IPv4 R&E Routing Table Report 23:05 GMT Thu 15 Feb, 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: 933240 Prefixes after maximum aggregation (per Origin AS): 356530 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456887 Number of IPv4 prefixes with a valid ROA: 446307 Number of IPv4 prefixes with an invalid ROA: 1017 Number of IPv4 prefixes with no ROA: 485916 Total ASes present in the Internet Routing Table: 75192 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64692 Origin ASes announcing only one prefix: 26559 Transit ASes present in the Internet Routing Table: 10500 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 105 Max AS path prepend of ASN (149381) 100 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: 43640 Number of 32-bit ASNs visible in the Routing Table: 35808 Prefixes from 32-bit ASNs in the Routing Table: 180551 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3041233152 Equivalent to 181 /8s, 69 /16s and 137 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 309657 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245457 Total APNIC prefixes after maximum aggregation: 72070 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238303 Unique aggregates announced from the APNIC address blocks: 100015 APNIC Region origin ASes present in the Internet Routing Table: 13883 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4185 APNIC Region transit ASes present in the Internet Routing Table: 1855 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 105 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9311 Number of APNIC addresses announced to Internet: 773899520 Equivalent to 46 /8s, 32 /16s and 197 /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: 273635 Total ARIN prefixes after maximum aggregation: 123420 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278375 Unique aggregates announced from the ARIN address blocks: 132164 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1896 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4838 Number of ARIN addresses announced to Internet: 1269411584 Equivalent to 75 /8s, 169 /16s and 175 /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: 261820 Total RIPE prefixes after maximum aggregation: 125576 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 256603 Unique aggregates announced from the RIPE address blocks: 161587 RIPE Region origin ASes present in the Internet Routing Table: 28522 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12099 RIPE Region transit ASes present in the Internet Routing Table: 3889 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11577 Number of RIPE addresses announced to Internet: 713425664 Equivalent to 42 /8s, 134 /16s and 3 /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: 120776 Total LACNIC prefixes after maximum aggregation: 28696 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119331 Unique aggregates announced from the LACNIC address blocks: 49500 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2362 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8909 Number of LACNIC addresses announced to Internet: 177953536 Equivalent to 10 /8s, 155 /16s and 91 /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: 30493 Total AfriNIC prefixes after maximum aggregation: 6063 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 40119 Unique aggregates announced from the AfriNIC address blocks: 13196 AfriNIC Region origin ASes present in the Internet Routing Table: 1822 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 650 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1173 Number of AfriNIC addresses announced to Internet: 106244096 Equivalent to 6 /8s, 85 /16s and 40 /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 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4598 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3487 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3284 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2711 861 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 197 TATACOMM-AS TATA Communications formerl 45090 2149 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 9633 11225 3365 AMAZON-02, US 11492 4581 304 652 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 22773 3609 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3594 1320 74 SHAW, CA 16625 3203 1394 2285 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3138 6641 663 COGENT-174, US 367 2910 3694 1414 DNIC-ASBLK-00306-00371, US 396982 2755 3639 396 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 7606 1714 147 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3877 3396 132 AKAMAI-ASN1, NL 9009 3281 284 1591 M247, RO 12389 2892 2302 907 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1485 97 710 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 12446 3389 609 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2510 341 643 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1205 340 496 Axtel, S.A.B. de C.V., MX 11664 1134 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1063 114 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1547 545 28 RAYA-AS, EG 24863 1530 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1134 73 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 544 82 3 KENET-AS, KE 15399 523 55 52 WANANCHI-, KE 37342 486 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 12446 3389 609 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9633 11225 3365 AMAZON-02, US 12479 7606 1714 147 UNI2-AS, ES 7545 5674 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4598 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4581 304 652 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 7552 3877 1331 21 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 9815 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7606 7459 UNI2-AS, ES 16509 9633 6268 AMAZON-02, US 7545 5674 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4598 4573 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4082 VIASAT-SP-BACKBONE, US 11492 4581 3929 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3877 3745 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 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 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /10:36 /11:98 /12:300 /13:574 /14:1190 /15:2058 /16:13329 /17:8089 /18:13552 /19:24628 /20:43116 /21:51167 /22:109798 /23:98800 /24:566467 /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 6722 7606 UNI2-AS, ES 8151 6401 12446 UNINET, MX 11492 3495 4581 CABLEONE, US 6327 3393 3594 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3122 4178 VIASAT-SP-BACKBONE, US 22773 2655 3609 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2486 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO 8551 2127 2651 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) ---------------------------------------------- 1:2290 2:1539 3:296 4:6 5:4458 6:165 7:6 8:1495 9:1 11:172 12:1468 13:386 14:2343 15:311 16:204 17:361 18:735 20:355 21:4 22:188 23:6584 24:2703 25:2 27:2559 29:19 31:2551 32:45 34:39 35:121 36:2173 37:4469 38:6902 39:900 40:140 41:4050 42:2203 43:2290 44:331 45:16807 46:4360 47:287 49:1907 50:1893 51:571 52:1589 54:336 55:876 56:5 57:146 58:1966 59:1146 60:1018 61:2621 62:2674 63:1918 64:5519 65:2329 66:4889 67:3049 68:1334 69:4094 70:1197 71:578 72:2911 74:2642 75:1554 76:628 77:2385 78:1839 79:2466 80:2132 81:1893 82:1523 83:1251 84:1635 85:3080 86:779 87:1970 88:1221 89:3987 90:676 91:7904 92:2182 93:2629 94:3639 95:4059 96:1285 97:313 98:1030 99:744 100:90 101:1153 102:3081 103:32488 104:4743 105:597 106:915 107:2762 108:1129 109:4019 110:2145 111:3160 112:2060 113:1734 114:1748 115:1979 116:1955 117:2643 118:2754 119:1942 120:1783 121:1261 122:2643 123:2185 124:1559 125:2816 126:28 128:1459 129:914 130:1086 131:1822 132:819 133:412 134:1699 135:310 136:922 137:1021 138:2774 139:1532 140:1364 141:1349 142:1557 143:1472 144:1004 145:343 146:2009 147:1695 148:2510 149:2471 150:1021 151:1325 152:1978 153:528 154:5681 155:1357 156:2090 157:1516 158:1093 159:2200 160:2597 161:1628 162:3603 163:1692 164:1627 165:2111 166:1059 167:1705 168:3805 169:786 170:4705 171:997 172:3826 173:3009 174:896 175:1215 176:3633 177:4571 178:3532 179:2257 180:2361 181:3685 182:3420 183:1984 184:2268 185:20583 186:4826 187:4423 188:3992 189:4084 190:9301 191:1417 192:10968 193:8989 194:7377 195:5247 196:3161 197:2659 198:5905 199:7164 200:8054 201:6304 202:10146 203:10119 204:4535 205:3700 206:4370 207:3400 208:4100 209:4912 210:4365 211:2508 212:4270 213:3397 214:1120 215:44 216:6789 217:2758 218:1313 219:423 220:1823 221:1020 222:692 223:2202 End of report