IPv4 R&E Routing Table Report 23:05 GMT Sat 11 Mar, 2023 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: 906862 Prefixes after maximum aggregation (per Origin AS): 345561 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 446157 Number of IPv4 prefixes with a valid ROA: 377416 Number of IPv4 prefixes with an invalid ROA: 1679 Number of IPv4 prefixes with no ROA: 527767 Total ASes present in the Internet Routing Table: 74036 Prefixes per ASN: 12.25 Origin-only ASes present in the Internet Routing Table: 63576 Origin ASes announcing only one prefix: 26119 Transit ASes present in the Internet Routing Table: 10460 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1096 Number of instances of unregistered ASNs: 1112 Number of 32-bit ASNs allocated by the RIRs: 41417 Number of 32-bit ASNs visible in the Routing Table: 34251 Prefixes from 32-bit ASNs in the Routing Table: 167500 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3062211328 Equivalent to 182 /8s, 133 /16s and 163 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 305217 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234937 Total APNIC prefixes after maximum aggregation: 68206 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 229613 Unique aggregates announced from the APNIC address blocks: 97690 APNIC Region origin ASes present in the Internet Routing Table: 13247 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 3851 APNIC Region transit ASes present in the Internet Routing Table: 1779 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8592 Number of APNIC addresses announced to Internet: 773081600 Equivalent to 46 /8s, 20 /16s and 74 /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, 131072-151865 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: 266601 Total ARIN prefixes after maximum aggregation: 121243 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268704 Unique aggregates announced from the ARIN address blocks: 130245 ARIN Region origin ASes present in the Internet Routing Table: 19006 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1885 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4737 Number of ARIN addresses announced to Internet: 1285959424 Equivalent to 76 /8s, 166 /16s and 47 /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, 393216-401308 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: 257405 Total RIPE prefixes after maximum aggregation: 121351 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253782 Unique aggregates announced from the RIPE address blocks: 156827 RIPE Region origin ASes present in the Internet Routing Table: 28245 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12018 RIPE Region transit ASes present in the Internet Routing Table: 3979 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11072 Number of RIPE addresses announced to Internet: 718210304 Equivalent to 42 /8s, 207 /16s and 5 /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 196608-213403 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: 117267 Total LACNIC prefixes after maximum aggregation: 28175 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116659 Unique aggregates announced from the LACNIC address blocks: 48875 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2279 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8782 Number of LACNIC addresses announced to Internet: 176449792 Equivalent to 10 /8s, 132 /16s and 105 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29556 Total AfriNIC prefixes after maximum aggregation: 5795 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37576 Unique aggregates announced from the AfriNIC address blocks: 12098 AfriNIC Region origin ASes present in the Internet Routing Table: 1721 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1068 Number of AfriNIC addresses announced to Internet: 108114944 Equivalent to 6 /8s, 113 /16s and 180 /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 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5765 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3676 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3546 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3366 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2817 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 834 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2173 440 217 TATACOMM-AS TATA Communications formerl 45090 2148 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 8079 10760 2874 AMAZON-02, US 11492 4528 300 621 CABLEONE, US 7155 3959 270 44 VIASAT-SP-BACKBONE, US 22773 3645 3064 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3139 1576 2328 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2622 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2565 24120 1571 ATT-INTERNET4, US 30036 2506 360 480 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 7066 1705 149 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4030 3399 163 AKAMAI-ASN1, NL 8551 3894 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2640 251 1381 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1846 949 546 TCI, IR 13188 1607 100 27 TRIOLAN, UA 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 11144 3330 598 Uninet S.A. de C.V., MX 10620 3465 504 878 Telmex Colombia S.A., CO 13999 2282 372 608 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1366 2325 254 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 763 161 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 460 Techtel LMDS Comunicaciones Interactiva 26615 1029 2498 45 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 24863 1551 393 19 LINKdotNET-AS, EG 24835 1542 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 53 ORANGE-COTE-IVOIRE, CI 36935 868 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 529 54 47 WANANCHI-, KE 24757 496 73 5 EthioNet-AS, ET 37342 493 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 11144 3330 598 Uninet S.A. de C.V., MX 9808 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8079 10760 2874 AMAZON-02, US 12479 7066 1705 149 UNI2-AS, ES 7545 5765 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4528 300 621 CABLEONE, US 20940 4030 3399 163 AKAMAI-ASN1, NL 7155 3959 270 44 VIASAT-SP-BACKBONE, US 8551 3894 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9453 9405 CHINAMOBILE-CN China Mobile Communications Grou 12479 7066 6917 UNI2-AS, ES 16509 8079 5205 AMAZON-02, US 7545 5765 5075 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3959 3915 VIASAT-SP-BACKBONE, US 11492 4528 3907 CABLEONE, US 20940 4030 3867 AKAMAI-ASN1, NL 8551 3894 3857 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3676 3655 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 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 LIGHTOWER, 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 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:38 /11:103 /12:299 /13:576 /14:1198 /15:2074 /16:13432 /17:8181 /18:13684 /19:24803 /20:42882 /21:50991 /22:108805 /23:96896 /24:542862 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6124 7066 UNI2-AS, ES 8151 5124 11144 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3436 4528 CABLEONE, US 8551 3366 3894 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3036 3959 VIASAT-SP-BACKBONE, US 22773 2697 3645 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2506 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2019 3465 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) ---------------------------------------------- 1:1668 2:1226 3:168 4:5 5:4348 6:117 7:6 8:1515 9:1 11:172 12:1578 13:392 14:2320 15:293 16:109 17:367 18:400 20:249 21:4 22:188 23:6115 24:2484 25:4 27:2502 29:19 31:2508 32:107 34:8 35:104 36:1926 37:4617 38:4325 39:806 40:151 41:4033 42:932 43:2306 44:310 45:16375 46:4201 47:374 49:1735 50:1817 51:378 52:1588 54:389 55:867 56:8 57:89 58:1669 59:1071 60:947 61:2456 62:2633 63:1935 64:5646 65:2317 66:4909 67:2999 68:1352 69:4122 70:1265 71:665 72:2967 74:2588 75:1459 76:602 77:2412 78:1839 79:3165 80:2068 81:1743 82:1509 83:1231 84:1508 85:2998 86:756 87:1955 88:1235 89:3599 90:611 91:7649 92:2007 93:2569 94:3539 95:3953 96:1325 97:331 98:1161 99:748 100:77 101:1296 102:2671 103:31020 104:4589 105:483 106:898 107:2554 108:934 109:4387 110:2063 111:3235 112:2043 113:1489 114:1617 115:2015 116:1903 117:2575 118:2250 119:1964 120:1741 121:1048 122:2585 123:2136 124:1575 125:2385 128:1261 129:1059 130:990 131:1987 132:827 133:420 134:1900 135:299 136:866 137:935 138:2531 139:1524 140:1193 141:1469 142:1422 143:1488 144:1203 145:356 146:1895 147:1561 148:2291 149:1923 150:875 151:1143 152:1959 153:488 154:4217 155:1418 156:1670 157:1284 158:1045 159:2261 160:2544 161:1443 162:3519 163:1493 164:1530 165:1700 166:852 167:1733 168:3799 169:930 170:4600 171:890 172:3506 173:2926 174:1014 175:1156 176:3725 177:4650 178:3628 179:2160 180:2404 181:3408 182:3312 183:1933 184:2350 185:20131 186:4689 187:3959 188:4098 189:3570 190:9106 191:1473 192:10941 193:8815 194:7240 195:5118 196:3155 197:2387 198:5898 199:6077 200:7690 201:5854 202:10300 203:10163 204:4592 205:3528 206:3769 207:3394 208:4070 209:4844 210:4174 211:2385 212:4091 213:3535 214:1093 215:58 216:6591 217:2665 218:1266 219:407 220:1758 221:971 222:673 223:2119 End of report