IPv4 R&E Routing Table Report 23:05 GMT Sat 01 Feb, 2025 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: 970591 Prefixes after maximum aggregation (per Origin AS): 371793 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473720 Number of IPv4 prefixes with a valid ROA: 524980 Number of IPv4 prefixes with an invalid ROA: 1020 Number of IPv4 prefixes with no ROA: 444591 Total ASes present in the Internet Routing Table: 76393 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65550 Origin ASes announcing only one prefix: 26838 Transit ASes present in the Internet Routing Table: 10843 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 46097 Number of 32-bit ASNs visible in the Routing Table: 37670 Prefixes from 32-bit ASNs in the Routing Table: 198301 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 497 Number of addresses announced to Internet: 3112562688 Equivalent to 185 /8s, 133 /16s and 240 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 318044 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254924 Total APNIC prefixes after maximum aggregation: 76329 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246480 Unique aggregates announced from the APNIC address blocks: 102562 APNIC Region origin ASes present in the Internet Routing Table: 14424 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4405 APNIC Region transit ASes present in the Internet Routing Table: 1939 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: 9949 Number of APNIC addresses announced to Internet: 753160704 Equivalent to 44 /8s, 228 /16s and 82 /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: 285677 Total ARIN prefixes after maximum aggregation: 127193 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287203 Unique aggregates announced from the ARIN address blocks: 135021 ARIN Region origin ASes present in the Internet Routing Table: 19170 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 7024 ARIN Region transit ASes present in the Internet Routing Table: 1915 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5124 Number of ARIN addresses announced to Internet: 1344657152 Equivalent to 80 /8s, 37 /16s and 215 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 271001 Total RIPE prefixes after maximum aggregation: 131733 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268124 Unique aggregates announced from the RIPE address blocks: 171510 RIPE Region origin ASes present in the Internet Routing Table: 28825 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 3953 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12214 Number of RIPE addresses announced to Internet: 732310016 Equivalent to 43 /8s, 166 /16s and 42 /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, 53/8, 57/8, 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: 123177 Total LACNIC prefixes after maximum aggregation: 29178 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120537 Unique aggregates announced from the LACNIC address blocks: 48861 LACNIC Region origin ASes present in the Internet Routing Table: 11181 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2500 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: 9117 Number of LACNIC addresses announced to Internet: 177801728 Equivalent to 10 /8s, 153 /16s and 10 /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: 34755 Total AfriNIC prefixes after maximum aggregation: 6706 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 47750 Unique aggregates announced from the AfriNIC address blocks: 15354 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 25.01 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 365 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 104375808 Equivalent to 6 /8s, 56 /16s and 166 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4182 528 273 BBIL-AP BHARTI Airtel Ltd., IN 18403 4156 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2833 852 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 195 TATACOMM-AS TATA Communications formerly 45090 2207 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 12676 38941 3721 AMAZON-02, US 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 3649 8758 876 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3385 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2905 3657 445 GOOGLE-CLOUD-PLATFORM, US 16625 2872 1235 2138 AKAMAI-AS, US 30036 2577 358 277 MEDIACOM-ENTERPRISE-BUSINESS, 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 7759 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3882 3395 125 AKAMAI-ASN1, NL 9009 3710 319 1909 M247, RO 12389 2983 2302 888 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1905 136 1405 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1603 1852 14 TE-AS TE-AS, EG 62240 1496 99 748 CLOUVIDER Clouvider - Global ASN, GB 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 11682 3224 604 UNINET, MX 10620 3540 492 954 Telmex Colombia S.A., CO 13999 2515 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1137 374 163 Axtel, S.A.B. de C.V., MX 6147 1103 371 22 Telefonica del Peru S.A.A., PE 22884 1076 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1008 278 33 Techtel LMDS Comunicaciones Interactivas 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 1681 601 30 RAYA-AS, EG 24863 1644 389 16 LINKdotNET-AS, EG 29571 1546 98 102 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 867 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 543 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 16509 12676 38941 3721 AMAZON-02, US 8151 11682 3224 604 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7759 1711 144 UNI2-AS, ES 7545 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4697 312 552 CABLEONE, US 9498 4182 528 273 BBIL-AP BHARTI Airtel Ltd., IN 7155 4177 287 86 VIASAT-SP-BACKBONE, US 18403 4156 347 24 FPT-AS-AP FPT Telecom Company, 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 8151 11682 11078 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7759 7615 UNI2-AS, ES 7545 6209 5546 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 11492 4697 4145 CABLEONE, US 18403 4156 4132 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4091 VIASAT-SP-BACKBONE, US 9498 4182 3909 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 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 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /10:42 /11:92 /12:308 /13:585 /14:1215 /15:2144 /16:13894 /17:8209 /18:13633 /19:24444 /20:43739 /21:51738 /22:111835 /23:100546 /24:598135 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6719 7759 UNI2-AS, ES 8151 5893 11682 UNINET, MX 11492 3555 4697 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3125 4177 VIASAT-SP-BACKBONE, US 22773 2520 3385 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2263 12676 AMAZON-02, US 30036 2238 2577 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2180 3540 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2297 2:1518 3:567 4:9 5:4541 6:165 7:6 8:1545 9:1 11:172 12:1382 13:348 14:2499 15:343 16:270 17:358 18:915 20:450 21:4 22:188 23:7213 24:2734 25:2 27:2697 29:19 31:3113 32:38 34:74 35:184 36:2404 37:4608 38:8599 39:895 40:151 41:4187 42:1907 43:2509 44:345 45:18154 46:4964 47:293 49:1986 50:1865 51:588 52:1572 54:307 55:1142 56:9 57:233 58:2208 59:1183 60:1162 61:2836 62:2933 63:1825 64:5491 65:2203 66:4613 67:3027 68:1179 69:4012 70:1102 71:605 72:2856 74:2772 75:1639 76:628 77:2613 78:1851 79:1676 80:2213 81:2047 82:2143 83:1407 84:1797 85:3290 86:1004 87:2184 88:1273 89:4362 90:754 91:8325 92:2777 93:2876 94:3920 95:4166 96:1293 97:308 98:991 99:737 100:71 101:1375 102:3668 103:32358 104:4650 105:751 106:1014 107:2601 108:1164 109:4080 110:2219 111:3396 112:2044 113:1765 114:1940 115:2159 116:2026 117:2746 118:2842 119:1931 120:1870 121:1346 122:2736 123:2149 124:1595 125:2877 126:94 128:1559 129:953 130:1262 131:1862 132:799 133:451 134:1519 135:321 136:1333 137:1098 138:2882 139:1593 140:1530 141:1479 142:1827 143:1611 144:1034 145:459 146:2132 147:2058 148:2589 149:2835 150:1202 151:1643 152:2047 153:504 154:7966 155:1604 156:3617 157:1878 158:1255 159:2417 160:3523 161:1811 162:3647 163:1780 164:1691 165:2171 166:1319 167:1872 168:4044 169:784 170:5050 171:999 172:4287 173:3221 174:916 175:1276 176:3600 177:4732 178:3758 179:2218 180:2530 181:3951 182:3368 183:2035 184:2262 185:21418 186:5085 187:4283 188:4235 189:4118 190:9577 191:1534 192:11219 193:9369 194:7712 195:5458 196:3192 197:3691 198:6046 199:8292 200:8025 201:6294 202:10315 203:10509 204:4524 205:3600 206:4613 207:3498 208:4190 209:5114 210:4491 211:2513 212:4510 213:3736 214:1045 215:42 216:6605 217:3097 218:1334 219:376 220:2111 221:1052 222:716 223:2314 End of report