IPv4 R&E Routing Table Report 23:05 GMT Fri 10 Feb, 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: 904264 Prefixes after maximum aggregation (per Origin AS): 344815 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 446134 Number of IPv4 prefixes with a valid ROA: 372795 Number of IPv4 prefixes with an invalid ROA: 1505 Number of IPv4 prefixes with no ROA: 529964 Total ASes present in the Internet Routing Table: 73911 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63456 Origin ASes announcing only one prefix: 26087 Transit ASes present in the Internet Routing Table: 10455 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 105 Max AS path prepend of ASN (265035) 101 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1068 Number of 32-bit ASNs allocated by the RIRs: 41188 Number of 32-bit ASNs visible in the Routing Table: 34088 Prefixes from 32-bit ASNs in the Routing Table: 166350 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 564 Number of addresses announced to Internet: 3061345536 Equivalent to 182 /8s, 120 /16s and 109 /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: 304098 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234200 Total APNIC prefixes after maximum aggregation: 68209 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 229174 Unique aggregates announced from the APNIC address blocks: 97843 APNIC Region origin ASes present in the Internet Routing Table: 13192 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3809 APNIC Region transit ASes present in the Internet Routing Table: 1774 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8530 Number of APNIC addresses announced to Internet: 772999168 Equivalent to 46 /8s, 19 /16s and 8 /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: 266346 Total ARIN prefixes after maximum aggregation: 121060 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268366 Unique aggregates announced from the ARIN address blocks: 130284 ARIN Region origin ASes present in the Internet Routing Table: 19013 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4728 Number of ARIN addresses announced to Internet: 1285376256 Equivalent to 76 /8s, 157 /16s and 73 /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: 256501 Total RIPE prefixes after maximum aggregation: 120734 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252965 Unique aggregates announced from the RIPE address blocks: 156468 RIPE Region origin ASes present in the Internet Routing Table: 28184 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12014 RIPE Region transit ASes present in the Internet Routing Table: 3994 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: 10996 Number of RIPE addresses announced to Internet: 718369280 Equivalent to 42 /8s, 209 /16s and 114 /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: 116840 Total LACNIC prefixes after maximum aggregation: 28283 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 116058 Unique aggregates announced from the LACNIC address blocks: 49064 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2276 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8767 Number of LACNIC addresses announced to Internet: 176260608 Equivalent to 10 /8s, 129 /16s and 134 /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: 29319 Total AfriNIC prefixes after maximum aggregation: 5751 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37137 Unique aggregates announced from the AfriNIC address blocks: 12027 AfriNIC Region origin ASes present in the Internet Routing Table: 1720 AfriNIC Prefixes per ASN: 21.59 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1067 Number of AfriNIC addresses announced to Internet: 108001792 Equivalent to 6 /8s, 111 /16s and 250 /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 9443 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5850 786 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3638 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3530 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2753 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 842 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 212 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 7939 10732 2861 AMAZON-02, US 11492 4535 300 599 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3651 3064 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3324 1681 2428 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2601 3583 349 GOOGLE-CLOUD-PLATFORM, US 7018 2595 24127 1577 ATT-INTERNET4, US 30036 2555 366 377 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 6992 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4026 3399 167 AKAMAI-ASN1, NL 8551 3894 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 910 ROSTELECOM-AS, RU 9009 2701 257 1375 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2252 339 19 UKRTELNET, UA 58224 1844 948 544 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 10815 3346 590 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2247 375 606 Mega Cable, S.A. de C.V., MX 28573 1351 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 1540 533 30 RAYA-AS, EG 24863 1502 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 512 52 40 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 494 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 10815 3346 590 Uninet S.A. de C.V., MX 9808 9443 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7939 10732 2861 AMAZON-02, US 12479 6992 1706 146 UNI2-AS, ES 7545 5850 786 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4535 300 599 CABLEONE, US 20940 4026 3399 167 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3894 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 9443 9395 CHINAMOBILE-CN China Mobile Communications Grou 12479 6992 6846 UNI2-AS, ES 7545 5850 5148 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7939 5078 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4535 3936 CABLEONE, US 7155 3899 3866 VIASAT-SP-BACKBONE, US 20940 4026 3859 AKAMAI-ASN1, NL 8551 3894 3857 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3638 3617 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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: 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 /11:103 /12:299 /13:578 /14:1201 /15:2076 /16:13461 /17:8214 /18:13752 /19:24818 /20:42926 /21:50906 /22:108790 /23:96669 /24:540395 /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 6057 6992 UNI2-AS, ES 8151 4859 10815 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3450 4535 CABLEONE, US 8551 3366 3894 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2705 3651 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2212 2555 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2098 2252 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1626 2:1227 3:168 4:5 5:4320 6:113 7:5 8:1517 9:1 11:172 12:1588 13:392 14:2339 15:290 16:79 17:365 18:394 20:244 21:4 22:188 23:6041 24:2495 25:4 27:2591 29:19 31:2511 32:105 34:8 35:104 36:1909 37:4586 38:4108 39:838 40:154 41:4037 42:1054 43:2311 44:301 45:16345 46:4145 47:374 49:1734 50:1832 51:383 52:1562 54:397 55:866 56:8 57:81 58:1671 59:1111 60:991 61:2458 62:2626 63:1931 64:5667 65:2320 66:4923 67:3043 68:1348 69:4141 70:1251 71:661 72:2985 74:2590 75:1457 76:600 77:2380 78:1834 79:3182 80:2082 81:1716 82:1490 83:1235 84:1507 85:2982 86:756 87:1955 88:1225 89:3584 90:593 91:7628 92:2012 93:2578 94:3532 95:3933 96:1333 97:346 98:1159 99:744 100:75 101:1298 102:2583 103:30875 104:4489 105:485 106:844 107:2521 108:907 109:4334 110:2079 111:3296 112:2040 113:1484 114:1606 115:2015 116:1874 117:2555 118:2294 119:1912 120:1737 121:1050 122:2582 123:2135 124:1561 125:2312 128:1260 129:1054 130:977 131:1985 132:829 133:406 134:1905 135:315 136:862 137:927 138:2548 139:1544 140:1179 141:1477 142:1415 143:1476 144:1200 145:349 146:1862 147:1553 148:2262 149:1892 150:865 151:1141 152:1943 153:481 154:3900 155:1412 156:1662 157:1297 158:1006 159:2260 160:2543 161:1408 162:3517 163:1523 164:1592 165:1679 166:835 167:1742 168:3833 169:918 170:4565 171:882 172:3513 173:2968 174:1026 175:1159 176:3693 177:4569 178:3578 179:2141 180:2404 181:3386 182:3244 183:1933 184:2344 185:20004 186:4660 187:3906 188:4079 189:3480 190:9081 191:1453 192:10936 193:8804 194:7233 195:5105 196:3134 197:2408 198:5900 199:6064 200:7669 201:5712 202:10230 203:9997 204:4597 205:3501 206:3791 207:3377 208:4069 209:4815 210:4170 211:2384 212:4072 213:3543 214:1097 215:55 216:6606 217:2650 218:1256 219:400 220:1769 221:969 222:665 223:2072 End of report