IPv4 R&E Routing Table Report 23:05 GMT Thu 04 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: 936862 Prefixes after maximum aggregation (per Origin AS): 358687 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459241 Number of IPv4 prefixes with a valid ROA: 458747 Number of IPv4 prefixes with an invalid ROA: 1011 Number of IPv4 prefixes with no ROA: 477104 Total ASes present in the Internet Routing Table: 75441 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64778 Origin ASes announcing only one prefix: 26568 Transit ASes present in the Internet Routing Table: 10663 Transit-only ASes present in the Internet Routing Table: 494 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: 1088 Number of instances of unregistered ASNs: 1090 Number of 32-bit ASNs allocated by the RIRs: 44008 Number of 32-bit ASNs visible in the Routing Table: 36106 Prefixes from 32-bit ASNs in the Routing Table: 182806 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: 626 Number of addresses announced to Internet: 3027210752 Equivalent to 180 /8s, 111 /16s and 146 /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: 309161 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246931 Total APNIC prefixes after maximum aggregation: 72470 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239630 Unique aggregates announced from the APNIC address blocks: 99998 APNIC Region origin ASes present in the Internet Routing Table: 13973 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4222 APNIC Region transit ASes present in the Internet Routing Table: 1860 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9412 Number of APNIC addresses announced to Internet: 759898624 Equivalent to 45 /8s, 75 /16s and 34 /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: 273370 Total ARIN prefixes after maximum aggregation: 123958 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278085 Unique aggregates announced from the ARIN address blocks: 133184 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1912 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4862 Number of ARIN addresses announced to Internet: 1269280256 Equivalent to 75 /8s, 167 /16s and 174 /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: 263559 Total RIPE prefixes after maximum aggregation: 126595 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258310 Unique aggregates announced from the RIPE address blocks: 162982 RIPE Region origin ASes present in the Internet Routing Table: 28601 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12140 RIPE Region transit ASes present in the Internet Routing Table: 3979 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: 11712 Number of RIPE addresses announced to Internet: 714695168 Equivalent to 42 /8s, 153 /16s and 98 /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: 121211 Total LACNIC prefixes after maximum aggregation: 28812 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119512 Unique aggregates announced from the LACNIC address blocks: 49514 LACNIC Region origin ASes present in the Internet Routing Table: 11066 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2596 LACNIC Region transit ASes present in the Internet Routing Table: 2392 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: 8932 Number of LACNIC addresses announced to Internet: 177185280 Equivalent to 10 /8s, 143 /16s and 162 /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: 30703 Total AfriNIC prefixes after maximum aggregation: 6139 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 40699 Unique aggregates announced from the AfriNIC address blocks: 13073 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.39 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 353 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1188 Number of AfriNIC addresses announced to Internet: 105822208 Equivalent to 6 /8s, 78 /16s and 184 /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 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4573 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3862 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3635 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3563 497 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2771 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 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 9808 11366 3387 AMAZON-02, US 11492 4600 305 612 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3515 3043 229 ASN-CXA-ALL-CCI-22773-RDC, US 174 3294 6629 812 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3073 1308 2200 AKAMAI-AS, US 367 2874 3567 1361 DNIC-ASBLK-00306-00371, US 396982 2764 3641 413 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 7664 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3833 3395 126 AKAMAI-ASN1, NL 9009 3265 283 1595 M247, RO 12389 2988 2304 905 ROSTELECOM-AS, RU 8551 2633 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1528 1852 14 TE-AS TE-AS, EG 44477 1513 99 720 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 12361 3315 493 UNINET, MX 10620 3526 496 887 Telmex Colombia S.A., CO 13999 2523 346 658 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1342 2317 245 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1147 177 424 Techtel LMDS Comunicaciones Interactiva 6503 1100 346 480 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1074 114 375 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 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 531 55 54 WANANCHI-, KE 36914 484 82 3 KENET-AS, KE 24757 429 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 12361 3315 493 UNINET, MX 9808 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9808 11366 3387 AMAZON-02, US 12479 7664 1709 144 UNI2-AS, ES 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4600 305 612 CABLEONE, US 18403 4573 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3862 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 9831 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7664 7520 UNI2-AS, ES 16509 9808 6421 AMAZON-02, US 7545 5656 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4573 4548 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4600 3988 CABLEONE, US 7552 3862 3842 VIETEL-AS-AP Viettel Group, VN 20940 3833 3707 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 23.174.200.0/24 Origin: 15353 XENTAIN, CA 23.174.200.0/24 Transit: 396998 PATH-NETWORK, US 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK 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 /12:297 /13:579 /14:1194 /15:2068 /16:13241 /17:8124 /18:13573 /19:24497 /20:42982 /21:50880 /22:110173 /23:98176 /24:570909 /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 6782 7664 UNI2-AS, ES 8151 6374 12361 UNINET, MX 11492 3513 4600 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2614 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2141 2485 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2109 2633 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) ---------------------------------------------- 1:2268 2:1478 3:320 4:6 5:4523 6:161 7:6 8:1504 9:1 11:172 12:1463 13:377 14:2356 15:318 16:209 17:366 18:759 20:358 21:4 22:188 23:6647 24:2719 25:2 27:2615 29:19 31:2663 32:46 34:62 35:123 36:2272 37:4460 38:7143 39:892 40:125 41:4080 42:2208 43:2320 44:317 45:16970 46:4393 47:301 49:1895 50:1910 51:571 52:1587 54:306 55:998 56:5 57:165 58:1977 59:1185 60:1029 61:2615 62:2676 63:1889 64:5543 65:2315 66:4662 67:3061 68:1331 69:4100 70:1193 71:575 72:2898 74:2572 75:1548 76:626 77:2422 78:1841 79:2484 80:2186 81:1942 82:1549 83:1312 84:1637 85:3114 86:836 87:2020 88:1239 89:4020 90:680 91:8056 92:2196 93:2649 94:3659 95:4135 96:1306 97:314 98:1034 99:743 100:94 101:1168 102:3114 103:32463 104:4847 105:635 106:929 107:2750 108:1113 109:4052 110:2139 111:3222 112:2064 113:1794 114:1778 115:2015 116:1864 117:2621 118:2833 119:1961 120:1787 121:1263 122:2667 123:2198 124:1605 125:2846 126:32 128:1424 129:928 130:1095 131:1858 132:797 133:410 134:1717 135:316 136:942 137:1032 138:2811 139:1545 140:1382 141:1362 142:1588 143:1498 144:994 145:346 146:2040 147:1739 148:2473 149:2572 150:1030 151:1335 152:2000 153:523 154:6251 155:1424 156:2224 157:1686 158:1080 159:2313 160:2636 161:1633 162:3588 163:1707 164:1637 165:2131 166:1121 167:1771 168:3902 169:790 170:4719 171:1002 172:3819 173:3032 174:902 175:1199 176:3621 177:4703 178:3585 179:2251 180:2361 181:3660 182:3382 183:2040 184:2263 185:20653 186:4959 187:4480 188:4034 189:4077 190:9288 191:1494 192:10950 193:9042 194:7442 195:5243 196:3150 197:2317 198:5882 199:7544 200:7977 201:6287 202:10184 203:10151 204:4544 205:3699 206:4450 207:3367 208:4114 209:4991 210:4381 211:2488 212:4287 213:3389 214:1082 215:50 216:6763 217:2813 218:1312 219:406 220:1817 221:1033 222:698 223:2207 End of report