IPv4 R&E Routing Table Report 23:05 GMT Fri 04 Oct, 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: 954355 Prefixes after maximum aggregation (per Origin AS): 365332 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467219 Number of IPv4 prefixes with a valid ROA: 502385 Number of IPv4 prefixes with an invalid ROA: 1236 Number of IPv4 prefixes with no ROA: 450734 Total ASes present in the Internet Routing Table: 76065 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 65347 Origin ASes announcing only one prefix: 26817 Transit ASes present in the Internet Routing Table: 10718 Transit-only ASes present in the Internet Routing Table: 504 Paths with bogon ASNs present in the IPv4 Routing Table: 22 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 941 Number of instances of unregistered ASNs: 960 Number of 32-bit ASNs allocated by the RIRs: 45476 Number of 32-bit ASNs visible in the Routing Table: 37101 Prefixes from 32-bit ASNs in the Routing Table: 192278 Number of bogon 32-bit ASNs visible in the Routing Table: 46 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3031230976 Equivalent to 180 /8s, 172 /16s and 234 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 313059 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251772 Total APNIC prefixes after maximum aggregation: 74757 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243942 Unique aggregates announced from the APNIC address blocks: 100852 APNIC Region origin ASes present in the Internet Routing Table: 14283 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4352 APNIC Region transit ASes present in the Internet Routing Table: 1890 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9770 Number of APNIC addresses announced to Internet: 758781952 Equivalent to 45 /8s, 58 /16s and 24 /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: 279962 Total ARIN prefixes after maximum aggregation: 125863 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 283109 Unique aggregates announced from the ARIN address blocks: 135341 ARIN Region origin ASes present in the Internet Routing Table: 19142 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6989 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5012 Number of ARIN addresses announced to Internet: 1267183872 Equivalent to 75 /8s, 135 /16s and 177 /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: 266895 Total RIPE prefixes after maximum aggregation: 129073 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263463 Unique aggregates announced from the RIPE address blocks: 167748 RIPE Region origin ASes present in the Internet Routing Table: 28724 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12135 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12012 Number of RIPE addresses announced to Internet: 723119616 Equivalent to 43 /8s, 25 /16s and 238 /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: 122309 Total LACNIC prefixes after maximum aggregation: 28784 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120086 Unique aggregates announced from the LACNIC address blocks: 48613 LACNIC Region origin ASes present in the Internet Routing Table: 11159 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2469 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: 9058 Number of LACNIC addresses announced to Internet: 177652480 Equivalent to 10 /8s, 150 /16s and 195 /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: 32476 Total AfriNIC prefixes after maximum aggregation: 6248 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 43227 Unique aggregates announced from the AfriNIC address blocks: 14222 AfriNIC Region origin ASes present in the Internet Routing Table: 1882 AfriNIC Prefixes per ASN: 22.97 AfriNIC Region origin ASes announcing only one prefix: 683 AfriNIC Region transit ASes present in the Internet Routing Table: 360 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1249 Number of AfriNIC addresses announced to Internet: 104210176 Equivalent to 6 /8s, 54 /16s and 31 /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 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5922 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4443 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3985 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3827 510 268 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2793 841 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2208 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 10827 11835 3799 AMAZON-02, US 11492 4650 309 548 CABLEONE, US 174 4491 8768 886 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3412 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3196 23677 1975 ATT-INTERNET4, US 396982 2836 3603 418 GOOGLE-CLOUD-PLATFORM, US 16625 2803 1237 2108 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 7629 1708 141 UNI2-AS, ES 39891 4466 269 62 ALJAWWALSTC-AS, SA 20940 3800 3395 125 AKAMAI-ASN1, NL 9009 3663 314 1868 M247, RO 12389 2928 2295 882 ROSTELECOM-AS, RU 34984 2331 357 580 TELLCOM-AS, TR 212238 1762 128 1304 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1568 1852 14 TE-AS TE-AS, EG 8551 1474 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 11571 3247 504 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2550 534 363 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 778 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1146 374 163 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 22884 1070 98 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1045 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 1636 593 29 RAYA-AS, EG 24863 1613 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1340 85 64 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 974 523 47 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 37069 556 1100 11 MOBINIL, EG 36914 527 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 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 11571 3247 504 UNINET, MX 16509 10827 11835 3799 AMAZON-02, US 9808 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7629 1708 141 UNI2-AS, ES 7545 5922 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4650 309 548 CABLEONE, US 174 4491 8768 886 COGENT-174, US 39891 4466 269 62 ALJAWWALSTC-AS, SA 18403 4443 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4163 287 85 VIASAT-SP-BACKBONE, 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 10049 9980 CHINAMOBILE-CN China Mobile Communications Grou 12479 7629 7488 UNI2-AS, ES 16509 10827 7028 AMAZON-02, US 7545 5922 5263 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4443 4420 FPT-AS-AP FPT Telecom Company, VN 39891 4466 4404 ALJAWWALSTC-AS, SA 11492 4650 4102 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3985 3960 VIETEL-AS-AP Viettel Group, VN 20940 3800 3675 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 /10:36 /11:92 /12:296 /13:576 /14:1170 /15:2057 /16:13179 /17:8151 /18:13602 /19:24247 /20:43592 /21:51596 /22:111355 /23:99271 /24:585095 /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 6684 7629 UNI2-AS, ES 8151 5739 11571 UNINET, MX 11492 3555 4650 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3292 4466 ALJAWWALSTC-AS, SA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2545 3412 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2209 10827 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2163 2502 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2272 2:1523 3:488 4:8 5:4402 6:163 7:6 8:1508 9:1 11:172 12:1424 13:373 14:2418 15:327 16:263 17:356 18:890 20:409 21:4 22:188 23:6844 24:2639 25:2 27:2647 29:19 31:2801 32:44 34:68 35:139 36:2354 37:4535 38:8628 39:919 40:154 41:4115 42:2108 43:2402 44:336 45:17504 46:4647 47:300 49:2002 50:1874 51:517 52:1577 54:317 55:953 56:8 57:218 58:2168 59:1199 60:1120 61:2765 62:2780 63:1855 64:5399 65:2264 66:4659 67:2991 68:1334 69:4004 70:1132 71:566 72:2848 74:2795 75:1624 76:611 77:2563 78:1862 79:1647 80:2191 81:2018 82:1734 83:1374 84:1742 85:3095 86:1016 87:2151 88:1256 89:4294 90:666 91:8237 92:2597 93:2811 94:3789 95:4276 96:1269 97:316 98:1073 99:737 100:74 101:1165 102:3404 103:32237 104:4457 105:709 106:985 107:2389 108:1159 109:3991 110:2160 111:3314 112:2043 113:1777 114:1912 115:2102 116:1960 117:2713 118:2866 119:1987 120:1867 121:1350 122:2687 123:2134 124:1619 125:2831 126:64 128:1393 129:932 130:1223 131:1825 132:811 133:444 134:1514 135:311 136:1207 137:1072 138:2860 139:1520 140:1455 141:1431 142:1763 143:1602 144:1015 145:379 146:2085 147:2041 148:2547 149:2799 150:1068 151:1372 152:2105 153:500 154:6979 155:1481 156:2566 157:1826 158:1195 159:2440 160:3149 161:1730 162:3559 163:1753 164:1941 165:2138 166:1289 167:1850 168:4026 169:782 170:4937 171:1032 172:3879 173:3096 174:903 175:1259 176:3456 177:4798 178:3585 179:2207 180:2441 181:3890 182:3321 183:2053 184:2262 185:21090 186:5035 187:4286 188:4169 189:4111 190:9632 191:1518 192:11045 193:9243 194:7576 195:5403 196:3245 197:2718 198:5908 199:8134 200:8048 201:6330 202:10217 203:10349 204:4537 205:3650 206:4574 207:3559 208:4186 209:5111 210:4497 211:2564 212:4466 213:3677 214:1065 215:62 216:6627 217:2935 218:1324 219:393 220:2064 221:1047 222:716 223:2237 End of report