IPv4 R&E Routing Table Report 23:05 GMT Sat 13 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: 938946 Prefixes after maximum aggregation (per Origin AS): 359233 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459791 Number of IPv4 prefixes with a valid ROA: 462351 Number of IPv4 prefixes with an invalid ROA: 1068 Number of IPv4 prefixes with no ROA: 475527 Total ASes present in the Internet Routing Table: 75450 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64797 Origin ASes announcing only one prefix: 26566 Transit ASes present in the Internet Routing Table: 10653 Transit-only ASes present in the Internet Routing Table: 488 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1091 Number of 32-bit ASNs allocated by the RIRs: 44118 Number of 32-bit ASNs visible in the Routing Table: 36134 Prefixes from 32-bit ASNs in the Routing Table: 184041 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 597 Number of addresses announced to Internet: 3027277312 Equivalent to 180 /8s, 112 /16s and 150 /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: 310002 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247358 Total APNIC prefixes after maximum aggregation: 72663 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239835 Unique aggregates announced from the APNIC address blocks: 100147 APNIC Region origin ASes present in the Internet Routing Table: 13978 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4222 APNIC Region transit ASes present in the Internet Routing Table: 1861 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: 9416 Number of APNIC addresses announced to Internet: 760068352 Equivalent to 45 /8s, 77 /16s and 185 /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: 273899 Total ARIN prefixes after maximum aggregation: 124248 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278607 Unique aggregates announced from the ARIN address blocks: 133241 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 4860 Number of ARIN addresses announced to Internet: 1269070848 Equivalent to 75 /8s, 164 /16s and 124 /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: 264133 Total RIPE prefixes after maximum aggregation: 126650 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258830 Unique aggregates announced from the RIPE address blocks: 163261 RIPE Region origin ASes present in the Internet Routing Table: 28596 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3961 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: 714771200 Equivalent to 42 /8s, 154 /16s and 139 /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: 121554 Total LACNIC prefixes after maximum aggregation: 28825 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119830 Unique aggregates announced from the LACNIC address blocks: 49531 LACNIC Region origin ASes present in the Internet Routing Table: 11078 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2609 LACNIC Region transit ASes present in the Internet Routing Table: 2393 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: 8947 Number of LACNIC addresses announced to Internet: 177092096 Equivalent to 10 /8s, 142 /16s and 54 /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: 30914 Total AfriNIC prefixes after maximum aggregation: 6136 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41247 Unique aggregates announced from the AfriNIC address blocks: 13135 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.66 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 350 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1189 Number of AfriNIC addresses announced to Internet: 105956864 Equivalent to 6 /8s, 80 /16s and 198 /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 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5659 777 676 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4622 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3865 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3594 499 261 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2774 861 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2201 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 9846 11368 3456 AMAZON-02, US 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3516 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3304 6630 813 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3097 1317 2212 AKAMAI-AS, US 367 2805 3544 1336 DNIC-ASBLK-00306-00371, US 396982 2763 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 7711 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3850 3395 126 AKAMAI-ASN1, NL 9009 3275 284 1599 M247, RO 12389 2898 2270 897 ROSTELECOM-AS, RU 8551 2637 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 44477 1535 100 730 STARK-INDUSTRIES, GB 8452 1530 1852 14 TE-AS TE-AS, EG 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 12406 3320 495 UNINET, MX 10620 3534 497 888 Telmex Colombia S.A., CO 13999 2524 347 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1152 177 428 Techtel LMDS Comunicaciones Interactiva 6503 1134 314 479 Axtel, S.A.B. de C.V., MX 6147 1079 369 22 Telefonica del Peru S.A.A., PE 22884 1072 114 373 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 1206 76 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 528 55 55 WANANCHI-, KE 36914 471 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 12406 3320 495 UNINET, MX 16509 9846 11368 3456 AMAZON-02, US 9808 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7711 1709 144 UNI2-AS, ES 7545 5659 777 676 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4622 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3865 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 9839 9776 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7567 UNI2-AS, ES 16509 9846 6390 AMAZON-02, US 7545 5659 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4622 4599 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4602 3997 CABLEONE, US 7552 3865 3845 VIETEL-AS-AP Viettel Group, VN 20940 3850 3724 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 /12:297 /13:578 /14:1194 /15:2065 /16:13229 /17:8131 /18:13576 /19:24499 /20:43001 /21:50917 /22:110337 /23:98431 /24:572522 /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 6830 7711 UNI2-AS, ES 8151 6423 12406 UNINET, MX 11492 3515 4602 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2614 3516 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2147 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2138 3534 Telmex Colombia S.A., CO 8551 2113 2637 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 3:322 4:6 5:4530 6:161 7:6 8:1507 9:1 11:172 12:1463 13:376 14:2355 15:318 16:209 17:367 18:758 20:358 21:4 22:188 23:6656 24:2712 25:2 27:2615 29:19 31:2682 32:45 34:62 35:124 36:2285 37:4466 38:7196 39:891 40:126 41:4080 42:2206 43:2336 44:313 45:16979 46:4420 47:306 49:1897 50:1921 51:573 52:1585 54:312 55:997 56:5 57:163 58:1983 59:1188 60:1033 61:2612 62:2685 63:1893 64:5535 65:2322 66:4661 67:2996 68:1335 69:4097 70:1193 71:578 72:2901 74:2583 75:1549 76:626 77:2425 78:1845 79:2491 80:2184 81:1953 82:1551 83:1314 84:1641 85:3139 86:842 87:2015 88:1242 89:4062 90:677 91:8084 92:2213 93:2658 94:3670 95:4137 96:1293 97:315 98:1040 99:743 100:78 101:1172 102:3138 103:32472 104:4802 105:635 106:930 107:2753 108:1118 109:4076 110:2131 111:3206 112:2065 113:1807 114:1778 115:2033 116:1869 117:2624 118:2847 119:1965 120:1785 121:1264 122:2664 123:2199 124:1606 125:2846 126:32 128:1438 129:923 130:1105 131:1841 132:800 133:410 134:1717 135:319 136:940 137:1029 138:2821 139:1536 140:1388 141:1369 142:1583 143:1487 144:1006 145:347 146:2054 147:1838 148:2486 149:2552 150:1029 151:1339 152:2018 153:523 154:6454 155:1441 156:2373 157:1692 158:1113 159:2316 160:2638 161:1616 162:3573 163:1710 164:1640 165:2130 166:1163 167:1785 168:3899 169:793 170:4808 171:997 172:3808 173:3032 174:897 175:1203 176:3627 177:4670 178:3583 179:2264 180:2356 181:3690 182:3381 183:2037 184:2277 185:20693 186:4997 187:4470 188:4042 189:4154 190:9332 191:1472 192:10935 193:9057 194:7469 195:5259 196:3143 197:2441 198:5895 199:7613 200:8000 201:6311 202:10200 203:10116 204:4539 205:3715 206:4439 207:3380 208:4129 209:5023 210:4394 211:2487 212:4285 213:3419 214:1086 215:50 216:6763 217:2817 218:1311 219:406 220:1812 221:1032 222:697 223:2209 End of report