IPv4 R&E Routing Table Report 23:05 GMT Wed 09 Nov, 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: 898885 Prefixes after maximum aggregation (per Origin AS): 342272 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441716 Number of IPv4 prefixes with a valid ROA: 360345 Number of IPv4 prefixes with an invalid ROA: 1675 Number of IPv4 prefixes with no ROA: 536865 Total ASes present in the Internet Routing Table: 73652 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63327 Origin ASes announcing only one prefix: 26034 Transit ASes present in the Internet Routing Table: 10325 Transit-only ASes present in the Internet Routing Table: 407 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: 1026 Number of instances of unregistered ASNs: 1029 Number of 32-bit ASNs allocated by the RIRs: 40573 Number of 32-bit ASNs visible in the Routing Table: 33614 Prefixes from 32-bit ASNs in the Routing Table: 162523 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 521 Number of addresses announced to Internet: 3063968000 Equivalent to 182 /8s, 160 /16s and 113 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 302376 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232484 Total APNIC prefixes after maximum aggregation: 67456 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227426 Unique aggregates announced from the APNIC address blocks: 96889 APNIC Region origin ASes present in the Internet Routing Table: 12999 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3742 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 8302 Number of APNIC addresses announced to Internet: 773289984 Equivalent to 46 /8s, 23 /16s and 120 /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: 265687 Total ARIN prefixes after maximum aggregation: 121160 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267078 Unique aggregates announced from the ARIN address blocks: 128870 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 14.05 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4662 Number of ARIN addresses announced to Internet: 1289918464 Equivalent to 76 /8s, 226 /16s and 152 /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: 253974 Total RIPE prefixes after maximum aggregation: 119321 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250795 Unique aggregates announced from the RIPE address blocks: 154914 RIPE Region origin ASes present in the Internet Routing Table: 28151 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 12007 RIPE Region transit ASes present in the Internet Routing Table: 3971 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10861 Number of RIPE addresses announced to Internet: 716525312 Equivalent to 42 /8s, 181 /16s and 79 /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: 116838 Total LACNIC prefixes after maximum aggregation: 27933 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116217 Unique aggregates announced from the LACNIC address blocks: 48614 LACNIC Region origin ASes present in the Internet Routing Table: 10987 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2234 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: 8756 Number of LACNIC addresses announced to Internet: 175913728 Equivalent to 10 /8s, 124 /16s and 59 /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: 28876 Total AfriNIC prefixes after maximum aggregation: 5622 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36848 Unique aggregates announced from the AfriNIC address blocks: 12001 AfriNIC Region origin ASes present in the Internet Routing Table: 1705 AfriNIC Prefixes per ASN: 21.61 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1033 Number of AfriNIC addresses announced to Internet: 108032256 Equivalent to 6 /8s, 112 /16s and 113 /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 9125 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5949 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3608 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3393 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2527 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2291 11250 595 KIXS-AS-KR Korea Telecom, KR 24560 2272 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2158 440 214 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 7534 10605 2923 AMAZON-02, US 11492 4591 304 548 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3756 3061 339 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3559 1859 2547 AKAMAI-AS, US 6327 3517 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 30036 2587 370 334 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2585 24058 1557 ATT-INTERNET4, US 396982 2560 3480 355 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 6950 1730 144 UNI2-AS, ES 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2290 912 ROSTELECOM-AS, RU 9009 2626 252 1351 M247, RO 6849 2388 339 20 UKRTELNET, UA 34984 2241 357 614 TELLCOM-AS, TR 58224 1801 937 540 TCI, IR 13188 1610 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 10813 3347 601 Uninet S.A. de C.V., MX 10620 3473 510 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2104 342 545 Mega Cable, S.A. de C.V., MX 28573 1333 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1111 182 473 Techtel LMDS Comunicaciones Interactiva 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 992 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 24863 1572 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 68 32 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 527 53 43 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10813 3347 601 Uninet S.A. de C.V., MX 9808 9125 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7534 10605 2923 AMAZON-02, US 12479 6950 1730 144 UNI2-AS, ES 7545 5949 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4591 304 548 CABLEONE, US 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 9125 9078 CHINAMOBILE-CN China Mobile Communications Grou 12479 6950 6806 UNI2-AS, ES 7545 5949 5252 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7534 4611 AMAZON-02, US 11492 4591 4043 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3930 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3608 3588 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /12:295 /13:584 /14:1195 /15:2079 /16:13497 /17:8274 /18:13858 /19:24808 /20:42973 /21:50773 /22:108623 /23:96304 /24:535448 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5958 6950 UNI2-AS, ES 8151 4764 10813 Uninet S.A. de C.V., MX 11492 3501 4591 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3325 3517 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2780 3756 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2245 2388 UKRTELNET, UA 30036 2243 2587 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1024 3:166 4:5 5:4023 6:117 7:5 8:1543 9:1 11:173 12:1619 13:346 14:2371 15:283 16:69 17:360 18:373 20:236 21:4 22:188 23:5997 24:2454 25:6 27:2705 29:19 31:2481 32:90 34:7 35:95 36:1816 37:4532 38:3723 39:774 40:144 41:3949 42:1171 43:2225 44:299 45:16284 46:4166 47:369 49:1701 50:1912 51:244 52:1496 54:398 55:839 56:8 57:79 58:1723 59:1109 60:1006 61:2412 62:2553 63:1958 64:5615 65:2325 66:4825 67:2997 68:1377 69:4141 70:1299 71:678 72:2996 74:2636 75:1472 76:597 77:2242 78:1827 79:3149 80:2056 81:1675 82:1479 83:1204 84:1437 85:2947 86:730 87:1920 88:1164 89:3447 90:551 91:7587 92:2034 93:2550 94:3544 95:3878 96:1346 97:344 98:1171 99:739 100:69 101:1300 102:2435 103:30314 104:4527 105:479 106:888 107:2534 108:904 109:4329 110:2013 111:3272 112:2047 113:1496 114:1570 115:2002 116:1872 117:2476 118:2324 119:1831 120:1679 121:1044 122:2571 123:2108 124:1512 125:2114 128:1204 129:967 130:965 131:2017 132:830 133:378 134:1914 135:291 136:885 137:909 138:2523 139:1516 140:1111 141:1475 142:1395 143:1408 144:1196 145:348 146:1866 147:1527 148:2224 149:1823 150:873 151:1139 152:1958 153:455 154:3801 155:1429 156:1616 157:1294 158:1035 159:2202 160:2590 161:1386 162:3495 163:1436 164:1667 165:1641 166:824 167:1714 168:3820 169:906 170:4559 171:849 172:3479 173:3097 174:1033 175:1163 176:3604 177:4784 178:3531 179:2126 180:2382 181:3340 182:3200 183:1921 184:2350 185:19906 186:4564 187:3959 188:4008 189:3435 190:9040 191:1425 192:10983 193:8746 194:7172 195:5080 196:3069 197:2480 198:5934 199:6048 200:7537 201:5825 202:10152 203:10039 204:4589 205:3461 206:3784 207:3336 208:4079 209:4776 210:4122 211:2330 212:4007 213:3506 214:1097 215:53 216:6542 217:2621 218:1266 219:406 220:1796 221:924 222:661 223:1988 End of report