 TE-AS TE-AS, EG 44477 1501 98 712 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 12348 3315 493 UNINET, MX 10620 3527 497 888 Telmex Colombia S.A., CO 13999 2515 342 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6503 1103 346 480 Axtel, S.A.B. de C.V., MX 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1071 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 1497 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1206 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 531 55 54 WANANCHI-, KE 36914 478 82 3 KENET-AS, KE 24757 428 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 12348 3315 493 UNINET, MX 9808 9824 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9797 11363 3391 AMAZON-02, US 12479 7674 1709 144 UNI2-AS, ES 7545 5659 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4624 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4596 305 619 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3857 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 9824 9763 CHINAMOBILE-CN China Mobile Communications Grou 12479 7674 7530 UNI2-AS, ES 16509 9797 6406 AMAZON-02, US 7545 5659 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4624 4599 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4596 3977 CABLEONE, US 7552 3857 3837 VIETEL-AS-AP Viettel Group, VN 20940 3845 3719 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK 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 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 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 /13:579 /14:1194 /15:2067 /16:13251 /17:8131 /18:13568 /19:24509 /20:43064 /21:50899 /22:110108 /23:98198 /24:570220 /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 6791 7674 UNI2-AS, ES 8151 6361 12348 UNINET, MX 11492 3509 4596 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3401 3604 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2615 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2133 3527 Telmex Colombia S.A., CO 8551 2123 2647 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) ---------------------------------------------- 1:2278 2:1481 3:321 4:6 5:4513 6:162 7:6 8:1503 9:1 11:172 12:1467 13:378 14:2354 15:318 16:210 17:367 18:757 20:356 21:4 22:188 23:6626 24:2708 25:2 27:2556 29:19 31:2650 32:46 34:62 35:123 36:2244 37:4479 38:7171 39:894 40:125 41:4070 42:2230 43:2315 44:314 45:16915 46:4381 47:299 49:1889 50:1887 51:573 52:1583 54:307 55:896 56:5 57:164 58:1980 59:1186 60:1027 61:2608 62:2689 63:1899 64:5530 65:2319 66:4678 67:3055 68:1333 69:4082 70:1193 71:575 72:2901 74:2573 75:1550 76:627 77:2423 78:1845 79:2480 80:2186 81:1930 82:1548 83:1314 84:1636 85:3109 86:832 87:2017 88:1238 89:4004 90:679 91:8071 92:2197 93:2638 94:3667 95:4156 96:1305 97:313 98:1040 99:743 100:92 101:1168 102:3085 103:32431 104:4766 105:634 106:924 107:2736 108:1114 109:4044 110:2136 111:3220 112:2065 113:1771 114:1778 115:2011 116:1864 117:2620 118:2841 119:1962 120:1783 121:1264 122:2654 123:2198 124:1560 125:2840 126:32 128:1428 129:926 130:1089 131:1850 132:796 133:410 134:1720 135:316 136:942 137:1032 138:2810 139:1539 140:1384 141:1360 142:1603 143:1491 144:1007 145:345 146:2025 147:1729 148:2477 149:2568 150:1032 151:1335 152:1970 153:523 154:6180 155:1424 156:2207 157:1656 158:1062 159:2307 160:2602 161:1630 162:3593 163:1703 164:1633 165:2126 166:1062 167:1757 168:3910 169:790 170:4726 171:1002 172:3830 173:3036 174:901 175:1198 176:3667 177:4713 178:3580 179:2259 180:2367 181:3672 182:3377 183:2041 184:2267 185:20640 186:4936 187:4477 188:4035 189:4076 190:9292 191:1516 192:10955 193:9051 194:7436 195:5251 196:3151 197:2375 198:5887 199:7538 200:7982 201:6297 202:10152 203:10161 204:4545 205:3712 206:4443 207:3371 208:4109 209:4988 210:4385 211:2485 212:4282 213:3383 214:1089 215:50 216:6766 217:2813 218:1312 219:406 220:1815 221:1030 222:692 223:2207 End of report