IPv4 R&E Routing Table Report 23:05 GMT Mon 18 Sep, 2023 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: 922102 Prefixes after maximum aggregation (per Origin AS): 351663 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453159 Number of IPv4 prefixes with a valid ROA: 419978 Number of IPv4 prefixes with an invalid ROA: 1240 Number of IPv4 prefixes with no ROA: 500884 Total ASes present in the Internet Routing Table: 74615 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64196 Origin ASes announcing only one prefix: 26346 Transit ASes present in the Internet Routing Table: 10419 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 38 Max AS path prepend of ASN ( 51407) 31 Prefixes from unregistered ASNs in the Routing Table: 1031 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 42637 Number of 32-bit ASNs visible in the Routing Table: 35028 Prefixes from 32-bit ASNs in the Routing Table: 174741 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 570 Number of addresses announced to Internet: 3053672448 Equivalent to 182 /8s, 3 /16s and 88 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 307961 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240773 Total APNIC prefixes after maximum aggregation: 70040 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234423 Unique aggregates announced from the APNIC address blocks: 98685 APNIC Region origin ASes present in the Internet Routing Table: 13541 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4042 APNIC Region transit ASes present in the Internet Routing Table: 1803 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8935 Number of APNIC addresses announced to Internet: 772187136 Equivalent to 46 /8s, 6 /16s and 164 /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: 271048 Total ARIN prefixes after maximum aggregation: 123343 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274118 Unique aggregates announced from the ARIN address blocks: 131540 ARIN Region origin ASes present in the Internet Routing Table: 19037 ARIN Prefixes per ASN: 14.40 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1278035200 Equivalent to 76 /8s, 45 /16s and 69 /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: 261002 Total RIPE prefixes after maximum aggregation: 123269 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256649 Unique aggregates announced from the RIPE address blocks: 160331 RIPE Region origin ASes present in the Internet Routing Table: 28389 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3902 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11316 Number of RIPE addresses announced to Internet: 716890880 Equivalent to 42 /8s, 186 /16s and 227 /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: 118088 Total LACNIC prefixes after maximum aggregation: 28355 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117046 Unique aggregates announced from the LACNIC address blocks: 49279 LACNIC Region origin ASes present in the Internet Routing Table: 11023 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2325 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8843 Number of LACNIC addresses announced to Internet: 178350080 Equivalent to 10 /8s, 161 /16s and 104 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30160 Total AfriNIC prefixes after maximum aggregation: 5949 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 39296 Unique aggregates announced from the AfriNIC address blocks: 12847 AfriNIC Region origin ASes present in the Internet Routing Table: 1781 AfriNIC Prefixes per ASN: 22.06 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1126 Number of AfriNIC addresses announced to Internet: 107763968 Equivalent to 6 /8s, 108 /16s and 89 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5729 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4280 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3717 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 2891 498 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2514 849 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 201 TATACOMM-AS TATA Communications formerl 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 9061 10990 3249 AMAZON-02, US 11492 4522 300 679 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3542 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3539 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 3004 1437 2276 AKAMAI-AS, US 367 2973 3825 1406 DNIC-ASBLK-00306-00371, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 7018 2497 23673 1557 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 7391 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4059 3398 152 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2905 2296 913 ROSTELECOM-AS, RU 9009 2729 254 1396 M247, RO 34984 2328 362 596 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1464 98 1138 ASDETUK www.heficed.com, US 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 11670 3354 615 UNINET, MX 10620 3542 506 851 Telmex Colombia S.A., CO 13999 2390 331 624 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1325 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1121 181 425 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1035 2501 49 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 24863 1612 393 19 LINKdotNET-AS, EG 24835 1532 549 28 RAYA-AS, EG 36992 1359 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 919 520 35 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 521 55 49 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 24757 481 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 11670 3354 615 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9061 10990 3249 AMAZON-02, US 12479 7391 1713 145 UNI2-AS, ES 7545 5729 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 679 CABLEONE, US 18403 4280 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4059 3398 152 AKAMAI-ASN1, NL 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7391 7246 UNI2-AS, ES 16509 9061 5812 AMAZON-02, US 7545 5729 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4280 4255 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4059 3907 AKAMAI-ASN1, NL 11492 4522 3843 CABLEONE, US 7552 3717 3697 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 LIGHTOWER, 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 6461 ZAYO-6461, 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2094 /16:13445 /17:8191 /18:13733 /19:24802 /20:43160 /21:50823 /22:109562 /23:98647 /24:555400 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6478 7391 UNI2-AS, ES 8151 5792 11670 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4522 CABLEONE, US 6327 3350 3539 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2923 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2590 3542 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2105 3542 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2211 2:1419 3:263 4:5 5:4517 6:135 7:6 8:1500 9:1 11:172 12:1517 13:361 14:2313 15:303 16:192 17:368 18:644 20:286 21:4 22:188 23:6341 24:2492 25:2 27:2580 29:19 31:2523 32:74 34:27 35:114 36:1985 37:4522 38:5326 39:870 40:146 41:4040 42:2075 43:2268 44:320 45:16538 46:4273 47:373 49:1824 50:1878 51:597 52:1596 54:395 55:954 56:5 57:123 58:1800 59:1108 60:1002 61:2423 62:2682 63:1912 64:5630 65:2347 66:4882 67:3029 68:1340 69:4141 70:1191 71:663 72:2942 74:2598 75:1561 76:617 77:2295 78:1823 79:2985 80:2112 81:1833 82:1456 83:1290 84:1521 85:3044 86:763 87:2004 88:1169 89:3871 90:620 91:7804 92:2060 93:2613 94:3511 95:4027 96:1299 97:316 98:1081 99:736 100:90 101:1317 102:2911 103:31951 104:4601 105:560 106:890 107:2682 108:1122 109:4214 110:2126 111:3140 112:2055 113:1743 114:1667 115:1994 116:1889 117:2531 118:2693 119:1961 120:1776 121:1119 122:2586 123:2145 124:1577 125:2516 128:1417 129:916 130:1035 131:1950 132:857 133:408 134:1789 135:306 136:971 137:973 138:2636 139:1567 140:1178 141:1314 142:1503 143:1545 144:988 145:350 146:1939 147:1588 148:2429 149:2252 150:871 151:1231 152:1982 153:523 154:5130 155:1385 156:1926 157:1323 158:1082 159:2242 160:2596 161:1584 162:3528 163:1600 164:1691 165:1861 166:1069 167:1735 168:3712 169:895 170:4648 171:907 172:3731 173:2952 174:979 175:1183 176:3756 177:4439 178:3527 179:2145 180:2490 181:3512 182:3194 183:1996 184:2285 185:20549 186:4680 187:4166 188:4157 189:3814 190:9193 191:1366 192:10927 193:8949 194:7296 195:5205 196:3194 197:2479 198:5903 199:6126 200:7851 201:6003 202:10176 203:9972 204:4543 205:3678 206:4301 207:3393 208:4129 209:4899 210:4203 211:2439 212:4251 213:3403 214:1121 215:58 216:6674 217:2781 218:1267 219:400 220:1802 221:981 222:666 223:2142 End of report