IPv4 R&E Routing Table Report 23:05 GMT Sat 10 Dec, 2022 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: 900495 Prefixes after maximum aggregation (per Origin AS): 343092 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 443191 Number of IPv4 prefixes with a valid ROA: 364813 Number of IPv4 prefixes with an invalid ROA: 1519 Number of IPv4 prefixes with no ROA: 534163 Total ASes present in the Internet Routing Table: 73699 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63311 Origin ASes announcing only one prefix: 26025 Transit ASes present in the Internet Routing Table: 10388 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1046 Number of instances of unregistered ASNs: 1046 Number of 32-bit ASNs allocated by the RIRs: 40855 Number of 32-bit ASNs visible in the Routing Table: 33756 Prefixes from 32-bit ASNs in the Routing Table: 164470 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3059306752 Equivalent to 182 /8s, 89 /16s and 81 /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: 302570 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233316 Total APNIC prefixes after maximum aggregation: 67700 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228172 Unique aggregates announced from the APNIC address blocks: 97238 APNIC Region origin ASes present in the Internet Routing Table: 13059 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3807 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8378 Number of APNIC addresses announced to Internet: 773159680 Equivalent to 46 /8s, 21 /16s and 123 /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: 266208 Total ARIN prefixes after maximum aggregation: 121047 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267869 Unique aggregates announced from the ARIN address blocks: 129478 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 4685 Number of ARIN addresses announced to Internet: 1285688832 Equivalent to 76 /8s, 162 /16s and 14 /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: 254227 Total RIPE prefixes after maximum aggregation: 119725 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 250937 Unique aggregates announced from the RIPE address blocks: 155353 RIPE Region origin ASes present in the Internet Routing Table: 28124 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11976 RIPE Region transit ASes present in the Internet Routing Table: 3980 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10889 Number of RIPE addresses announced to Internet: 716114176 Equivalent to 42 /8s, 175 /16s and 9 /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: 117048 Total LACNIC prefixes after maximum aggregation: 28172 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116354 Unique aggregates announced from the LACNIC address blocks: 48722 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2267 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8763 Number of LACNIC addresses announced to Internet: 175955712 Equivalent to 10 /8s, 124 /16s and 223 /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: 28650 Total AfriNIC prefixes after maximum aggregation: 5663 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36644 Unique aggregates announced from the AfriNIC address blocks: 11972 AfriNIC Region origin ASes present in the Internet Routing Table: 1704 AfriNIC Prefixes per ASN: 21.50 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1041 Number of AfriNIC addresses announced to Internet: 108091648 Equivalent to 6 /8s, 113 /16s and 89 /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 9135 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2586 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2313 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2161 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 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 7731 10634 2878 AMAZON-02, US 11492 4548 301 567 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3685 3058 309 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3528 1320 63 SHAW, CA 16625 3488 1819 2525 AKAMAI-AS, US 749 3031 50578 2298 DNIC-AS-00749, US 7018 2586 24125 1555 ATT-INTERNET4, US 30036 2580 369 330 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2567 3482 362 GOOGLE-CLOUD-PLATFORM, 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 6964 1730 151 UNI2-AS, ES 20940 4070 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 906 ROSTELECOM-AS, RU 9009 2647 252 1360 M247, RO 34984 2251 357 608 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1799 938 528 TCI, IR 13188 1571 98 103 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 10864 3338 595 Uninet S.A. de C.V., MX 10620 3463 507 853 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2163 353 570 Mega Cable, S.A. de C.V., MX 28573 1333 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 370 22 Telefonica del Peru S.A.A., PE 11664 1135 184 472 Techtel LMDS Comunicaciones Interactiva 26615 989 2466 43 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 1548 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 40 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 528 53 45 WANANCHI-, KE 37342 442 32 1 MOVITEL, MZ 2018 368 319 71 TENET-1, ZA 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 10864 3338 595 Uninet S.A. de C.V., MX 9808 9135 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7731 10634 2878 AMAZON-02, US 12479 6964 1730 151 UNI2-AS, ES 7545 5945 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 567 CABLEONE, US 20940 4070 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 7155 3893 265 32 VIASAT-SP-BACKBONE, US 8551 3699 374 38 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 9135 9088 CHINAMOBILE-CN China Mobile Communications Grou 12479 6964 6813 UNI2-AS, ES 7545 5945 5252 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7731 4853 AMAZON-02, US 11492 4548 3981 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4070 3895 AKAMAI-ASN1, NL 7155 3893 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 3604 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.131.189.0/24 Origin: 150303 SOLORDP-AS-AP SoloRDP, IN 23.131.189.0/24 Transit: 140947 SNTHOSTINGS-AS-AP SnTHostings, IN 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 /11:100 /12:294 /13:581 /14:1196 /15:2081 /16:13464 /17:8253 /18:13773 /19:24839 /20:42952 /21:50891 /22:108686 /23:96390 /24:536920 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5999 6964 UNI2-AS, ES 8151 4850 10864 Uninet S.A. de C.V., MX 11492 3455 4548 CABLEONE, US 6327 3336 3528 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 8551 3165 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2722 3685 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2238 2580 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1717 2:1019 3:168 4:5 5:4069 6:110 7:5 8:1542 9:1 11:172 12:1614 13:370 14:2366 15:287 16:75 17:370 18:395 20:242 21:4 22:188 23:6003 24:2444 25:4 27:2701 29:19 31:2487 32:103 34:8 35:95 36:1837 37:4597 38:3897 39:817 40:144 41:3933 42:1122 43:2289 44:305 45:16345 46:4151 47:370 49:1701 50:1934 51:246 52:1527 54:395 55:839 56:8 57:79 58:1718 59:1090 60:1006 61:2422 62:2597 63:1955 64:5625 65:2324 66:4834 67:3027 68:1371 69:4123 70:1279 71:654 72:2987 74:2605 75:1466 76:596 77:2241 78:1818 79:2939 80:2053 81:1675 82:1489 83:1223 84:1480 85:2963 86:747 87:1927 88:1167 89:3507 90:581 91:7599 92:1986 93:2566 94:3529 95:3883 96:1317 97:344 98:1173 99:740 100:69 101:1290 102:2491 103:30497 104:4566 105:484 106:824 107:2547 108:910 109:4288 110:2034 111:3260 112:2028 113:1509 114:1592 115:2003 116:1872 117:2464 118:2319 119:1885 120:1694 121:1038 122:2572 123:2127 124:1535 125:2158 128:1212 129:965 130:968 131:1998 132:822 133:400 134:1899 135:293 136:881 137:922 138:2572 139:1498 140:1027 141:1478 142:1400 143:1449 144:1195 145:351 146:1878 147:1506 148:2250 149:1873 150:862 151:1147 152:1964 153:458 154:3807 155:1376 156:1632 157:1284 158:1038 159:2233 160:2573 161:1429 162:3530 163:1459 164:1667 165:1633 166:836 167:1744 168:3818 169:916 170:4563 171:872 172:3526 173:3074 174:1035 175:1156 176:3619 177:4776 178:3512 179:2132 180:2392 181:3353 182:3228 183:1936 184:2366 185:19983 186:4642 187:3918 188:4059 189:3436 190:9012 191:1481 192:10974 193:8785 194:7201 195:5075 196:3046 197:2349 198:5937 199:6085 200:7634 201:5841 202:10223 203:10030 204:4583 205:3505 206:3744 207:3356 208:4107 209:4784 210:4162 211:2392 212:4023 213:3533 214:1103 215:55 216:6599 217:2636 218:1250 219:410 220:1783 221:952 222:665 223:1983 End of report