IPv4 R&E Routing Table Report 23:05 GMT Wed 02 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: 953989 Prefixes after maximum aggregation (per Origin AS): 365163 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466940 Number of IPv4 prefixes with a valid ROA: 501243 Number of IPv4 prefixes with an invalid ROA: 1162 Number of IPv4 prefixes with no ROA: 451584 Total ASes present in the Internet Routing Table: 76040 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 65310 Origin ASes announcing only one prefix: 26823 Transit ASes present in the Internet Routing Table: 10730 Transit-only ASes present in the Internet Routing Table: 513 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: 54 Max AS path prepend of ASN ( 37447) 49 Prefixes from unregistered ASNs in the Routing Table: 946 Number of instances of unregistered ASNs: 965 Number of 32-bit ASNs allocated by the RIRs: 45458 Number of 32-bit ASNs visible in the Routing Table: 37083 Prefixes from 32-bit ASNs in the Routing Table: 191923 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: 525 Number of addresses announced to Internet: 3031150080 Equivalent to 180 /8s, 171 /16s and 174 /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: 313147 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251725 Total APNIC prefixes after maximum aggregation: 74677 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243829 Unique aggregates announced from the APNIC address blocks: 100778 APNIC Region origin ASes present in the Internet Routing Table: 14279 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: 1894 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: 9766 Number of APNIC addresses announced to Internet: 758818560 Equivalent to 45 /8s, 58 /16s and 167 /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: 279835 Total ARIN prefixes after maximum aggregation: 125927 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282952 Unique aggregates announced from the ARIN address blocks: 135205 ARIN Region origin ASes present in the Internet Routing Table: 19123 ARIN Prefixes per ASN: 14.80 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1906 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: 4997 Number of ARIN addresses announced to Internet: 1267136512 Equivalent to 75 /8s, 134 /16s and 248 /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: 266751 Total RIPE prefixes after maximum aggregation: 128953 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263398 Unique aggregates announced from the RIPE address blocks: 167758 RIPE Region origin ASes present in the Internet Routing Table: 28718 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12145 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: 12015 Number of RIPE addresses announced to Internet: 723075328 Equivalent to 43 /8s, 25 /16s and 65 /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: 122294 Total LACNIC prefixes after maximum aggregation: 28747 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120082 Unique aggregates announced from the LACNIC address blocks: 48519 LACNIC Region origin ASes present in the Internet Routing Table: 11151 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2479 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9053 Number of LACNIC addresses announced to Internet: 177602304 Equivalent to 10 /8s, 149 /16s and 255 /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: 32438 Total AfriNIC prefixes after maximum aggregation: 6247 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 43203 Unique aggregates announced from the AfriNIC address blocks: 14240 AfriNIC Region origin ASes present in the Internet Routing Table: 1884 AfriNIC Prefixes per ASN: 22.93 AfriNIC Region origin ASes announcing only one prefix: 685 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1252 Number of AfriNIC addresses announced to Internet: 104235264 Equivalent to 6 /8s, 54 /16s and 129 /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 5894 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4425 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3985 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3819 509 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3649 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2831 850 466 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 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 10819 11834 3821 AMAZON-02, US 11492 4649 309 547 CABLEONE, US 174 4496 8769 889 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3410 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3195 23680 1974 ATT-INTERNET4, US 396982 2836 3603 418 GOOGLE-CLOUD-PLATFORM, US 16625 2794 1234 2105 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 4602 278 58 ALJAWWALSTC-AS, SA 20940 3793 3395 125 AKAMAI-ASN1, NL 9009 3683 315 1870 M247, RO 12389 2930 2294 885 ROSTELECOM-AS, RU 34984 2331 357 580 TELLCOM-AS, TR 212238 1775 129 1315 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1568 1852 14 TE-AS TE-AS, EG 8551 1475 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 11564 3245 504 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2552 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 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1116 374 163 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 22884 1070 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1046 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 557 1861 35 IAM-AS, MA 37069 556 1100 11 MOBINIL, EG 36914 528 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 11564 3245 504 UNINET, MX 16509 10819 11834 3821 AMAZON-02, US 9808 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7629 1708 141 UNI2-AS, ES 7545 5894 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4649 309 547 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 174 4496 8769 889 COGENT-174, US 18403 4425 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4165 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 10819 6998 AMAZON-02, US 7545 5894 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4425 4402 FPT-AS-AP FPT Telecom Company, VN 11492 4649 4102 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3985 3960 VIETEL-AS-AP Viettel Group, VN 20940 3793 3668 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 203727 UNALLOCATED 5.42.92.0/24 215826 PARTNER-HOSTING-LTD, GB 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 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 23.140.216.0/24 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 /10:36 /11:92 /12:295 /13:576 /14:1170 /15:2057 /16:13171 /17:8148 /18:13600 /19:24252 /20:43567 /21:51536 /22:111137 /23:99295 /24:585017 /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 5730 11564 UNINET, MX 11492 3554 4649 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3109 4165 VIASAT-SP-BACKBONE, US 22773 2543 3410 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2211 10819 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2160 2499 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1524 3:487 4:8 5:4499 6:163 7:6 8:1509 9:1 11:172 12:1426 13:370 14:2417 15:328 16:264 17:360 18:891 20:409 21:4 22:188 23:6833 24:2652 25:2 27:2644 29:19 31:2781 32:44 34:68 35:139 36:2354 37:4506 38:8625 39:919 40:154 41:4110 42:2092 43:2400 44:334 45:17483 46:4646 47:298 49:1998 50:1872 51:579 52:1577 54:316 55:953 56:8 57:219 58:2170 59:1200 60:1088 61:2768 62:2772 63:1853 64:5436 65:2265 66:4655 67:3023 68:1311 69:3999 70:1130 71:566 72:2841 74:2783 75:1625 76:613 77:2558 78:1861 79:1646 80:2196 81:2018 82:1743 83:1367 84:1734 85:3084 86:1019 87:2147 88:1257 89:4313 90:668 91:8226 92:2588 93:2800 94:3792 95:4274 96:1266 97:316 98:1070 99:737 100:74 101:1163 102:3397 103:32226 104:4459 105:708 106:983 107:2392 108:1160 109:3980 110:2173 111:3311 112:2048 113:1765 114:1896 115:2100 116:1949 117:2714 118:2868 119:1985 120:1867 121:1350 122:2692 123:2135 124:1620 125:2829 126:64 128:1386 129:931 130:1222 131:1833 132:812 133:444 134:1515 135:310 136:1206 137:1071 138:2847 139:1522 140:1453 141:1426 142:1750 143:1599 144:1019 145:368 146:2077 147:2040 148:2539 149:2801 150:1068 151:1372 152:2104 153:500 154:6985 155:1477 156:2565 157:1820 158:1194 159:2443 160:3145 161:1729 162:3558 163:1759 164:1938 165:2140 166:1288 167:1841 168:3998 169:782 170:4924 171:1030 172:3909 173:3102 174:902 175:1259 176:3459 177:4818 178:3586 179:2228 180:2437 181:3885 182:3321 183:2053 184:2261 185:21082 186:5054 187:4299 188:4175 189:4129 190:9642 191:1510 192:11056 193:9238 194:7569 195:5398 196:3240 197:2720 198:5903 199:8116 200:8041 201:6370 202:10215 203:10355 204:4544 205:3643 206:4571 207:3561 208:4186 209:5103 210:4497 211:2564 212:4467 213:3655 214:1065 215:62 216:6597 217:2937 218:1331 219:392 220:2065 221:1047 222:716 223:2241 End of report