IPv4 R&E Routing Table Report 23:05 GMT Tue 26 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: 935835 Prefixes after maximum aggregation (per Origin AS): 357978 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458365 Number of IPv4 prefixes with a valid ROA: 455792 Number of IPv4 prefixes with an invalid ROA: 989 Number of IPv4 prefixes with no ROA: 479054 Total ASes present in the Internet Routing Table: 75380 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64759 Origin ASes announcing only one prefix: 26537 Transit ASes present in the Internet Routing Table: 10621 Transit-only ASes present in the Internet Routing Table: 486 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 (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1087 Number of instances of unregistered ASNs: 1089 Number of 32-bit ASNs allocated by the RIRs: 43905 Number of 32-bit ASNs visible in the Routing Table: 36036 Prefixes from 32-bit ASNs in the Routing Table: 182676 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: 589 Number of addresses announced to Internet: 3027660800 Equivalent to 180 /8s, 118 /16s and 112 /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: 309112 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246518 Total APNIC prefixes after maximum aggregation: 72376 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239198 Unique aggregates announced from the APNIC address blocks: 100042 APNIC Region origin ASes present in the Internet Routing Table: 13968 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4212 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: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9405 Number of APNIC addresses announced to Internet: 760344064 Equivalent to 45 /8s, 81 /16s and 238 /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: 273202 Total ARIN prefixes after maximum aggregation: 123729 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277932 Unique aggregates announced from the ARIN address blocks: 132561 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6960 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: 4859 Number of ARIN addresses announced to Internet: 1269414912 Equivalent to 75 /8s, 169 /16s and 188 /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: 263141 Total RIPE prefixes after maximum aggregation: 126282 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257951 Unique aggregates announced from the RIPE address blocks: 162722 RIPE Region origin ASes present in the Internet Routing Table: 28558 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12109 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11669 Number of RIPE addresses announced to Internet: 714703104 Equivalent to 42 /8s, 153 /16s and 129 /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: 121208 Total LACNIC prefixes after maximum aggregation: 28722 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119572 Unique aggregates announced from the LACNIC address blocks: 49508 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2605 LACNIC Region transit ASes present in the Internet Routing Table: 2388 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8917 Number of LACNIC addresses announced to Internet: 177187328 Equivalent to 10 /8s, 143 /16s and 170 /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: 30679 Total AfriNIC prefixes after maximum aggregation: 6147 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 40593 Unique aggregates announced from the AfriNIC address blocks: 13061 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.33 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 354 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: 1186 Number of AfriNIC addresses announced to Internet: 105699584 Equivalent to 6 /8s, 76 /16s and 217 /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 9848 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5658 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4587 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 863 366 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2196 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 9739 11356 3428 AMAZON-02, US 11492 4595 305 619 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3604 1320 75 SHAW, CA 22773 3595 3060 292 ASN-CXA-ALL-CCI-22773-RDC, US 174 3364 6650 685 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3138 1346 2239 AKAMAI-AS, US 367 2921 3615 1389 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 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 7682 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3845 3395 125 AKAMAI-ASN1, NL 9009 3260 283 1593 M247, RO 12389 2912 2304 906 ROSTELECOM-AS, RU 8551 2648 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1527 1852 14 TE-AS TE-AS, EG 44477 1498 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 12346 3321 494 UNINET, MX 10620 3527 497 888 Telmex Colombia S.A., CO 13999 2515 342 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1146 179 425 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1070 2503 52 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 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 1208 76 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 525 55 53 WANANCHI-, KE 36914 478 82 3 KENET-AS, KE 24757 426 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 12346 3321 494 UNINET, MX 9808 9848 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9739 11356 3428 AMAZON-02, US 12479 7682 1714 147 UNI2-AS, ES 7545 5658 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4595 305 619 CABLEONE, US 18403 4587 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3854 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 9848 9787 CHINAMOBILE-CN China Mobile Communications Grou 12479 7682 7535 UNI2-AS, ES 16509 9739 6311 AMAZON-02, US 7545 5658 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4587 4562 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4595 3976 CABLEONE, US 7552 3854 3834 VIETEL-AS-AP Viettel Group, VN 20940 3845 3720 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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: 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 /11:95 /12:297 /13:578 /14:1193 /15:2064 /16:13241 /17:8128 /18:13564 /19:24522 /20:43070 /21:50885 /22:110100 /23:98154 /24:569870 /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 6795 7682 UNI2-AS, ES 8151 6357 12346 UNINET, MX 11492 3508 4595 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3401 3604 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2641 3595 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2133 3527 Telmex Colombia S.A., CO 8551 2124 2648 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) ---------------------------------------------- 1:2272 2:1476 3:318 4:6 5:4517 6:162 7:6 8:1499 9:1 11:172 12:1467 13:374 14:2363 15:318 16:210 17:367 18:756 20:355 21:4 22:188 23:6620 24:2628 25:2 27:2564 29:19 31:2625 32:46 34:61 35:124 36:2245 37:4488 38:7156 39:894 40:125 41:4085 42:2204 43:2321 44:316 45:16912 46:4398 47:298 49:1894 50:1891 51:573 52:1577 54:307 55:998 56:5 57:164 58:1977 59:1156 60:1026 61:2609 62:2706 63:1906 64:5532 65:2322 66:4681 67:3058 68:1335 69:4079 70:1194 71:575 72:2899 74:2559 75:1550 76:628 77:2420 78:1843 79:2480 80:2163 81:1936 82:1516 83:1282 84:1639 85:3078 86:827 87:2022 88:1237 89:4042 90:679 91:8028 92:2197 93:2647 94:3653 95:4145 96:1305 97:312 98:1040 99:743 100:92 101:1168 102:3067 103:32440 104:4779 105:634 106:928 107:2756 108:1110 109:4051 110:2136 111:3183 112:2062 113:1764 114:1773 115:1998 116:1867 117:2618 118:2843 119:1959 120:1785 121:1268 122:2668 123:2195 124:1549 125:2839 126:32 128:1419 129:919 130:1085 131:1840 132:791 133:410 134:1732 135:317 136:944 137:1032 138:2808 139:1543 140:1378 141:1352 142:1599 143:1486 144:1008 145:345 146:2027 147:1726 148:2336 149:2578 150:1033 151:1335 152:1970 153:523 154:6157 155:1378 156:2217 157:1647 158:1075 159:2269 160:2602 161:1636 162:3597 163:1707 164:1638 165:2124 166:1064 167:1760 168:3931 169:789 170:4709 171:1003 172:3823 173:3040 174:903 175:1200 176:3664 177:4711 178:3580 179:2269 180:2363 181:3668 182:3364 183:2037 184:2263 185:20613 186:4960 187:4500 188:4033 189:4131 190:9311 191:1494 192:10970 193:9039 194:7439 195:5242 196:3155 197:2374 198:5892 199:7532 200:7977 201:6304 202:10162 203:10156 204:4551 205:3704 206:4432 207:3367 208:4124 209:5000 210:4392 211:2485 212:4279 213:3379 214:1084 215:50 216:6771 217:2817 218:1312 219:406 220:1819 221:1030 222:693 223:2206 End of report