IPv4 R&E Routing Table Report 23:05 GMT Fri 29 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: 936269 Prefixes after maximum aggregation (per Origin AS): 358083 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458529 Number of IPv4 prefixes with a valid ROA: 457440 Number of IPv4 prefixes with an invalid ROA: 1001 Number of IPv4 prefixes with no ROA: 477828 Total ASes present in the Internet Routing Table: 75392 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64751 Origin ASes announcing only one prefix: 26571 Transit ASes present in the Internet Routing Table: 10641 Transit-only ASes present in the Internet Routing Table: 493 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: 1066 Number of instances of unregistered ASNs: 1068 Number of 32-bit ASNs allocated by the RIRs: 43966 Number of 32-bit ASNs visible in the Routing Table: 36054 Prefixes from 32-bit ASNs in the Routing Table: 182663 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: 580 Number of addresses announced to Internet: 3027664384 Equivalent to 180 /8s, 118 /16s and 126 /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: 309120 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246676 Total APNIC prefixes after maximum aggregation: 72359 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239364 Unique aggregates announced from the APNIC address blocks: 99928 APNIC Region origin ASes present in the Internet Routing Table: 13975 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4229 APNIC Region transit ASes present in the Internet Routing Table: 1863 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: 9410 Number of APNIC addresses announced to Internet: 760225792 Equivalent to 45 /8s, 80 /16s and 32 /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: 273309 Total ARIN prefixes after maximum aggregation: 123751 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277991 Unique aggregates announced from the ARIN address blocks: 132634 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: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1913 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: 4862 Number of ARIN addresses announced to Internet: 1269512960 Equivalent to 75 /8s, 171 /16s and 59 /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: 263312 Total RIPE prefixes after maximum aggregation: 126380 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258176 Unique aggregates announced from the RIPE address blocks: 162845 RIPE Region origin ASes present in the Internet Routing Table: 28567 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3963 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: 11679 Number of RIPE addresses announced to Internet: 714646016 Equivalent to 42 /8s, 152 /16s and 162 /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: 121206 Total LACNIC prefixes after maximum aggregation: 28755 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119545 Unique aggregates announced from the LACNIC address blocks: 49621 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2607 LACNIC Region transit ASes present in the Internet Routing Table: 2385 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: 8919 Number of LACNIC addresses announced to Internet: 177185280 Equivalent to 10 /8s, 143 /16s and 162 /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: 30700 Total AfriNIC prefixes after maximum aggregation: 6135 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 40613 Unique aggregates announced from the AfriNIC address blocks: 13036 AfriNIC Region origin ASes present in the Internet Routing Table: 1815 AfriNIC Prefixes per ASN: 22.38 AfriNIC Region origin ASes announcing only one prefix: 648 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: 1184 Number of AfriNIC addresses announced to Internet: 105785088 Equivalent to 6 /8s, 78 /16s and 39 /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 4626 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 2766 863 367 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2197 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 3372 6651 689 COGENT-174, US 749 3189 54916 2441 DNIC-AS-00749, US 16625 3141 1347 2241 AKAMAI-AS, US 367 2886 3596 1368 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 7675 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 2988 2304 905 ROSTELECOM-AS, RU 8551 2644 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1528 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 1492 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 554 1861 34 IAM-AS, MA 15399 531 55 54 WANANCHI-, KE 36914 484 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 7675 1709 144 UNI2-AS, ES 7545 5659 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4626 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 7675 7531 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 4626 4601 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 /16:13250 /17:8131 /18:13572 /19:24512 /20:43089 /21:50922 /22:110119 /23:98163 /24:570205 /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 6792 7675 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 2149 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2133 3527 Telmex Colombia S.A., CO 8551 2120 2644 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 2:1482 3:320 4:6 5:4512 6:162 7:6 8:1504 9:1 11:172 12:1468 13:378 14:2353 15:318 16:210 17:367 18:757 20:356 21:4 22:188 23:6636 24:2708 25:2 27:2559 29:19 31:2651 32:46 34:63 35:123 36:2244 37:4483 38:7158 39:894 40:125 41:4060 42:2232 43:2317 44:315 45:16910 46:4393 47:299 49:1894 50:1887 51:573 52:1583 54:307 55:896 56:5 57:164 58:1980 59:1183 60:1027 61:2607 62:2685 63:1900 64:5532 65:2319 66:4679 67:3056 68:1334 69:4075 70:1194 71:575 72:2901 74:2573 75:1550 76:627 77:2425 78:1845 79:2478 80:2184 81:1930 82:1546 83:1313 84:1636 85:3099 86:832 87:2019 88:1237 89:4017 90:679 91:8059 92:2197 93:2637 94:3666 95:4157 96:1305 97:312 98:1040 99:743 100:92 101:1168 102:3082 103:32427 104:4775 105:635 106:930 107:2733 108:1114 109:4043 110:2136 111:3220 112:2063 113:1769 114:1772 115:2014 116:1871 117:2619 118:2841 119:1962 120:1781 121:1265 122:2662 123:2215 124:1560 125:2840 126:32 128:1429 129:926 130:1090 131:1858 132:794 133:410 134:1722 135:316 136:943 137:1032 138:2804 139:1537 140:1384 141:1361 142:1602 143:1489 144:1007 145:345 146:2026 147:1729 148:2477 149:2567 150:1027 151:1335 152:1970 153:523 154:6180 155:1423 156:2202 157:1656 158:1076 159:2306 160:2600 161:1640 162:3592 163:1706 164:1633 165:2130 166:1062 167:1757 168:3904 169:789 170:4720 171:1001 172:3825 173:3038 174:901 175:1199 176:3667 177:4709 178:3580 179:2260 180:2368 181:3665 182:3377 183:2041 184:2264 185:20629 186:4946 187:4482 188:4037 189:4067 190:9290 191:1515 192:10963 193:9042 194:7436 195:5251 196:3151 197:2376 198:5888 199:7542 200:7973 201:6303 202:10158 203:10147 204:4544 205:3706 206:4442 207:3371 208:4110 209:4988 210:4384 211:2485 212:4278 213:3385 214:1091 215:50 216:6764 217:2814 218:1312 219:406 220:1815 221:1030 222:693 223:2205 End of report