IPv4 R&E Routing Table Report 23:05 GMT Thu 18 Apr, 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: 939338 Prefixes after maximum aggregation (per Origin AS): 359457 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459955 Number of IPv4 prefixes with a valid ROA: 462923 Number of IPv4 prefixes with an invalid ROA: 1068 Number of IPv4 prefixes with no ROA: 475347 Total ASes present in the Internet Routing Table: 75476 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64804 Origin ASes announcing only one prefix: 26557 Transit ASes present in the Internet Routing Table: 10672 Transit-only ASes present in the Internet Routing Table: 495 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1027 Number of instances of unregistered ASNs: 1030 Number of 32-bit ASNs allocated by the RIRs: 44183 Number of 32-bit ASNs visible in the Routing Table: 36167 Prefixes from 32-bit ASNs in the Routing Table: 184510 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: 544 Number of addresses announced to Internet: 3027278592 Equivalent to 180 /8s, 112 /16s and 155 /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: 309863 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247895 Total APNIC prefixes after maximum aggregation: 72826 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240145 Unique aggregates announced from the APNIC address blocks: 100295 APNIC Region origin ASes present in the Internet Routing Table: 14000 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4242 APNIC Region transit ASes present in the Internet Routing Table: 1866 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9439 Number of APNIC addresses announced to Internet: 761270016 Equivalent to 45 /8s, 96 /16s and 15 /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: 274032 Total ARIN prefixes after maximum aggregation: 124352 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278882 Unique aggregates announced from the ARIN address blocks: 133269 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1915 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4866 Number of ARIN addresses announced to Internet: 1268730368 Equivalent to 75 /8s, 159 /16s and 74 /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, 393216-402332 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: 263993 Total RIPE prefixes after maximum aggregation: 126548 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258702 Unique aggregates announced from the RIPE address blocks: 163382 RIPE Region origin ASes present in the Internet Routing Table: 28590 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12108 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11722 Number of RIPE addresses announced to Internet: 714569216 Equivalent to 42 /8s, 151 /16s and 118 /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: 121521 Total LACNIC prefixes after maximum aggregation: 28865 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119765 Unique aggregates announced from the LACNIC address blocks: 49526 LACNIC Region origin ASes present in the Internet Routing Table: 11077 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2601 LACNIC Region transit ASes present in the Internet Routing Table: 2398 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: 8950 Number of LACNIC addresses announced to Internet: 177135104 Equivalent to 10 /8s, 142 /16s and 222 /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: 30870 Total AfriNIC prefixes after maximum aggregation: 6177 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 41300 Unique aggregates announced from the AfriNIC address blocks: 13062 AfriNIC Region origin ASes present in the Internet Routing Table: 1823 AfriNIC Prefixes per ASN: 22.65 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1190 Number of AfriNIC addresses announced to Internet: 105275392 Equivalent to 6 /8s, 70 /16s and 96 /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 9872 8743 64 CHINAMOBILE-CN China Mobile Communicati 7545 5664 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4587 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3864 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3595 499 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3291 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2782 864 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2199 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 9855 11367 3482 AMAZON-02, US 11492 4603 305 604 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3607 1320 75 SHAW, CA 22773 3509 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3302 6629 815 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3087 1309 2199 AKAMAI-AS, US 367 2820 3548 1346 DNIC-ASBLK-00306-00371, US 7018 2785 23648 1783 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 7691 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3854 3395 126 AKAMAI-ASN1, NL 9009 3283 285 1606 M247, RO 12389 2706 2252 798 ROSTELECOM-AS, RU 8551 2630 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 364 582 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1549 1852 14 TE-AS TE-AS, EG 44477 1538 100 729 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 12400 3318 496 UNINET, MX 10620 3524 495 908 Telmex Colombia S.A., CO 13999 2529 350 659 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1340 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1155 175 430 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1080 369 21 Telefonica del Peru S.A.A., PE 22884 1067 114 386 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 1549 545 28 RAYA-AS, EG 24863 1501 389 20 LINKdotNET-AS, EG 36992 1365 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1161 75 77 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 529 56 55 WANANCHI-, KE 36914 483 82 3 KENET-AS, KE 24757 436 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 12400 3318 496 UNINET, MX 9808 9872 8743 64 CHINAMOBILE-CN China Mobile Communicati 16509 9855 11367 3482 AMAZON-02, US 12479 7691 1709 144 UNI2-AS, ES 7545 5664 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4603 305 604 CABLEONE, US 18403 4587 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3864 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 9872 9808 CHINAMOBILE-CN China Mobile Communications Grou 12479 7691 7547 UNI2-AS, ES 16509 9855 6373 AMAZON-02, US 7545 5664 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4587 4564 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4603 3999 CABLEONE, US 7552 3864 3844 VIETEL-AS-AP Viettel Group, VN 20940 3854 3728 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy 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 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 /12:298 /13:579 /14:1194 /15:2063 /16:13225 /17:8124 /18:13527 /19:24492 /20:43014 /21:50909 /22:110403 /23:98502 /24:572839 /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 6806 7691 UNI2-AS, ES 8151 6421 12400 UNINET, MX 11492 3516 4603 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3404 3607 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2608 3509 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2137 3524 Telmex Colombia S.A., CO 8551 2106 2630 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) ---------------------------------------------- 1:2297 2:1495 3:325 4:6 5:4526 6:163 7:6 8:1506 9:1 11:172 12:1461 13:372 14:2358 15:317 16:209 17:367 18:764 20:361 21:4 22:188 23:6664 24:2706 25:2 27:2589 29:19 31:2680 32:45 34:62 35:128 36:2304 37:4464 38:7254 39:891 40:126 41:4074 42:2189 43:2348 44:314 45:17002 46:4433 47:305 49:1897 50:1922 51:571 52:1584 54:311 55:1001 56:5 57:167 58:2006 59:1191 60:1033 61:2620 62:2687 63:1890 64:5539 65:2355 66:4669 67:2999 68:1335 69:4112 70:1191 71:578 72:2890 74:2587 75:1551 76:609 77:2425 78:1844 79:2486 80:2183 81:1957 82:1561 83:1314 84:1633 85:3124 86:840 87:1974 88:1236 89:4066 90:614 91:8091 92:2203 93:2659 94:3619 95:4135 96:1293 97:314 98:1043 99:742 100:78 101:1172 102:3128 103:32485 104:4839 105:651 106:938 107:2768 108:1110 109:4095 110:2141 111:3243 112:2065 113:1808 114:1772 115:2032 116:1866 117:2623 118:2841 119:1968 120:1782 121:1263 122:2649 123:2208 124:1607 125:2850 126:32 128:1428 129:927 130:1112 131:1847 132:791 133:410 134:1715 135:319 136:938 137:1029 138:2811 139:1533 140:1387 141:1367 142:1580 143:1482 144:1004 145:343 146:2062 147:1846 148:2495 149:2565 150:1034 151:1344 152:2019 153:524 154:6475 155:1451 156:2434 157:1707 158:1117 159:2320 160:2622 161:1619 162:3582 163:1689 164:1632 165:2133 166:1166 167:1780 168:3897 169:789 170:4820 171:997 172:3816 173:3025 174:897 175:1200 176:3637 177:4665 178:3573 179:2263 180:2362 181:3692 182:3382 183:2045 184:2275 185:20706 186:5004 187:4480 188:4046 189:4168 190:9351 191:1459 192:10943 193:9052 194:7456 195:5260 196:3134 197:2455 198:5903 199:7632 200:7999 201:6325 202:10205 203:10126 204:4539 205:3748 206:4440 207:3372 208:4129 209:5017 210:4394 211:2486 212:4254 213:3413 214:1093 215:50 216:6765 217:2820 218:1312 219:405 220:1818 221:1033 222:697 223:2209 End of report