IPv4 R&E Routing Table Report 23:05 GMT Fri 23 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: 901478 Prefixes after maximum aggregation (per Origin AS): 343583 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444164 Number of IPv4 prefixes with a valid ROA: 365734 Number of IPv4 prefixes with an invalid ROA: 1564 Number of IPv4 prefixes with no ROA: 534180 Total ASes present in the Internet Routing Table: 73795 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63384 Origin ASes announcing only one prefix: 26119 Transit ASes present in the Internet Routing Table: 10411 Transit-only ASes present in the Internet Routing Table: 422 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1004 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 40962 Number of 32-bit ASNs visible in the Routing Table: 33862 Prefixes from 32-bit ASNs in the Routing Table: 164885 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 514 Number of addresses announced to Internet: 3064873216 Equivalent to 182 /8s, 174 /16s and 65 /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: 303365 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233245 Total APNIC prefixes after maximum aggregation: 67775 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228150 Unique aggregates announced from the APNIC address blocks: 97358 APNIC Region origin ASes present in the Internet Routing Table: 13096 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 3825 APNIC Region transit ASes present in the Internet Routing Table: 1759 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: 8418 Number of APNIC addresses announced to Internet: 773238016 Equivalent to 46 /8s, 22 /16s and 173 /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: 266331 Total ARIN prefixes after maximum aggregation: 121285 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267806 Unique aggregates announced from the ARIN address blocks: 129453 ARIN Region origin ASes present in the Internet Routing Table: 18995 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1883 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4690 Number of ARIN addresses announced to Internet: 1287822848 Equivalent to 76 /8s, 194 /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: 254966 Total RIPE prefixes after maximum aggregation: 119896 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251776 Unique aggregates announced from the RIPE address blocks: 155980 RIPE Region origin ASes present in the Internet Routing Table: 28174 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3981 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10929 Number of RIPE addresses announced to Internet: 719447808 Equivalent to 42 /8s, 225 /16s and 231 /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: 117353 Total LACNIC prefixes after maximum aggregation: 28183 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116634 Unique aggregates announced from the LACNIC address blocks: 48933 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2269 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: 8773 Number of LACNIC addresses announced to Internet: 175973888 Equivalent to 10 /8s, 125 /16s and 38 /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: 28579 Total AfriNIC prefixes after maximum aggregation: 5690 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 36598 Unique aggregates announced from the AfriNIC address blocks: 12025 AfriNIC Region origin ASes present in the Internet Routing Table: 1713 AfriNIC Prefixes per ASN: 21.36 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1052 Number of AfriNIC addresses announced to Internet: 108095744 Equivalent to 6 /8s, 113 /16s and 105 /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 9159 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5947 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3367 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2680 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 589 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 7753 10637 2927 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3695 3049 324 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3458 1793 2511 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2613 24131 1585 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 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 6960 1706 146 UNI2-AS, ES 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4036 3399 175 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 907 ROSTELECOM-AS, RU 9009 2647 252 1357 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2195 339 20 UKRTELNET, UA 58224 1773 928 538 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 10925 3340 593 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2191 358 585 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1138 186 467 Techtel LMDS Comunicaciones Interactiva 26615 991 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 1517 393 21 LINKdotNET-AS, EG 24835 1509 511 29 RAYA-AS, EG 36992 1321 1518 274 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 43 ORANGE-COTE-IVOIRE, CI 36935 705 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 366 319 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 10925 3340 593 Uninet S.A. de C.V., MX 9808 9159 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7753 10637 2927 AMAZON-02, US 12479 6960 1706 146 UNI2-AS, ES 7545 5947 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4036 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 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 9159 9112 CHINAMOBILE-CN China Mobile Communications Grou 12479 6960 6814 UNI2-AS, ES 7545 5947 5244 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7753 4826 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4036 3861 AKAMAI-ASN1, NL 7155 3894 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 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, US 23.131.191.0/24 Origin: 212238 CDNEXT, GB 23.131.191.0/24 Transit: 60068 CDN77 \^_^, GB 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 /11:101 /12:296 /13:585 /14:1198 /15:2078 /16:13484 /17:8232 /18:13778 /19:24807 /20:42842 /21:50787 /22:108592 /23:96445 /24:538178 /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 6006 6960 UNI2-AS, ES 8151 4911 10925 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3695 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2195 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1620 2:1218 3:168 4:5 5:4105 6:110 7:5 8:1533 9:1 11:172 12:1609 13:370 14:2360 15:285 16:76 17:370 18:408 20:243 21:4 22:188 23:5996 24:2446 25:4 27:2708 29:19 31:2497 32:103 34:8 35:79 36:1841 37:4621 38:3972 39:821 40:144 41:3912 42:1042 43:2292 44:305 45:16402 46:4215 47:374 49:1708 50:1933 51:374 52:1543 54:396 55:773 56:8 57:81 58:1679 59:1105 60:1006 61:2428 62:2596 63:1938 64:5636 65:2326 66:4902 67:3031 68:1362 69:4127 70:1254 71:656 72:2990 74:2590 75:1464 76:593 77:2338 78:1819 79:2940 80:2069 81:1675 82:1488 83:1232 84:1493 85:2971 86:740 87:1926 88:1192 89:3514 90:591 91:7613 92:1978 93:2561 94:3494 95:3902 96:1316 97:344 98:1173 99:740 100:75 101:1292 102:2535 103:30616 104:4602 105:482 106:848 107:2545 108:911 109:4379 110:2041 111:3267 112:2030 113:1492 114:1600 115:2010 116:1870 117:2473 118:2281 119:1882 120:1696 121:1037 122:2573 123:2138 124:1535 125:2253 128:1230 129:1047 130:962 131:2002 132:828 133:403 134:1892 135:292 136:886 137:916 138:2588 139:1497 140:1022 141:1490 142:1411 143:1441 144:1187 145:352 146:1877 147:1513 148:2268 149:1848 150:863 151:1146 152:1962 153:476 154:3812 155:1410 156:1628 157:1291 158:1043 159:2232 160:2574 161:1429 162:3534 163:1465 164:1675 165:1650 166:815 167:1747 168:3832 169:921 170:4561 171:887 172:3511 173:3053 174:1024 175:1157 176:3620 177:4800 178:3531 179:2156 180:2408 181:3346 182:3231 183:1935 184:2364 185:19972 186:4642 187:3927 188:4085 189:3442 190:9020 191:1470 192:10961 193:8811 194:7173 195:5080 196:3054 197:2410 198:5932 199:6069 200:7653 201:5876 202:10216 203:9995 204:4598 205:3508 206:3761 207:3344 208:4097 209:4794 210:4150 211:2382 212:4058 213:3528 214:1106 215:55 216:6579 217:2639 218:1249 219:409 220:1778 221:953 222:663 223:1976 End of report