IPv4 R&E Routing Table Report 23:05 GMT Mon 22 Apr, 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: 939009 Prefixes after maximum aggregation (per Origin AS): 359670 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 460303 Number of IPv4 prefixes with a valid ROA: 463894 Number of IPv4 prefixes with an invalid ROA: 1114 Number of IPv4 prefixes with no ROA: 474001 Total ASes present in the Internet Routing Table: 75484 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64923 Origin ASes announcing only one prefix: 26565 Transit ASes present in the Internet Routing Table: 10561 Transit-only ASes present in the Internet Routing Table: 495 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1050 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 44225 Number of 32-bit ASNs visible in the Routing Table: 36189 Prefixes from 32-bit ASNs in the Routing Table: 184609 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3027407360 Equivalent to 180 /8s, 114 /16s and 146 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309700 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247880 Total APNIC prefixes after maximum aggregation: 72890 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240081 Unique aggregates announced from the APNIC address blocks: 100364 APNIC Region origin ASes present in the Internet Routing Table: 14003 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4231 APNIC Region transit ASes present in the Internet Routing Table: 1858 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9446 Number of APNIC addresses announced to Internet: 761006336 Equivalent to 45 /8s, 92 /16s and 9 /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: 273956 Total ARIN prefixes after maximum aggregation: 124492 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278695 Unique aggregates announced from the ARIN address blocks: 133346 ARIN Region origin ASes present in the Internet Routing Table: 19094 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6958 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: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4874 Number of ARIN addresses announced to Internet: 1268686848 Equivalent to 75 /8s, 158 /16s and 160 /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: 263966 Total RIPE prefixes after maximum aggregation: 126595 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258798 Unique aggregates announced from the RIPE address blocks: 163499 RIPE Region origin ASes present in the Internet Routing Table: 28590 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12119 RIPE Region transit ASes present in the Internet Routing Table: 3929 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11728 Number of RIPE addresses announced to Internet: 714423552 Equivalent to 42 /8s, 149 /16s and 61 /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: 121187 Total LACNIC prefixes after maximum aggregation: 28849 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119431 Unique aggregates announced from the LACNIC address blocks: 49508 LACNIC Region origin ASes present in the Internet Routing Table: 11076 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2613 LACNIC Region transit ASes present in the Internet Routing Table: 2362 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8948 Number of LACNIC addresses announced to Internet: 177127936 Equivalent to 10 /8s, 142 /16s and 194 /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: 30970 Total AfriNIC prefixes after maximum aggregation: 6158 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 41424 Unique aggregates announced from the AfriNIC address blocks: 13127 AfriNIC Region origin ASes present in the Internet Routing Table: 1823 AfriNIC Prefixes per ASN: 22.72 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1193 Number of AfriNIC addresses announced to Internet: 105850880 Equivalent to 6 /8s, 79 /16s and 40 /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 9870 8743 63 CHINAMOBILE-CN China Mobile Communicati 7545 5665 777 679 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4586 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3881 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3600 499 258 BBIL-AP BHARTI Airtel Ltd., IN 7713 3597 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2782 864 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9827 11362 3476 AMAZON-02, US 11492 4603 305 604 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3608 1320 75 SHAW, CA 22773 3498 3042 229 ASN-CXA-ALL-CCI-22773-RDC, US 174 3420 6628 826 COGENT-174, US 749 3201 54912 2453 DNIC-AS-00749, US 16625 3077 1302 2194 AKAMAI-AS, US 367 2838 3552 1361 DNIC-ASBLK-00306-00371, US 7018 2779 23649 1781 ATT-INTERNET4, 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 7718 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3851 3395 126 AKAMAI-ASN1, NL 9009 3296 285 1615 M247, RO 12389 2709 2252 798 ROSTELECOM-AS, RU 8551 2637 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1574 98 93 TRIOLAN, UA 8452 1561 1852 14 TE-AS TE-AS, EG 44477 1537 100 730 STARK-INDUSTRIES, 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 12419 3319 489 UNINET, MX 10620 3525 495 909 Telmex Colombia S.A., CO 13999 2530 350 660 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1340 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1314 788 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1156 175 429 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 26615 1069 2503 52 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 1549 545 28 RAYA-AS, EG 24863 1503 389 20 LINKdotNET-AS, EG 36992 1369 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1195 76 64 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 530 56 54 WANANCHI-, KE 36914 468 82 3 KENET-AS, KE 24757 435 73 5 EthioNet-AS, ET 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 12419 3319 489 UNINET, MX 9808 9870 8743 63 CHINAMOBILE-CN China Mobile Communicati 16509 9827 11362 3476 AMAZON-02, US 12479 7718 1709 144 UNI2-AS, ES 7545 5665 777 679 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4603 305 604 CABLEONE, US 18403 4586 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3881 1330 20 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 9870 9807 CHINAMOBILE-CN China Mobile Communications Grou 12479 7718 7574 UNI2-AS, ES 16509 9827 6351 AMAZON-02, US 7545 5665 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4586 4563 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4603 3999 CABLEONE, US 7552 3881 3861 VIETEL-AS-AP Viettel Group, VN 20940 3851 3725 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /9:14 /10:36 /11:95 /12:298 /13:578 /14:1195 /15:2062 /16:13222 /17:8130 /18:13560 /19:24483 /20:42946 /21:50881 /22:110358 /23:98486 /24:572641 /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 6829 7718 UNI2-AS, ES 8151 6439 12419 UNINET, MX 11492 3516 4603 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3406 3608 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2598 3498 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2138 3525 Telmex Colombia S.A., CO 8551 2113 2637 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2297 2:1504 3:325 4:6 5:4518 6:163 7:6 8:1506 9:1 11:172 12:1461 13:366 14:2357 15:318 16:209 17:367 18:765 20:361 21:4 22:188 23:6647 24:2708 25:2 27:2593 29:19 31:2692 32:45 34:62 35:128 36:2297 37:4465 38:7294 39:891 40:126 41:4090 42:2191 43:2345 44:315 45:16990 46:4414 47:305 49:1891 50:1922 51:573 52:1584 54:311 55:1000 56:5 57:167 58:2018 59:1186 60:1031 61:2618 62:2683 63:1891 64:5529 65:2354 66:4677 67:2999 68:1319 69:4116 70:1188 71:576 72:2886 74:2592 75:1551 76:606 77:2433 78:1850 79:2495 80:2184 81:1966 82:1561 83:1315 84:1638 85:3124 86:843 87:1965 88:1236 89:4068 90:616 91:8098 92:2209 93:2667 94:3622 95:4137 96:1293 97:315 98:1045 99:743 100:78 101:1171 102:3132 103:32491 104:4827 105:654 106:940 107:2759 108:1104 109:4087 110:2143 111:3245 112:2060 113:1808 114:1775 115:2039 116:1863 117:2626 118:2840 119:1972 120:1780 121:1263 122:2649 123:2206 124:1607 125:2850 126:32 128:1429 129:926 130:1121 131:1843 132:797 133:410 134:1694 135:319 136:938 137:1035 138:2822 139:1534 140:1385 141:1364 142:1585 143:1483 144:1003 145:344 146:2058 147:1857 148:2496 149:2553 150:1036 151:1344 152:2030 153:524 154:6466 155:1455 156:2476 157:1708 158:1149 159:2320 160:2647 161:1632 162:3570 163:1690 164:1638 165:2123 166:1169 167:1784 168:3880 169:794 170:4643 171:997 172:3802 173:3033 174:897 175:1200 176:3636 177:4598 178:3564 179:2215 180:2359 181:3691 182:3387 183:2025 184:2272 185:20681 186:4949 187:4441 188:4058 189:4132 190:9326 191:1459 192:10934 193:9059 194:7454 195:5252 196:3147 197:2459 198:5892 199:7653 200:7975 201:6331 202:10187 203:10133 204:4558 205:3727 206:4444 207:3418 208:4129 209:5020 210:4397 211:2487 212:4271 213:3420 214:1062 215:49 216:6770 217:2925 218:1312 219:405 220:1822 221:1033 222:700 223:2210 End of report