IPv4 R&E Routing Table Report 23:05 GMT Wed 28 Sep, 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: 894415 Prefixes after maximum aggregation (per Origin AS): 340396 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439551 Number of IPv4 prefixes with a valid ROA: 352485 Number of IPv4 prefixes with an invalid ROA: 1545 Number of IPv4 prefixes with no ROA: 540385 Total ASes present in the Internet Routing Table: 73530 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63186 Origin ASes announcing only one prefix: 26005 Transit ASes present in the Internet Routing Table: 10344 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1079 Number of instances of unregistered ASNs: 1080 Number of 32-bit ASNs allocated by the RIRs: 40264 Number of 32-bit ASNs visible in the Routing Table: 33382 Prefixes from 32-bit ASNs in the Routing Table: 160253 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 539 Number of addresses announced to Internet: 3065373952 Equivalent to 182 /8s, 181 /16s and 229 /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: 300389 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231488 Total APNIC prefixes after maximum aggregation: 67002 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226409 Unique aggregates announced from the APNIC address blocks: 96296 APNIC Region origin ASes present in the Internet Routing Table: 12897 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3721 APNIC Region transit ASes present in the Internet Routing Table: 1747 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: 8192 Number of APNIC addresses announced to Internet: 773269248 Equivalent to 46 /8s, 23 /16s and 39 /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: 264229 Total ARIN prefixes after maximum aggregation: 120899 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265117 Unique aggregates announced from the ARIN address blocks: 128302 ARIN Region origin ASes present in the Internet Routing Table: 18986 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1868 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4603 Number of ARIN addresses announced to Internet: 1291369472 Equivalent to 76 /8s, 248 /16s and 188 /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: 252756 Total RIPE prefixes after maximum aggregation: 118376 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249858 Unique aggregates announced from the RIPE address blocks: 153592 RIPE Region origin ASes present in the Internet Routing Table: 28185 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3996 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: 10836 Number of RIPE addresses announced to Internet: 716615424 Equivalent to 42 /8s, 182 /16s and 175 /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: 116280 Total LACNIC prefixes after maximum aggregation: 27746 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115883 Unique aggregates announced from the LACNIC address blocks: 48965 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2223 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: 8735 Number of LACNIC addresses announced to Internet: 176096256 Equivalent to 10 /8s, 127 /16s and 4 /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: 28583 Total AfriNIC prefixes after maximum aggregation: 5573 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36609 Unique aggregates announced from the AfriNIC address blocks: 11962 AfriNIC Region origin ASes present in the Internet Routing Table: 1686 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1016 Number of AfriNIC addresses announced to Internet: 107733760 Equivalent to 6 /8s, 107 /16s and 227 /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 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5921 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3383 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2452 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2232 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2229 11251 597 KIXS-AS-KR Korea Telecom, KR 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2130 425 216 TATACOMM-AS TATA Communications formerl 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 7267 10548 2831 AMAZON-02, US 11492 4549 301 621 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3772 3063 342 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3546 1848 2543 AKAMAI-AS, US 6327 3488 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2601 367 278 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2549 3388 378 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 394 CENTURYLINK-US-LEGACY-QWEST, 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 6903 1730 144 UNI2-AS, ES 20940 4071 3374 196 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 912 ROSTELECOM-AS, RU 9009 2609 252 1343 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2257 358 633 TELLCOM-AS, TR 58224 1796 936 540 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 11009 3392 558 Uninet S.A. de C.V., MX 10620 3484 513 829 Telmex Colombia S.A., CO 11830 2300 369 64 Instituto Costarricense de Electricidad 13999 2017 331 522 Mega Cable, S.A. de C.V., MX 28573 1349 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1140 369 21 Telefonica del Peru S.A.A., PE 11664 1057 178 465 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1567 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 996 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 523 53 41 WANANCHI-, KE 37342 480 32 1 MOVITEL, MZ 23889 401 232 16 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 11009 3392 558 Uninet S.A. de C.V., MX 9808 9062 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7267 10548 2831 AMAZON-02, US 12479 6903 1730 144 UNI2-AS, ES 7545 5921 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 621 CABLEONE, US 20940 4071 3374 196 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 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 9062 9015 CHINAMOBILE-CN China Mobile Communications Grou 12479 6903 6759 UNI2-AS, ES 7545 5921 5223 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7267 4436 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4549 3928 CABLEONE, US 20940 4071 3875 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 25674 UNALLOCATED 8.12.76.0/24 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /12:297 /13:586 /14:1193 /15:2091 /16:13450 /17:8260 /18:13768 /19:24718 /20:43098 /21:50882 /22:108038 /23:95846 /24:532013 /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 5908 6903 UNI2-AS, ES 8151 4751 11009 Uninet S.A. de C.V., MX 11492 3472 4549 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3297 3488 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2799 3772 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2259 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1024 3:164 4:5 5:3918 6:116 7:6 8:1555 9:1 11:173 12:1628 13:342 14:2357 15:266 16:68 17:361 18:324 20:238 21:4 22:188 23:5950 24:2450 25:6 27:2668 29:19 31:2429 32:91 34:7 35:89 36:1891 37:4489 38:3563 39:751 40:153 41:3917 42:1169 43:2232 44:292 45:16140 46:4160 47:343 48:1 49:1722 50:1919 51:242 52:1494 54:388 55:849 56:8 57:78 58:1722 59:1101 60:987 61:2357 62:2542 63:1918 64:5605 65:2311 66:4834 67:2956 68:1196 69:4156 70:1306 71:676 72:2977 74:2627 75:1486 76:592 77:2263 78:1853 79:3137 80:2052 81:1644 82:1508 83:1209 84:1397 85:2949 86:726 87:1906 88:1167 89:3389 90:542 91:7579 92:2037 93:2543 94:3527 95:3825 96:1328 97:343 98:1035 99:736 100:77 101:1295 102:2305 103:30033 104:4516 105:472 106:887 107:2535 108:889 109:4300 110:2004 111:3275 112:2041 113:1478 114:1503 115:1981 116:1885 117:2484 118:2325 119:1841 120:1707 121:1016 122:2535 123:2098 124:1515 125:2099 128:1174 129:996 130:960 131:2030 132:808 133:378 134:1893 135:291 136:853 137:883 138:2513 139:1509 140:1035 141:1459 142:1343 143:1402 144:1195 145:345 146:1847 147:1522 148:2229 149:1818 150:876 151:1105 152:1934 153:468 154:3814 155:1434 156:1694 157:1293 158:1038 159:2193 160:2533 161:1358 162:3494 163:1399 164:1661 165:1650 166:784 167:1722 168:3799 169:871 170:4549 171:848 172:3402 173:3098 174:1015 175:1165 176:3600 177:4720 178:3556 179:2169 180:2362 181:3250 182:3197 183:1934 184:2358 185:19730 186:4555 187:3913 188:4007 189:3483 190:8942 191:1441 192:10968 193:8703 194:7121 195:5029 196:2979 197:2451 198:5917 199:6012 200:7580 201:5789 202:10143 203:10007 204:4511 205:3462 206:3799 207:3374 208:4035 209:4721 210:4118 211:2326 212:4040 213:3545 214:1118 215:54 216:6403 217:2632 218:1267 219:406 220:1775 221:921 222:656 223:1970 End of report