IPv4 R&E Routing Table Report 23:05 GMT Mon 04 Mar, 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: 933116 Prefixes after maximum aggregation (per Origin AS): 357181 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458118 Number of IPv4 prefixes with a valid ROA: 449254 Number of IPv4 prefixes with an invalid ROA: 1072 Number of IPv4 prefixes with no ROA: 482790 Total ASes present in the Internet Routing Table: 75287 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64790 Origin ASes announcing only one prefix: 26577 Transit ASes present in the Internet Routing Table: 10497 Transit-only ASes present in the Internet Routing Table: 471 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: 48 Max AS path prepend of ASN ( 11432) 44 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: 43762 Number of 32-bit ASNs visible in the Routing Table: 35930 Prefixes from 32-bit ASNs in the Routing Table: 181393 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: 550 Number of addresses announced to Internet: 3040614400 Equivalent to 181 /8s, 60 /16s and 24 /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: 308268 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245640 Total APNIC prefixes after maximum aggregation: 72245 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238405 Unique aggregates announced from the APNIC address blocks: 100099 APNIC Region origin ASes present in the Internet Routing Table: 13921 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4213 APNIC Region transit ASes present in the Internet Routing Table: 1846 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9357 Number of APNIC addresses announced to Internet: 774179584 Equivalent to 46 /8s, 37 /16s and 11 /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: 272583 Total ARIN prefixes after maximum aggregation: 123509 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277279 Unique aggregates announced from the ARIN address blocks: 132648 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 4848 Number of ARIN addresses announced to Internet: 1269827072 Equivalent to 75 /8s, 176 /16s and 6 /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: 262514 Total RIPE prefixes after maximum aggregation: 125886 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257437 Unique aggregates announced from the RIPE address blocks: 162152 RIPE Region origin ASes present in the Internet Routing Table: 28544 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3893 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11633 Number of RIPE addresses announced to Internet: 712556032 Equivalent to 42 /8s, 120 /16s and 190 /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: 120903 Total LACNIC prefixes after maximum aggregation: 28777 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119424 Unique aggregates announced from the LACNIC address blocks: 49553 LACNIC Region origin ASes present in the Internet Routing Table: 11059 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2617 LACNIC Region transit ASes present in the Internet Routing Table: 2365 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8911 Number of LACNIC addresses announced to Internet: 177469440 Equivalent to 10 /8s, 147 /16s and 248 /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: 30388 Total AfriNIC prefixes after maximum aggregation: 6050 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40021 Unique aggregates announced from the AfriNIC address blocks: 13220 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 21.99 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 345 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: 1181 Number of AfriNIC addresses announced to Internet: 106268928 Equivalent to 6 /8s, 85 /16s and 137 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3863 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2750 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 196 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 9689 11296 3347 AMAZON-02, US 11492 4581 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3602 3043 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 174 3210 6642 667 COGENT-174, US 16625 3193 1381 2275 AKAMAI-AS, US 749 3174 54874 2426 DNIC-AS-00749, US 367 2912 3647 1409 DNIC-ASBLK-00306-00371, US 396982 2759 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 7622 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3864 3395 125 AKAMAI-ASN1, NL 9009 3282 285 1599 M247, RO 12389 2893 2304 908 ROSTELECOM-AS, RU 8551 2654 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1517 1852 14 TE-AS TE-AS, EG 44477 1491 98 710 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 12510 3346 607 UNINET, MX 10620 3523 496 892 Telmex Colombia S.A., CO 13999 2527 343 645 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1342 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1210 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1066 2503 53 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 24835 1550 545 28 RAYA-AS, EG 24863 1519 389 20 LINKdotNET-AS, EG 36992 1364 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1159 74 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 520 55 52 WANANCHI-, KE 36914 477 82 3 KENET-AS, KE 24757 459 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 12510 3346 607 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9689 11296 3347 AMAZON-02, US 12479 7622 1714 147 UNI2-AS, ES 7545 5656 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 649 CABLEONE, US 18403 4568 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3864 3395 125 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7622 7475 UNI2-AS, ES 16509 9689 6342 AMAZON-02, US 7545 5656 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4568 4543 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3932 CABLEONE, US 7552 3863 3842 VIETEL-AS-AP Viettel Group, VN 20940 3864 3739 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 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 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 395195 UNALLOCATED 8.38.115.0/24 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 23.176.160.0/24 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 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 6939 HURRICANE, 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 /12:299 /13:573 /14:1191 /15:2058 /16:13336 /17:8120 /18:13565 /19:24541 /20:43067 /21:50793 /22:109749 /23:97985 /24:567667 /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 6735 7622 UNI2-AS, ES 8151 6472 12510 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2649 3602 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2130 2654 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2128 3523 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) ---------------------------------------------- 1:2291 2:1535 3:307 4:6 5:4499 6:161 7:6 8:1498 9:1 11:172 12:1469 13:385 14:2348 15:314 16:208 17:368 18:741 20:356 21:4 22:188 23:6605 24:2700 25:2 27:2570 29:19 31:2618 32:45 34:44 35:122 36:2195 37:4496 38:7066 39:893 40:140 41:4076 42:2188 43:2305 44:324 45:16878 46:4349 47:284 49:1895 50:1897 51:574 52:1586 54:313 55:861 56:5 57:147 58:1967 59:1121 60:1022 61:2611 62:2689 63:1901 64:5510 65:2320 66:4667 67:3048 68:1337 69:4053 70:1197 71:574 72:2893 74:2582 75:1553 76:630 77:2402 78:1840 79:2473 80:2143 81:1924 82:1503 83:1242 84:1645 85:3091 86:836 87:1962 88:1232 89:4007 90:683 91:7950 92:2197 93:2632 94:3653 95:4105 96:1284 97:312 98:1035 99:743 100:91 101:1159 102:3100 103:32463 104:4752 105:608 106:928 107:2763 108:1127 109:4046 110:2138 111:3166 112:2056 113:1756 114:1768 115:1973 116:1942 117:2620 118:2766 119:1953 120:1786 121:1269 122:2673 123:2195 124:1562 125:2833 126:28 128:1502 129:914 130:1086 131:1811 132:810 133:410 134:1710 135:313 136:917 137:1025 138:2811 139:1526 140:1367 141:1352 142:1552 143:1486 144:1015 145:343 146:2018 147:1697 148:2484 149:2557 150:1025 151:1321 152:1975 153:525 154:5727 155:1388 156:2089 157:1563 158:1099 159:2227 160:2602 161:1631 162:3597 163:1707 164:1619 165:2110 166:1070 167:1701 168:3959 169:784 170:4727 171:993 172:3841 173:3016 174:898 175:1216 176:3650 177:4471 178:3560 179:2185 180:2368 181:3667 182:3398 183:2023 184:2259 185:20604 186:4843 187:4429 188:3999 189:4067 190:9267 191:1448 192:10965 193:9008 194:7427 195:5257 196:3143 197:2555 198:5907 199:7317 200:8052 201:6356 202:10149 203:10118 204:4552 205:3704 206:4436 207:3413 208:4137 209:4963 210:4372 211:2485 212:4284 213:3403 214:1104 215:44 216:6740 217:2807 218:1313 219:406 220:1828 221:1023 222:695 223:2206 End of report