IPv4 R&E Routing Table Report 23:05 GMT Tue 24 Oct, 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: 926482 Prefixes after maximum aggregation (per Origin AS): 353404 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454183 Number of IPv4 prefixes with a valid ROA: 426973 Number of IPv4 prefixes with an invalid ROA: 1632 Number of IPv4 prefixes with no ROA: 497877 Total ASes present in the Internet Routing Table: 74810 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64233 Origin ASes announcing only one prefix: 26443 Transit ASes present in the Internet Routing Table: 10577 Transit-only ASes present in the Internet Routing Table: 472 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1046 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 42907 Number of 32-bit ASNs visible in the Routing Table: 35228 Prefixes from 32-bit ASNs in the Routing Table: 175901 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: 518 Number of addresses announced to Internet: 3050737152 Equivalent to 181 /8s, 214 /16s and 142 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309540 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242106 Total APNIC prefixes after maximum aggregation: 70452 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235612 Unique aggregates announced from the APNIC address blocks: 99201 APNIC Region origin ASes present in the Internet Routing Table: 13632 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4082 APNIC Region transit ASes present in the Internet Routing Table: 1818 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9020 Number of APNIC addresses announced to Internet: 771446528 Equivalent to 45 /8s, 251 /16s and 87 /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: 272427 Total ARIN prefixes after maximum aggregation: 123770 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276166 Unique aggregates announced from the ARIN address blocks: 132202 ARIN Region origin ASes present in the Internet Routing Table: 19033 ARIN Prefixes per ASN: 14.51 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1276531712 Equivalent to 76 /8s, 22 /16s and 84 /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: 261756 Total RIPE prefixes after maximum aggregation: 124038 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256903 Unique aggregates announced from the RIPE address blocks: 160441 RIPE Region origin ASes present in the Internet Routing Table: 28434 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3951 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11382 Number of RIPE addresses announced to Internet: 716479488 Equivalent to 42 /8s, 180 /16s and 156 /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: 118914 Total LACNIC prefixes after maximum aggregation: 28457 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117846 Unique aggregates announced from the LACNIC address blocks: 49265 LACNIC Region origin ASes present in the Internet Routing Table: 11042 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2361 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 40 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8873 Number of LACNIC addresses announced to Internet: 178322944 Equivalent to 10 /8s, 160 /16s and 254 /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: 30233 Total AfriNIC prefixes after maximum aggregation: 5966 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 39437 Unique aggregates announced from the AfriNIC address blocks: 12641 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 623 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107517440 Equivalent to 6 /8s, 104 /16s and 150 /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 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4220 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3617 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3325 1840 100 VNPT-AS-VN VNPT Corp, VN 9498 3215 492 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 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 9160 11005 3302 AMAZON-02, US 11492 4538 301 673 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3555 1320 67 SHAW, CA 22773 3519 3055 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3072 3850 1434 DNIC-ASBLK-00306-00371, US 16625 3032 1397 2307 AKAMAI-AS, US 396982 2704 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2545 23614 1596 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 7423 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3397 147 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3106 277 1525 M247, RO 12389 2890 2295 910 ROSTELECOM-AS, RU 34984 2326 361 592 TELLCOM-AS, TR 58224 1684 916 545 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG 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 11901 3372 611 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2422 333 629 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1058 168 427 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1606 393 19 LINKdotNET-AS, EG 24835 1541 549 28 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 919 520 36 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 24757 479 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 11901 3372 611 UNINET, MX 9808 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9160 11005 3302 AMAZON-02, US 12479 7423 1713 145 UNI2-AS, ES 7545 5713 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 673 CABLEONE, US 18403 4220 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4083 3397 147 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 9497 9457 CHINAMOBILE-CN China Mobile Communications Grou 12479 7423 7278 UNI2-AS, ES 16509 9160 5858 AMAZON-02, US 7545 5713 5019 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4220 4195 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4083 3936 AKAMAI-ASN1, NL 11492 4538 3865 CABLEONE, US 7552 3617 3597 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 17054 EXPEDIENT, 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 23.164.56.0/24 Origin: 216360 CIVILIZED-RIPE, US 23.164.56.0/24 Transit: 32097 WII, US 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 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 /10:37 /11:100 /12:299 /13:578 /14:1193 /15:2089 /16:13437 /17:8237 /18:13692 /19:24781 /20:43258 /21:51152 /22:109839 /23:98764 /24:558986 /25:0 /26:2 /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 6510 7423 UNI2-AS, ES 8151 5932 11901 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3364 3555 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2926 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2578 3519 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2147 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 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) ---------------------------------------------- 1:2209 2:1434 3:270 4:5 5:4388 6:155 7:6 8:1496 9:1 11:172 12:1504 13:360 14:2302 15:306 16:195 17:362 18:663 20:308 21:4 22:188 23:6473 24:2524 25:2 27:2581 29:19 31:2550 32:72 34:27 35:114 36:2003 37:4490 38:5431 39:866 40:149 41:4005 42:2040 43:2264 44:325 45:16688 46:4320 47:371 49:1864 50:1876 51:578 52:1589 54:395 55:960 56:5 57:126 58:1800 59:1113 60:1007 61:2547 62:2690 63:1903 64:5643 65:2298 66:4964 67:3050 68:1345 69:4119 70:1184 71:639 72:2940 74:2619 75:1565 76:629 77:2303 78:1825 79:3007 80:2114 81:1827 82:1519 83:1303 84:1560 85:3050 86:766 87:2010 88:1206 89:3947 90:623 91:7872 92:2071 93:2636 94:3563 95:3997 96:1302 97:316 98:1082 99:735 100:92 101:1384 102:2942 103:32202 104:4786 105:562 106:914 107:2726 108:1135 109:4245 110:2137 111:3124 112:2054 113:1748 114:1694 115:1994 116:1902 117:2519 118:2702 119:1959 120:1784 121:1160 122:2604 123:2172 124:1575 125:2580 128:1399 129:911 130:1036 131:1978 132:859 133:408 134:1770 135:300 136:908 137:980 138:2674 139:1578 140:1313 141:1330 142:1504 143:1532 144:996 145:349 146:1961 147:1612 148:2446 149:2343 150:880 151:1229 152:1954 153:523 154:5146 155:1392 156:2008 157:1359 158:1060 159:2193 160:2630 161:1592 162:3513 163:1612 164:1690 165:1857 166:1046 167:1748 168:3846 169:792 170:4612 171:953 172:3806 173:2994 174:976 175:1189 176:3603 177:4510 178:3541 179:2154 180:2497 181:3567 182:3381 183:1988 184:2268 185:20620 186:4711 187:4213 188:4090 189:3903 190:9326 191:1398 192:10975 193:8958 194:7308 195:5219 196:3204 197:2570 198:5923 199:6321 200:7961 201:6206 202:10204 203:9986 204:4530 205:3681 206:4320 207:3402 208:4096 209:4893 210:4208 211:2447 212:4263 213:3395 214:1114 215:71 216:6702 217:2767 218:1271 219:407 220:1802 221:988 222:670 223:2147 End of report