IPv4 R&E Routing Table Report 23:05 GMT Thu 27 Apr, 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: 913037 Prefixes after maximum aggregation (per Origin AS): 346821 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448818 Number of IPv4 prefixes with a valid ROA: 394671 Number of IPv4 prefixes with an invalid ROA: 1883 Number of IPv4 prefixes with no ROA: 516483 Total ASes present in the Internet Routing Table: 74166 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63678 Origin ASes announcing only one prefix: 26184 Transit ASes present in the Internet Routing Table: 10488 Transit-only ASes present in the Internet Routing Table: 432 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1084 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 41745 Number of 32-bit ASNs visible in the Routing Table: 34425 Prefixes from 32-bit ASNs in the Routing Table: 169870 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 630 Number of addresses announced to Internet: 3058781184 Equivalent to 182 /8s, 81 /16s and 76 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306184 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237731 Total APNIC prefixes after maximum aggregation: 68416 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 232085 Unique aggregates announced from the APNIC address blocks: 97738 APNIC Region origin ASes present in the Internet Routing Table: 13285 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3896 APNIC Region transit ASes present in the Internet Routing Table: 1777 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8655 Number of APNIC addresses announced to Internet: 772792064 Equivalent to 46 /8s, 15 /16s and 223 /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: 268009 Total ARIN prefixes after maximum aggregation: 121493 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270637 Unique aggregates announced from the ARIN address blocks: 130955 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1905 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4769 Number of ARIN addresses announced to Internet: 1283218944 Equivalent to 76 /8s, 124 /16s and 94 /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: 259219 Total RIPE prefixes after maximum aggregation: 122083 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255147 Unique aggregates announced from the RIPE address blocks: 158038 RIPE Region origin ASes present in the Internet Routing Table: 28310 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11146 Number of RIPE addresses announced to Internet: 717923072 Equivalent to 42 /8s, 202 /16s and 163 /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: 117681 Total LACNIC prefixes after maximum aggregation: 28226 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116942 Unique aggregates announced from the LACNIC address blocks: 49324 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2295 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: 8772 Number of LACNIC addresses announced to Internet: 176675072 Equivalent to 10 /8s, 135 /16s and 217 /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: 29313 Total AfriNIC prefixes after maximum aggregation: 5819 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37596 Unique aggregates announced from the AfriNIC address blocks: 12243 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.69 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1083 Number of AfriNIC addresses announced to Internet: 107756032 Equivalent to 6 /8s, 108 /16s and 58 /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 9460 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5729 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3560 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2941 489 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2386 837 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2175 442 196 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 8268 10778 2919 AMAZON-02, US 11492 4545 301 593 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3583 3058 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 64 SHAW, CA 16625 3163 1576 2355 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2633 3590 364 GOOGLE-CLOUD-PLATFORM, US 7018 2518 24151 1577 ATT-INTERNET4, US 30036 2501 361 458 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 7266 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4083 3399 163 AKAMAI-ASN1, NL 8551 3889 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 909 ROSTELECOM-AS, RU 9009 2670 250 1396 M247, RO 34984 2276 359 613 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1852 950 544 TCI, IR 13188 1607 100 18 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 11262 3347 593 Uninet S.A. de C.V., MX 10620 3504 507 855 Telmex Colombia S.A., CO 13999 2335 358 617 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 443 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1584 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 489 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 11262 3347 593 Uninet S.A. de C.V., MX 9808 9460 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8268 10778 2919 AMAZON-02, US 12479 7266 1706 140 UNI2-AS, ES 7545 5729 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4545 301 593 CABLEONE, US 20940 4083 3399 163 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 281 51 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 9460 9423 CHINAMOBILE-CN China Mobile Communications Grou 12479 7266 7126 UNI2-AS, ES 16509 8268 5349 AMAZON-02, US 7545 5729 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 11492 4545 3952 CABLEONE, US 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4083 3920 AKAMAI-ASN1, NL 8551 3889 3852 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /10:38 /11:103 /12:298 /13:575 /14:1193 /15:2079 /16:13412 /17:8136 /18:14132 /19:24856 /20:43130 /21:50876 /22:108887 /23:97182 /24:548101 /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 6326 7266 UNI2-AS, ES 8151 5197 11262 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4545 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3523 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2651 3583 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2058 3504 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) ---------------------------------------------- 1:1783 2:1288 3:175 4:5 5:4507 6:128 7:6 8:1511 9:1 11:172 12:1533 13:389 14:2334 15:299 16:182 17:367 18:418 20:256 21:4 22:188 23:6236 24:2581 25:6 27:2491 29:19 31:2502 32:78 34:12 35:106 36:1946 37:4646 38:4449 39:820 40:151 41:3937 42:1195 43:2324 44:308 45:16481 46:4254 47:357 49:1733 50:1824 51:573 52:1595 54:390 55:838 56:8 57:113 58:1706 59:1099 60:990 61:2474 62:2653 63:1923 64:5679 65:2327 66:4974 67:2998 68:1366 69:4145 70:1230 71:672 72:2979 74:2601 75:1446 76:610 77:2435 78:1799 79:3169 80:2110 81:1754 82:1486 83:1273 84:1513 85:2982 86:761 87:2003 88:1155 89:3653 90:613 91:7726 92:2066 93:2624 94:3596 95:3995 96:1324 97:337 98:1152 99:746 100:73 101:1304 102:2667 103:31203 104:4606 105:488 106:934 107:2523 108:1026 109:4413 110:2084 111:3088 112:2029 113:1572 114:1639 115:2006 116:1902 117:2561 118:2366 119:2007 120:1763 121:1044 122:2576 123:2166 124:1572 125:2459 128:1319 129:1050 130:1011 131:1984 132:844 133:422 134:1898 135:304 136:879 137:945 138:2561 139:1554 140:1241 141:1466 142:1432 143:1491 144:1159 145:347 146:1928 147:1572 148:2316 149:2188 150:837 151:1157 152:1926 153:490 154:4412 155:1440 156:1774 157:1308 158:1059 159:2302 160:2541 161:1520 162:3509 163:1511 164:1606 165:1727 166:1025 167:1742 168:3846 169:934 170:4582 171:881 172:3542 173:2925 174:1071 175:1170 176:3683 177:4580 178:3581 179:2149 180:2604 181:3424 182:3339 183:1968 184:2365 185:20172 186:4780 187:3958 188:4083 189:3551 190:9143 191:1440 192:10918 193:8863 194:7314 195:5132 196:3139 197:2356 198:5867 199:6087 200:7932 201:5877 202:10329 203:10210 204:4578 205:3624 206:4278 207:3389 208:4055 209:4832 210:4172 211:2406 212:4125 213:3571 214:1087 215:59 216:6632 217:2683 218:1273 219:406 220:1768 221:970 222:717 223:2150 End of report