IPv4 R&E Routing Table Report 23:05 GMT Tue 07 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: 907085 Prefixes after maximum aggregation (per Origin AS): 345570 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445905 Number of IPv4 prefixes with a valid ROA: 376897 Number of IPv4 prefixes with an invalid ROA: 1644 Number of IPv4 prefixes with no ROA: 528544 Total ASes present in the Internet Routing Table: 73970 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63519 Origin ASes announcing only one prefix: 26097 Transit ASes present in the Internet Routing Table: 10451 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1076 Number of instances of unregistered ASNs: 1092 Number of 32-bit ASNs allocated by the RIRs: 41376 Number of 32-bit ASNs visible in the Routing Table: 34192 Prefixes from 32-bit ASNs in the Routing Table: 167133 Number of bogon 32-bit ASNs visible in the Routing Table: 38 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 529 Number of addresses announced to Internet: 3060663808 Equivalent to 182 /8s, 110 /16s and 6 /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: 304996 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235289 Total APNIC prefixes after maximum aggregation: 68205 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230007 Unique aggregates announced from the APNIC address blocks: 97857 APNIC Region origin ASes present in the Internet Routing Table: 13236 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3848 APNIC Region transit ASes present in the Internet Routing Table: 1781 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: 8576 Number of APNIC addresses announced to Internet: 773169920 Equivalent to 46 /8s, 21 /16s and 163 /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: 266853 Total ARIN prefixes after maximum aggregation: 121207 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268985 Unique aggregates announced from the ARIN address blocks: 130218 ARIN Region origin ASes present in the Internet Routing Table: 19005 ARIN Prefixes per ASN: 14.15 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1897 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4733 Number of ARIN addresses announced to Internet: 1286053376 Equivalent to 76 /8s, 167 /16s and 158 /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: 257406 Total RIPE prefixes after maximum aggregation: 121229 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253717 Unique aggregates announced from the RIPE address blocks: 156559 RIPE Region origin ASes present in the Internet Routing Table: 28218 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12007 RIPE Region transit ASes present in the Internet Routing Table: 3967 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: 11047 Number of RIPE addresses announced to Internet: 718259456 Equivalent to 42 /8s, 207 /16s and 197 /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: 117006 Total LACNIC prefixes after maximum aggregation: 28296 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116371 Unique aggregates announced from the LACNIC address blocks: 48712 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2270 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: 8769 Number of LACNIC addresses announced to Internet: 176025856 Equivalent to 10 /8s, 125 /16s and 241 /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: 29455 Total AfriNIC prefixes after maximum aggregation: 5857 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37476 Unique aggregates announced from the AfriNIC address blocks: 12139 AfriNIC Region origin ASes present in the Internet Routing Table: 1719 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 589 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: 1067 Number of AfriNIC addresses announced to Internet: 106827520 Equivalent to 6 /8s, 94 /16s and 15 /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 9452 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5771 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3366 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2813 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 8067 10757 2873 AMAZON-02, US 11492 4527 300 617 CABLEONE, US 7155 3958 270 43 VIASAT-SP-BACKBONE, US 22773 3640 3064 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3258 1631 2405 AKAMAI-AS, US 749 3038 50552 2305 DNIC-AS-00749, US 396982 2621 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2569 24120 1575 ATT-INTERNET4, US 30036 2521 362 447 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 7062 1705 149 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4036 3399 163 AKAMAI-ASN1, NL 8551 3896 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2640 251 1380 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 11244 3349 586 Uninet S.A. de C.V., MX 10620 3372 489 1016 Telmex Colombia S.A., CO 13999 2272 370 605 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1340 2325 254 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 759 160 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1028 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 24835 1543 533 30 RAYA-AS, EG 24863 1537 393 19 LINKdotNET-AS, EG 36992 1352 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 53 ORANGE-COTE-IVOIRE, CI 36935 804 112 117 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 529 54 47 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 486 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 11244 3349 586 Uninet S.A. de C.V., MX 9808 9452 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8067 10757 2873 AMAZON-02, US 12479 7062 1705 149 UNI2-AS, ES 7545 5771 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4527 300 617 CABLEONE, US 20940 4036 3399 163 AKAMAI-ASN1, NL 7155 3958 270 43 VIASAT-SP-BACKBONE, US 8551 3896 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 9452 9404 CHINAMOBILE-CN China Mobile Communications Grou 12479 7062 6913 UNI2-AS, ES 16509 8067 5194 AMAZON-02, US 7545 5771 5082 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3958 3915 VIASAT-SP-BACKBONE, US 11492 4527 3910 CABLEONE, US 20940 4036 3873 AKAMAI-ASN1, NL 8551 3896 3859 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3681 3660 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, 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 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 /11:102 /12:299 /13:577 /14:1199 /15:2073 /16:13428 /17:8193 /18:13707 /19:24776 /20:42949 /21:50973 /22:108839 /23:96911 /24:542983 /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 6119 7062 UNI2-AS, ES 8151 5244 11244 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3437 4527 CABLEONE, US 8551 3368 3896 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3035 3958 VIASAT-SP-BACKBONE, US 22773 2694 3640 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2178 2521 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2008 2164 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1669 2:1223 3:168 4:5 5:4323 6:117 7:6 8:1515 9:1 11:172 12:1581 13:393 14:2324 15:293 16:111 17:366 18:399 20:249 21:4 22:188 23:6101 24:2480 25:4 27:2525 29:19 31:2510 32:107 34:8 35:104 36:1922 37:4621 38:4315 39:865 40:151 41:4011 42:1088 43:2311 44:309 45:16337 46:4155 47:374 49:1731 50:1818 51:386 52:1587 54:388 55:867 56:8 57:90 58:1672 59:1115 60:975 61:2459 62:2624 63:1933 64:5641 65:2316 66:4901 67:3031 68:1351 69:4126 70:1268 71:664 72:2976 74:2588 75:1457 76:601 77:2412 78:1837 79:3165 80:2072 81:1724 82:1501 83:1228 84:1510 85:3005 86:755 87:1949 88:1228 89:3588 90:610 91:7658 92:2014 93:2573 94:3504 95:3952 96:1329 97:330 98:1162 99:746 100:77 101:1292 102:2670 103:31030 104:4581 105:479 106:900 107:2556 108:931 109:4384 110:2089 111:3263 112:2040 113:1490 114:1619 115:2017 116:1902 117:2569 118:2278 119:1964 120:1741 121:1041 122:2584 123:2137 124:1544 125:2375 128:1273 129:1054 130:987 131:1988 132:823 133:421 134:1903 135:299 136:867 137:933 138:2548 139:1551 140:1195 141:1468 142:1427 143:1478 144:1207 145:354 146:1892 147:1561 148:2287 149:1917 150:921 151:1146 152:1959 153:485 154:4172 155:1430 156:1675 157:1299 158:1045 159:2267 160:2568 161:1443 162:3544 163:1484 164:1587 165:1694 166:844 167:1730 168:3804 169:925 170:4567 171:883 172:3514 173:2942 174:1013 175:1155 176:3725 177:4578 178:3624 179:2170 180:2422 181:3391 182:3313 183:1938 184:2350 185:20099 186:4679 187:3981 188:4110 189:3603 190:9077 191:1475 192:10933 193:8806 194:7231 195:5095 196:3144 197:2392 198:5895 199:6075 200:7682 201:5857 202:10286 203:10150 204:4592 205:3516 206:3779 207:3394 208:4068 209:4836 210:4180 211:2384 212:4102 213:3537 214:1098 215:55 216:6589 217:2646 218:1265 219:407 220:1760 221:971 222:674 223:2118 End of report