IPv4 R&E Routing Table Report 23:05 GMT Sun 12 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: 907199 Prefixes after maximum aggregation (per Origin AS): 345503 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 446027 Number of IPv4 prefixes with a valid ROA: 377737 Number of IPv4 prefixes with an invalid ROA: 1665 Number of IPv4 prefixes with no ROA: 527797 Total ASes present in the Internet Routing Table: 74021 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63564 Origin ASes announcing only one prefix: 26090 Transit ASes present in the Internet Routing Table: 10457 Transit-only ASes present in the Internet Routing Table: 446 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: 1108 Number of instances of unregistered ASNs: 1124 Number of 32-bit ASNs allocated by the RIRs: 41428 Number of 32-bit ASNs visible in the Routing Table: 34239 Prefixes from 32-bit ASNs in the Routing Table: 167623 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: 524 Number of addresses announced to Internet: 3062338304 Equivalent to 182 /8s, 135 /16s and 147 /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: 305262 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234981 Total APNIC prefixes after maximum aggregation: 68177 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 229655 Unique aggregates announced from the APNIC address blocks: 97662 APNIC Region origin ASes present in the Internet Routing Table: 13239 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 3851 APNIC Region transit ASes present in the Internet Routing Table: 1782 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8586 Number of APNIC addresses announced to Internet: 773068544 Equivalent to 46 /8s, 20 /16s and 23 /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: 266710 Total ARIN prefixes after maximum aggregation: 121245 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268809 Unique aggregates announced from the ARIN address blocks: 130265 ARIN Region origin ASes present in the Internet Routing Table: 19011 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: 4741 Number of ARIN addresses announced to Internet: 1286067456 Equivalent to 76 /8s, 167 /16s and 213 /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: 257388 Total RIPE prefixes after maximum aggregation: 121337 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253766 Unique aggregates announced from the RIPE address blocks: 156741 RIPE Region origin ASes present in the Internet Routing Table: 28244 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12013 RIPE Region transit ASes present in the Internet Routing Table: 3978 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11071 Number of RIPE addresses announced to Internet: 718244864 Equivalent to 42 /8s, 207 /16s and 140 /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: 117425 Total LACNIC prefixes after maximum aggregation: 28174 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116822 Unique aggregates announced from the LACNIC address blocks: 48865 LACNIC Region origin ASes present in the Internet Routing Table: 10970 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2277 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: 8774 Number of LACNIC addresses announced to Internet: 176446208 Equivalent to 10 /8s, 132 /16s and 91 /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: 29587 Total AfriNIC prefixes after maximum aggregation: 5780 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 37623 Unique aggregates announced from the AfriNIC address blocks: 12076 AfriNIC Region origin ASes present in the Internet Routing Table: 1719 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1067 Number of AfriNIC addresses announced to Internet: 108116992 Equivalent to 6 /8s, 113 /16s and 188 /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 786 691 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 2821 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 2174 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 8076 10759 2880 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 2520 362 448 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 4029 3399 163 AKAMAI-ASN1, NL 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2292 911 ROSTELECOM-AS, RU 9009 2639 251 1382 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1845 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 11146 3330 598 Uninet S.A. de C.V., MX 10620 3467 504 877 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 1365 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 1096 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 11146 3330 598 Uninet S.A. de C.V., MX 9808 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8076 10759 2880 AMAZON-02, US 12479 7066 1705 149 UNI2-AS, ES 7545 5765 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4528 300 621 CABLEONE, US 20940 4029 3399 163 AKAMAI-ASN1, NL 7155 3959 270 44 VIASAT-SP-BACKBONE, US 8551 3892 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 8076 5196 AMAZON-02, US 7545 5765 5074 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 4029 3866 AKAMAI-ASN1, NL 8551 3892 3855 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 /16:13434 /17:8186 /18:13688 /19:24811 /20:42920 /21:50994 /22:108826 /23:96926 /24:543088 /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 5126 11146 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3436 4528 CABLEONE, US 8551 3364 3892 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 2177 2520 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2021 3467 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) ---------------------------------------------- 1:1670 2:1226 3:168 4:5 5:4347 6:117 7:6 8:1514 9:1 11:172 12:1578 13:392 14:2312 15:293 16:109 17:367 18:400 20:249 21:4 22:188 23:6117 24:2488 25:4 27:2502 29:19 31:2506 32:107 34:8 35:104 36:1925 37:4621 38:4324 39:806 40:151 41:4038 42:936 43:2301 44:311 45:16411 46:4200 47:374 49:1735 50:1819 51:378 52:1588 54:389 55:869 56:8 57:89 58:1671 59:1072 60:973 61:2458 62:2634 63:1935 64:5648 65:2317 66:4908 67:2999 68:1354 69:4123 70:1265 71:665 72:2974 74:2588 75:1459 76:603 77:2412 78:1839 79:3168 80:2068 81:1744 82:1509 83:1231 84:1511 85:2993 86:756 87:1955 88:1234 89:3593 90:611 91:7650 92:2017 93:2567 94:3536 95:3944 96:1325 97:331 98:1161 99:747 100:77 101:1296 102:2669 103:30987 104:4590 105:483 106:900 107:2554 108:934 109:4387 110:2063 111:3230 112:2043 113:1491 114:1621 115:2015 116:1897 117:2566 118:2277 119:1964 120:1741 121:1048 122:2584 123:2135 124:1575 125:2385 128:1260 129:1059 130:994 131:2001 132:825 133:421 134:1901 135:299 136:867 137:936 138:2553 139:1522 140:1193 141:1463 142:1422 143:1481 144:1203 145:356 146:1894 147:1558 148:2291 149:1930 150:875 151:1142 152:1959 153:488 154:4216 155:1418 156:1672 157:1284 158:1044 159:2267 160:2549 161:1443 162:3539 163:1494 164:1574 165:1698 166:852 167:1736 168:3809 169:930 170:4609 171:885 172:3507 173:2934 174:1011 175:1155 176:3663 177:4643 178:3628 179:2175 180:2402 181:3413 182:3312 183:1933 184:2351 185:20141 186:4708 187:3971 188:4100 189:3587 190:9105 191:1481 192:10946 193:8812 194:7238 195:5119 196:3156 197:2387 198:5900 199:6078 200:7679 201:5863 202:10313 203:10161 204:4596 205:3527 206:3769 207:3398 208:4069 209:4844 210:4177 211:2385 212:4106 213:3542 214:1093 215:58 216:6577 217:2663 218:1266 219:407 220:1758 221:971 222:673 223:2119 End of report