IPv4 R&E Routing Table Report 23:05 GMT Mon 12 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: 932829 Prefixes after maximum aggregation (per Origin AS): 356500 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456647 Number of IPv4 prefixes with a valid ROA: 442816 Number of IPv4 prefixes with an invalid ROA: 1048 Number of IPv4 prefixes with no ROA: 488965 Total ASes present in the Internet Routing Table: 75180 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64688 Origin ASes announcing only one prefix: 26511 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 467 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1064 Number of instances of unregistered ASNs: 1066 Number of 32-bit ASNs allocated by the RIRs: 43611 Number of 32-bit ASNs visible in the Routing Table: 35789 Prefixes from 32-bit ASNs in the Routing Table: 180523 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: 491 Number of addresses announced to Internet: 3041001216 Equivalent to 181 /8s, 65 /16s and 255 /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: 309210 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245640 Total APNIC prefixes after maximum aggregation: 72073 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238451 Unique aggregates announced from the APNIC address blocks: 99969 APNIC Region origin ASes present in the Internet Routing Table: 13879 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4179 APNIC Region transit ASes present in the Internet Routing Table: 1847 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9300 Number of APNIC addresses announced to Internet: 773935104 Equivalent to 46 /8s, 33 /16s and 80 /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: 273594 Total ARIN prefixes after maximum aggregation: 123420 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278351 Unique aggregates announced from the ARIN address blocks: 132084 ARIN Region origin ASes present in the Internet Routing Table: 19043 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 1269302016 Equivalent to 75 /8s, 168 /16s and 3 /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: 261416 Total RIPE prefixes after maximum aggregation: 125564 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 256170 Unique aggregates announced from the RIPE address blocks: 161400 RIPE Region origin ASes present in the Internet Routing Table: 28524 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12098 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: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11571 Number of RIPE addresses announced to Internet: 713337088 Equivalent to 42 /8s, 132 /16s and 169 /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: 120616 Total LACNIC prefixes after maximum aggregation: 28658 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119216 Unique aggregates announced from the LACNIC address blocks: 49542 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2366 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: 8911 Number of LACNIC addresses announced to Internet: 177874176 Equivalent to 10 /8s, 154 /16s and 37 /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: 30499 Total AfriNIC prefixes after maximum aggregation: 6077 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40150 Unique aggregates announced from the AfriNIC address blocks: 13246 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.06 AfriNIC Region origin ASes announcing only one prefix: 640 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 1169 Number of AfriNIC addresses announced to Internet: 106256896 Equivalent to 6 /8s, 85 /16s and 90 /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 5676 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 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 3483 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2699 859 384 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 9660 11229 3352 AMAZON-02, US 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3610 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3217 1404 2298 AKAMAI-AS, US 749 3184 54927 2436 DNIC-AS-00749, US 174 3118 6641 663 COGENT-174, US 367 2926 3729 1432 DNIC-ASBLK-00306-00371, US 396982 2752 3639 394 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 7589 1698 149 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3853 3396 132 AKAMAI-ASN1, NL 9009 3298 286 1604 M247, RO 12389 2894 2302 908 ROSTELECOM-AS, RU 8551 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1496 1852 14 TE-AS TE-AS, EG 58224 1488 848 596 TCI, IR 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 12418 3391 622 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 340 498 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 1073 117 375 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 1546 545 28 RAYA-AS, EG 24863 1526 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1127 72 57 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 538 82 3 KENET-AS, KE 15399 536 56 54 WANANCHI-, KE 24757 487 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 12418 3391 622 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9660 11229 3352 AMAZON-02, US 12479 7589 1698 149 UNI2-AS, ES 7545 5676 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4580 304 655 CABLEONE, US 7155 4177 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 7589 7440 UNI2-AS, ES 16509 9660 6308 AMAZON-02, US 7545 5676 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4580 3925 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3853 3721 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 /15:2059 /16:13322 /17:8092 /18:13549 /19:24644 /20:43141 /21:51183 /22:109797 /23:98729 /24:566077 /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 6706 7589 UNI2-AS, ES 8151 6382 12418 UNINET, MX 11492 3494 4580 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2656 3610 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO 8551 2112 2636 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) ---------------------------------------------- 1:2307 2:1453 3:298 4:6 5:4460 6:165 7:6 8:1494 9:1 11:172 12:1480 13:386 14:2336 15:311 16:203 17:360 18:733 20:353 21:4 22:188 23:6585 24:2704 25:2 27:2551 29:19 31:2555 32:53 34:39 35:121 36:2171 37:4474 38:6877 39:900 40:140 41:4059 42:2214 43:2290 44:331 45:16814 46:4329 47:286 49:1899 50:1883 51:568 52:1595 54:344 55:872 56:5 57:145 58:1966 59:1144 60:1018 61:2625 62:2680 63:1922 64:5506 65:2331 66:4878 67:3046 68:1334 69:4082 70:1197 71:578 72:2912 74:2642 75:1551 76:628 77:2347 78:1843 79:2449 80:2128 81:1891 82:1522 83:1246 84:1627 85:3061 86:783 87:1962 88:1218 89:3977 90:672 91:7910 92:2193 93:2632 94:3608 95:4052 96:1283 97:313 98:1031 99:743 100:95 101:1152 102:3090 103:32487 104:4757 105:597 106:917 107:2763 108:1128 109:4012 110:2148 111:3157 112:2061 113:1737 114:1747 115:1980 116:1953 117:2643 118:2750 119:1941 120:1785 121:1260 122:2633 123:2195 124:1600 125:2812 126:28 128:1396 129:917 130:1078 131:1821 132:816 133:411 134:1705 135:310 136:916 137:1009 138:2776 139:1540 140:1360 141:1343 142:1555 143:1511 144:1002 145:343 146:2002 147:1694 148:2508 149:2509 150:1022 151:1325 152:1970 153:527 154:5661 155:1368 156:2091 157:1501 158:1094 159:2202 160:2602 161:1627 162:3598 163:1691 164:1612 165:2107 166:1057 167:1710 168:3812 169:794 170:4701 171:985 172:3811 173:3006 174:897 175:1216 176:3624 177:4546 178:3524 179:2217 180:2368 181:3686 182:3420 183:2015 184:2270 185:20530 186:4853 187:4386 188:4001 189:4050 190:9308 191:1445 192:10972 193:8978 194:7369 195:5245 196:3149 197:2651 198:5899 199:7147 200:8015 201:6340 202:10197 203:10115 204:4532 205:3709 206:4371 207:3402 208:4107 209:4910 210:4364 211:2505 212:4256 213:3407 214:1115 215:44 216:6786 217:2770 218:1313 219:423 220:1823 221:1019 222:691 223:2201 End of report