IPv4 R&E Routing Table Report 23:05 GMT Wed 17 Jul, 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: 945998 Prefixes after maximum aggregation (per Origin AS): 362491 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465847 Number of IPv4 prefixes with a valid ROA: 485977 Number of IPv4 prefixes with an invalid ROA: 1062 Number of IPv4 prefixes with no ROA: 458959 Total ASes present in the Internet Routing Table: 75756 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65172 Origin ASes announcing only one prefix: 26672 Transit ASes present in the Internet Routing Table: 10584 Transit-only ASes present in the Internet Routing Table: 501 Paths with bogon ASNs present in the IPv4 Routing Table: 24 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 1010 Number of instances of unregistered ASNs: 1021 Number of 32-bit ASNs allocated by the RIRs: 44992 Number of 32-bit ASNs visible in the Routing Table: 36676 Prefixes from 32-bit ASNs in the Routing Table: 187961 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 560 Number of addresses announced to Internet: 3025620480 Equivalent to 180 /8s, 87 /16s and 78 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310620 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249703 Total APNIC prefixes after maximum aggregation: 73883 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 241709 Unique aggregates announced from the APNIC address blocks: 101924 APNIC Region origin ASes present in the Internet Routing Table: 14173 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4305 APNIC Region transit ASes present in the Internet Routing Table: 1886 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9641 Number of APNIC addresses announced to Internet: 761291008 Equivalent to 45 /8s, 96 /16s and 97 /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: 276674 Total ARIN prefixes after maximum aggregation: 125117 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281101 Unique aggregates announced from the ARIN address blocks: 134563 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.73 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1891 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4936 Number of ARIN addresses announced to Internet: 1266907392 Equivalent to 75 /8s, 131 /16s and 121 /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: 264929 Total RIPE prefixes after maximum aggregation: 127538 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260180 Unique aggregates announced from the RIPE address blocks: 165117 RIPE Region origin ASes present in the Internet Routing Table: 28625 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3883 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11871 Number of RIPE addresses announced to Internet: 714822912 Equivalent to 42 /8s, 155 /16s and 85 /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: 121641 Total LACNIC prefixes after maximum aggregation: 29026 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119623 Unique aggregates announced from the LACNIC address blocks: 50257 LACNIC Region origin ASes present in the Internet Routing Table: 11121 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2421 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: 9008 Number of LACNIC addresses announced to Internet: 177063168 Equivalent to 10 /8s, 141 /16s and 197 /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: 32041 Total AfriNIC prefixes after maximum aggregation: 6257 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 42825 Unique aggregates announced from the AfriNIC address blocks: 13527 AfriNIC Region origin ASes present in the Internet Routing Table: 1859 AfriNIC Prefixes per ASN: 23.04 AfriNIC Region origin ASes announcing only one prefix: 669 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1220 Number of AfriNIC addresses announced to Internet: 105175808 Equivalent to 6 /8s, 68 /16s and 219 /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 9843 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5657 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4199 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3946 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3239 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2822 859 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2197 434 201 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10139 11542 3637 AMAZON-02, US 11492 4594 305 586 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3785 8790 885 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54899 2505 DNIC-AS-00749, US 16625 3007 1296 2170 AKAMAI-AS, US 7018 2950 23687 1847 ATT-INTERNET4, US 396982 2762 3594 410 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 7695 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3814 3396 130 AKAMAI-ASN1, NL 9009 3569 304 1813 M247, RO 12389 2868 2292 858 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1771 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1710 123 1249 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1578 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 11863 3306 508 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2543 354 679 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 777 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 26615 1084 2503 53 TIM SA, BR 6147 1079 369 22 Telefonica del Peru S.A.A., PE 22884 1062 97 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 24863 1612 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1266 80 74 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 941 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 37342 528 32 1 MOVITEL, MZ 15399 519 56 58 WANANCHI-, KE 36914 499 82 3 KENET-AS, KE 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 11863 3306 508 UNINET, MX 16509 10139 11542 3637 AMAZON-02, US 9808 9843 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7695 1708 145 UNI2-AS, ES 7545 5657 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4594 305 586 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4199 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3946 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 9843 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7695 7550 UNI2-AS, ES 16509 10139 6502 AMAZON-02, US 7545 5657 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4199 4176 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4594 4008 CABLEONE, US 7552 3946 3925 VIETEL-AS-AP Viettel Group, VN 20940 3814 3684 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-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /9:16 /10:37 /11:92 /12:294 /13:570 /14:1165 /15:2054 /16:13178 /17:8144 /18:13590 /19:24321 /20:43065 /21:51217 /22:110595 /23:99173 /24:578463 /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 6786 7695 UNI2-AS, ES 8151 5921 11863 UNINET, MX 11492 3507 4594 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2130 10139 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2299 2:1438 3:375 4:6 5:4328 6:149 7:6 8:1509 9:1 11:172 12:1434 13:363 14:2332 15:321 16:219 17:365 18:780 20:384 21:4 22:188 23:6888 24:2677 25:2 27:2620 29:19 31:2594 32:44 34:65 35:133 36:2348 37:4529 38:8104 39:907 40:149 41:4114 42:1989 43:2365 44:325 45:17332 46:4488 47:299 49:1954 50:1861 51:580 52:1569 54:314 55:920 56:8 57:214 58:2142 59:1200 60:1050 61:2678 62:2757 63:1882 64:5462 65:2293 66:4609 67:3005 68:1307 69:4045 70:1159 71:558 72:2856 74:2595 75:1551 76:622 77:2483 78:1856 79:1785 80:2177 81:1996 82:1641 83:1359 84:1693 85:3170 86:926 87:2007 88:1240 89:4187 90:691 91:8155 92:2333 93:2714 94:3747 95:4173 96:1278 97:317 98:1026 99:739 100:73 101:1162 102:3523 103:32316 104:4756 105:697 106:996 107:2487 108:1149 109:4036 110:2124 111:3250 112:2047 113:1808 114:1817 115:2078 116:1946 117:2663 118:2803 119:1977 120:1782 121:1304 122:2693 123:2255 124:1608 125:2833 126:32 128:1378 129:922 130:1168 131:1876 132:802 133:416 134:1729 135:319 136:1121 137:1052 138:2871 139:1527 140:1418 141:1372 142:1668 143:1620 144:1025 145:359 146:2094 147:1997 148:2549 149:2742 150:1032 151:1339 152:2213 153:522 154:6850 155:1431 156:2181 157:1885 158:1112 159:2431 160:2817 161:1696 162:3522 163:1698 164:1675 165:2131 166:1247 167:1814 168:4038 169:805 170:4912 171:1029 172:3876 173:3050 174:891 175:1242 176:3410 177:4686 178:3585 179:2197 180:2413 181:3802 182:3333 183:1979 184:2254 185:20839 186:5007 187:4408 188:4050 189:4176 190:9445 191:1524 192:11021 193:9165 194:7469 195:5291 196:3208 197:2777 198:5911 199:8012 200:8019 201:6213 202:10232 203:10258 204:4561 205:3645 206:4445 207:3492 208:4157 209:4985 210:4406 211:2528 212:4347 213:3589 214:1065 215:49 216:6723 217:3056 218:1325 219:429 220:1810 221:1024 222:691 223:2225 End of report