IPv4 R&E Routing Table Report 23:05 GMT Mon 23 Sep, 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: 952268 Prefixes after maximum aggregation (per Origin AS): 365002 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466516 Number of IPv4 prefixes with a valid ROA: 499319 Number of IPv4 prefixes with an invalid ROA: 1395 Number of IPv4 prefixes with no ROA: 451554 Total ASes present in the Internet Routing Table: 76018 Prefixes per ASN: 12.53 Origin-only ASes present in the Internet Routing Table: 65289 Origin ASes announcing only one prefix: 26772 Transit ASes present in the Internet Routing Table: 10729 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 86 Max AS path prepend of ASN ( 37447) 82 Prefixes from unregistered ASNs in the Routing Table: 961 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 45413 Number of 32-bit ASNs visible in the Routing Table: 37034 Prefixes from 32-bit ASNs in the Routing Table: 191590 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3034057216 Equivalent to 180 /8s, 216 /16s and 10 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 312536 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251717 Total APNIC prefixes after maximum aggregation: 74801 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243378 Unique aggregates announced from the APNIC address blocks: 100652 APNIC Region origin ASes present in the Internet Routing Table: 14262 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4346 APNIC Region transit ASes present in the Internet Routing Table: 1893 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9742 Number of APNIC addresses announced to Internet: 761697280 Equivalent to 45 /8s, 102 /16s and 148 /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: 278920 Total ARIN prefixes after maximum aggregation: 125819 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282476 Unique aggregates announced from the ARIN address blocks: 135236 ARIN Region origin ASes present in the Internet Routing Table: 19112 ARIN Prefixes per ASN: 14.78 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1914 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4996 Number of ARIN addresses announced to Internet: 1266922752 Equivalent to 75 /8s, 131 /16s and 181 /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: 266302 Total RIPE prefixes after maximum aggregation: 128770 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263010 Unique aggregates announced from the RIPE address blocks: 167294 RIPE Region origin ASes present in the Internet Routing Table: 28717 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3921 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11991 Number of RIPE addresses announced to Internet: 723310080 Equivalent to 43 /8s, 28 /16s and 214 /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: 122307 Total LACNIC prefixes after maximum aggregation: 28732 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120105 Unique aggregates announced from the LACNIC address blocks: 48547 LACNIC Region origin ASes present in the Internet Routing Table: 11150 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2478 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9056 Number of LACNIC addresses announced to Internet: 177632768 Equivalent to 10 /8s, 150 /16s and 118 /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: 32061 Total AfriNIC prefixes after maximum aggregation: 6250 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 42756 Unique aggregates announced from the AfriNIC address blocks: 14325 AfriNIC Region origin ASes present in the Internet Routing Table: 1885 AfriNIC Prefixes per ASN: 22.68 AfriNIC Region origin ASes announcing only one prefix: 688 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 86 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1249 Number of AfriNIC addresses announced to Internet: 104197120 Equivalent to 6 /8s, 53 /16s and 236 /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 10046 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5769 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4348 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3987 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3801 508 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3641 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2820 850 467 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 1439 86 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 10753 11818 3769 AMAZON-02, US 11492 4646 309 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3989 8780 917 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3409 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3113 23688 1953 ATT-INTERNET4, US 396982 2833 3603 427 GOOGLE-CLOUD-PLATFORM, US 16625 2793 1234 2103 AKAMAI-AS, 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 7639 1708 145 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3782 3395 125 AKAMAI-ASN1, NL 9009 3669 312 1874 M247, RO 12389 2864 2283 864 ROSTELECOM-AS, RU 34984 2326 357 582 TELLCOM-AS, TR 212238 1788 128 1323 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1560 1852 14 TE-AS TE-AS, EG 8551 1463 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11701 3251 500 UNINET, MX 10620 3544 494 936 Telmex Colombia S.A., CO 13999 2554 534 365 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 782 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1103 369 22 Telefonica del Peru S.A.A., PE 22884 1067 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1047 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 1621 593 29 RAYA-AS, EG 24863 1610 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1341 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 974 523 47 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 530 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 512 57 58 WANANCHI-, 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 11701 3251 500 UNINET, MX 16509 10753 11818 3769 AMAZON-02, US 9808 10046 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7639 1708 145 UNI2-AS, ES 7545 5769 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4646 309 547 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 18403 4348 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3989 8780 917 COGENT-174, US 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 10046 9977 CHINAMOBILE-CN China Mobile Communications Grou 12479 7639 7494 UNI2-AS, ES 16509 10753 6984 AMAZON-02, US 7545 5769 5110 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4348 4325 FPT-AS-AP FPT Telecom Company, VN 11492 4646 4099 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3987 3962 VIETEL-AS-AP Viettel Group, VN 20940 3782 3657 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: 3491 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 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 /12:295 /13:575 /14:1168 /15:2064 /16:13189 /17:8143 /18:13600 /19:24249 /20:43407 /21:51387 /22:111047 /23:99503 /24:583472 /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 6682 7639 UNI2-AS, ES 8151 5876 11701 UNINET, MX 11492 3554 4646 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2542 3409 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2185 10753 AMAZON-02, US 10620 2173 3544 Telmex Colombia S.A., CO 30036 2154 2491 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2269 2:1518 3:478 4:8 5:4488 6:161 7:6 8:1507 9:1 11:172 12:1427 13:369 14:2391 15:328 16:262 17:360 18:891 20:408 21:4 22:188 23:6849 24:2675 25:2 27:2631 29:19 31:2736 32:44 34:68 35:139 36:2359 37:4521 38:8594 39:917 40:154 41:4134 42:2033 43:2412 44:331 45:17476 46:4639 47:300 49:1998 50:1873 51:579 52:1576 54:317 55:963 56:8 57:220 58:2166 59:1197 60:1077 61:2762 62:2771 63:1845 64:5388 65:2274 66:4643 67:2990 68:1335 69:3991 70:1133 71:568 72:2853 74:2781 75:1627 76:619 77:2553 78:1858 79:1630 80:2195 81:2012 82:1692 83:1370 84:1752 85:3105 86:992 87:2071 88:1255 89:4312 90:679 91:8242 92:2487 93:2764 94:3785 95:4281 96:1275 97:316 98:1074 99:737 100:73 101:1164 102:3363 103:32194 104:4451 105:704 106:985 107:2380 108:1148 109:3973 110:2145 111:3305 112:2049 113:1775 114:1891 115:2084 116:1958 117:2677 118:2863 119:1988 120:1870 121:1347 122:2692 123:2126 124:1617 125:2828 126:64 128:1372 129:931 130:1225 131:1835 132:810 133:444 134:1506 135:310 136:1200 137:1063 138:2855 139:1510 140:1453 141:1445 142:1754 143:1607 144:1025 145:372 146:2080 147:2036 148:2538 149:2794 150:1066 151:1367 152:2097 153:502 154:6519 155:1501 156:2471 157:1817 158:1195 159:2442 160:3096 161:1727 162:3561 163:1756 164:1939 165:2144 166:1310 167:1833 168:4028 169:781 170:4940 171:1035 172:3904 173:3062 174:903 175:1254 176:3447 177:4812 178:3597 179:2182 180:2437 181:3886 182:3319 183:2053 184:2257 185:21063 186:4988 187:4281 188:4175 189:4142 190:9617 191:1510 192:11054 193:9243 194:7546 195:5394 196:3214 197:2706 198:5916 199:8119 200:8139 201:6353 202:10229 203:10363 204:4569 205:3649 206:4435 207:3500 208:4167 209:5099 210:4492 211:2560 212:4458 213:3659 214:1068 215:62 216:6650 217:2930 218:1322 219:389 220:2042 221:1046 222:713 223:2231 End of report