IPv4 R&E Routing Table Report 23:05 GMT Thu 14 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: 922563 Prefixes after maximum aggregation (per Origin AS): 351682 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453190 Number of IPv4 prefixes with a valid ROA: 419594 Number of IPv4 prefixes with an invalid ROA: 1655 Number of IPv4 prefixes with no ROA: 501314 Total ASes present in the Internet Routing Table: 74617 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64189 Origin ASes announcing only one prefix: 26339 Transit ASes present in the Internet Routing Table: 10428 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 42602 Number of 32-bit ASNs visible in the Routing Table: 35022 Prefixes from 32-bit ASNs in the Routing Table: 174645 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: 590 Number of addresses announced to Internet: 3054971648 Equivalent to 182 /8s, 23 /16s and 43 /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: 308059 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241189 Total APNIC prefixes after maximum aggregation: 70071 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234876 Unique aggregates announced from the APNIC address blocks: 98679 APNIC Region origin ASes present in the Internet Routing Table: 13531 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4020 APNIC Region transit ASes present in the Internet Routing Table: 1804 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: 8922 Number of APNIC addresses announced to Internet: 772270336 Equivalent to 46 /8s, 7 /16s and 233 /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: 270952 Total ARIN prefixes after maximum aggregation: 123354 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273911 Unique aggregates announced from the ARIN address blocks: 131580 ARIN Region origin ASes present in the Internet Routing Table: 19037 ARIN Prefixes per ASN: 14.39 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1879 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1279165696 Equivalent to 76 /8s, 62 /16s and 133 /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: 260963 Total RIPE prefixes after maximum aggregation: 123225 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256690 Unique aggregates announced from the RIPE address blocks: 160331 RIPE Region origin ASes present in the Internet Routing Table: 28394 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3903 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: 11322 Number of RIPE addresses announced to Internet: 716901376 Equivalent to 42 /8s, 187 /16s and 12 /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: 118252 Total LACNIC prefixes after maximum aggregation: 28347 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117218 Unique aggregates announced from the LACNIC address blocks: 49267 LACNIC Region origin ASes present in the Internet Routing Table: 11025 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2320 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8839 Number of LACNIC addresses announced to Internet: 178406912 Equivalent to 10 /8s, 162 /16s and 70 /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: 30148 Total AfriNIC prefixes after maximum aggregation: 5968 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39278 Unique aggregates announced from the AfriNIC address blocks: 12844 AfriNIC Region origin ASes present in the Internet Routing Table: 1785 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1128 Number of AfriNIC addresses announced to Internet: 107773696 Equivalent to 6 /8s, 108 /16s and 127 /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 5727 785 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4313 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3731 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3149 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2512 849 394 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 200 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 9097 10999 3222 AMAZON-02, US 11492 4521 300 673 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3545 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3537 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 2991 1436 2268 AKAMAI-AS, US 367 2973 3831 1397 DNIC-ASBLK-00306-00371, US 396982 2699 3597 392 GOOGLE-CLOUD-PLATFORM, US 30036 2499 357 359 MEDIACOM-ENTERPRISE-BUSINESS, 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 7385 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4065 3398 152 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2904 2296 912 ROSTELECOM-AS, RU 9009 2728 254 1393 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1493 100 1162 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 11825 3368 602 UNINET, MX 10620 3540 506 849 Telmex Colombia S.A., CO 13999 2392 333 622 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 1296 344 509 Axtel, S.A.B. de C.V., MX 3816 1295 764 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1122 181 424 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1029 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 1603 393 19 LINKdotNET-AS, EG 24835 1533 549 28 RAYA-AS, EG 36992 1358 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 920 520 35 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 55 49 WANANCHI-, KE 24757 482 73 5 EthioNet-AS, ET 37342 474 32 1 MOVITEL, MZ 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 11825 3368 602 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9097 10999 3222 AMAZON-02, US 12479 7385 1713 145 UNI2-AS, ES 7545 5727 785 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 673 CABLEONE, US 18403 4313 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4065 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 7385 7240 UNI2-AS, ES 16509 9097 5875 AMAZON-02, US 7545 5727 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4313 4288 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4065 3913 AKAMAI-ASN1, NL 11492 4521 3848 CABLEONE, US 7552 3731 3711 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 /11:102 /12:297 /13:575 /14:1195 /15:2098 /16:13473 /17:8193 /18:13725 /19:24804 /20:43241 /21:50923 /22:109541 /23:98668 /24:555651 /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 6471 7385 UNI2-AS, ES 8151 5847 11825 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4521 CABLEONE, US 6327 3348 3537 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2923 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2593 3545 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2103 3540 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) ---------------------------------------------- 1:2215 2:1420 3:263 4:5 5:4531 6:135 7:6 8:1503 9:1 11:172 12:1518 13:365 14:2311 15:302 16:193 17:366 18:649 20:286 21:4 22:188 23:6357 24:2488 25:2 27:2572 29:19 31:2526 32:77 34:27 35:114 36:1996 37:4532 38:5228 39:870 40:146 41:4035 42:2086 43:2269 44:319 45:16528 46:4271 47:374 49:1823 50:1883 51:597 52:1594 54:396 55:959 56:8 57:123 58:1799 59:1117 60:1002 61:2536 62:2680 63:1910 64:5626 65:2354 66:4885 67:3026 68:1340 69:4142 70:1190 71:662 72:2955 74:2594 75:1562 76:617 77:2294 78:1835 79:2988 80:2115 81:1835 82:1459 83:1289 84:1522 85:3046 86:769 87:1999 88:1169 89:3861 90:621 91:7820 92:2066 93:2614 94:3519 95:4005 96:1297 97:317 98:1082 99:737 100:90 101:1317 102:2908 103:32015 104:4602 105:561 106:891 107:2682 108:1126 109:4209 110:2126 111:3140 112:2064 113:1751 114:1664 115:1994 116:1889 117:2534 118:2698 119:1976 120:1776 121:1119 122:2587 123:2145 124:1581 125:2514 128:1410 129:915 130:1032 131:1952 132:857 133:408 134:1789 135:305 136:908 137:974 138:2629 139:1562 140:1181 141:1302 142:1505 143:1510 144:1003 145:350 146:1938 147:1591 148:2426 149:2255 150:874 151:1231 152:1979 153:522 154:5150 155:1388 156:1927 157:1323 158:1077 159:2241 160:2590 161:1582 162:3521 163:1587 164:1692 165:1855 166:1062 167:1729 168:3711 169:898 170:4641 171:910 172:3706 173:2956 174:978 175:1184 176:3762 177:4467 178:3507 179:2141 180:2490 181:3513 182:3319 183:1999 184:2281 185:20548 186:4662 187:4182 188:4156 189:3836 190:9182 191:1374 192:10945 193:8953 194:7298 195:5204 196:3202 197:2472 198:5910 199:6108 200:7861 201:6032 202:10188 203:9972 204:4543 205:3682 206:4302 207:3389 208:4142 209:4885 210:4200 211:2439 212:4252 213:3409 214:1092 215:58 216:6672 217:2777 218:1266 219:404 220:1801 221:981 222:666 223:2144 End of report