IPv4 R&E Routing Table Report 23:05 GMT Sun 04 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: 900785 Prefixes after maximum aggregation (per Origin AS): 342650 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442928 Number of IPv4 prefixes with a valid ROA: 364755 Number of IPv4 prefixes with an invalid ROA: 1580 Number of IPv4 prefixes with no ROA: 534450 Total ASes present in the Internet Routing Table: 73717 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63364 Origin ASes announcing only one prefix: 26053 Transit ASes present in the Internet Routing Table: 10353 Transit-only ASes present in the Internet Routing Table: 411 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: 1008 Number of instances of unregistered ASNs: 1008 Number of 32-bit ASNs allocated by the RIRs: 40795 Number of 32-bit ASNs visible in the Routing Table: 33728 Prefixes from 32-bit ASNs in the Routing Table: 164258 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: 3061980672 Equivalent to 182 /8s, 130 /16s and 30 /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: 302744 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233434 Total APNIC prefixes after maximum aggregation: 67566 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228242 Unique aggregates announced from the APNIC address blocks: 97247 APNIC Region origin ASes present in the Internet Routing Table: 13054 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 3788 APNIC Region transit ASes present in the Internet Routing Table: 1757 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: 8365 Number of APNIC addresses announced to Internet: 773136128 Equivalent to 46 /8s, 21 /16s and 31 /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: 266225 Total ARIN prefixes after maximum aggregation: 121158 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267776 Unique aggregates announced from the ARIN address blocks: 129331 ARIN Region origin ASes present in the Internet Routing Table: 19020 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6984 ARIN Region transit ASes present in the Internet Routing Table: 1871 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: 4674 Number of ARIN addresses announced to Internet: 1288388096 Equivalent to 76 /8s, 203 /16s and 62 /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: 254277 Total RIPE prefixes after maximum aggregation: 119397 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251014 Unique aggregates announced from the RIPE address blocks: 155029 RIPE Region origin ASes present in the Internet Routing Table: 28157 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 12013 RIPE Region transit ASes present in the Internet Routing Table: 3977 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: 10897 Number of RIPE addresses announced to Internet: 716237568 Equivalent to 42 /8s, 176 /16s and 235 /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: 117042 Total LACNIC prefixes after maximum aggregation: 28140 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116389 Unique aggregates announced from the LACNIC address blocks: 48863 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2682 LACNIC Region transit ASes present in the Internet Routing Table: 2246 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: 8758 Number of LACNIC addresses announced to Internet: 175871488 Equivalent to 10 /8s, 123 /16s and 150 /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: 28799 Total AfriNIC prefixes after maximum aggregation: 5644 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36845 Unique aggregates announced from the AfriNIC address blocks: 12029 AfriNIC Region origin ASes present in the Internet Routing Table: 1697 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 586 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1034 Number of AfriNIC addresses announced to Internet: 108051456 Equivalent to 6 /8s, 112 /16s and 188 /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 9131 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5954 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3617 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1874 92 VNPT-AS-VN VNPT Corp, VN 9498 2572 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2309 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2163 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 7693 10625 2903 AMAZON-02, US 11492 4547 301 569 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3698 3044 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1320 63 SHAW, CA 16625 3505 1828 2528 AKAMAI-AS, US 749 3063 50660 2330 DNIC-AS-00749, US 30036 2583 369 338 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2580 24059 1551 ATT-INTERNET4, US 396982 2565 3482 360 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 6962 1730 151 UNI2-AS, ES 20940 4071 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3933 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2290 912 ROSTELECOM-AS, RU 9009 2648 252 1360 M247, RO 34984 2250 357 609 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1798 937 531 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 10797 3336 598 Uninet S.A. de C.V., MX 10620 3461 506 848 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2132 350 554 Mega Cable, S.A. de C.V., MX 28573 1329 2327 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 369 22 Telefonica del Peru S.A.A., PE 11664 1134 184 474 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 1011 67 40 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 529 54 45 WANANCHI-, KE 37342 441 32 1 MOVITEL, MZ 2018 377 319 72 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 10797 3336 598 Uninet S.A. de C.V., MX 9808 9131 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7693 10625 2903 AMAZON-02, US 12479 6962 1730 151 UNI2-AS, ES 7545 5954 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 569 CABLEONE, US 20940 4071 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3933 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3893 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 9131 9084 CHINAMOBILE-CN China Mobile Communications Grou 12479 6962 6811 UNI2-AS, ES 7545 5954 5260 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7693 4790 AMAZON-02, US 11492 4547 3978 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4071 3897 AKAMAI-ASN1, NL 8551 3933 3895 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3893 3861 VIASAT-SP-BACKBONE, US 7552 3617 3596 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 /12:295 /13:584 /14:1195 /15:2080 /16:13472 /17:8252 /18:13765 /19:24833 /20:43056 /21:50909 /22:108718 /23:96292 /24:537159 /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 5995 6962 UNI2-AS, ES 8151 4787 10797 Uninet S.A. de C.V., MX 11492 3454 4547 CABLEONE, US 8551 3397 3933 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3527 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2730 3698 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2241 2583 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) ---------------------------------------------- 1:1852 2:1016 3:168 4:5 5:4065 6:118 7:5 8:1543 9:1 11:173 12:1616 13:380 14:2354 15:286 16:75 17:367 18:386 20:240 21:4 22:188 23:6006 24:2442 25:4 27:2704 29:19 31:2482 32:101 34:8 35:94 36:1835 37:4570 38:3862 39:772 40:144 41:3957 42:1183 43:2284 44:306 45:16351 46:4160 47:370 49:1702 50:1927 51:244 52:1517 54:397 55:843 56:8 57:79 58:1726 59:1105 60:1005 61:2422 62:2570 63:1951 64:5623 65:2331 66:4833 67:2986 68:1373 69:4129 70:1288 71:678 72:2985 74:2631 75:1464 76:596 77:2255 78:1821 79:3156 80:2047 81:1658 82:1496 83:1225 84:1475 85:2968 86:752 87:1932 88:1161 89:3499 90:578 91:7615 92:1990 93:2563 94:3539 95:3879 96:1315 97:345 98:1169 99:740 100:69 101:1258 102:2489 103:30454 104:4568 105:482 106:826 107:2544 108:909 109:4334 110:2015 111:3260 112:2034 113:1507 114:1590 115:2012 116:1880 117:2467 118:2334 119:1882 120:1690 121:1043 122:2566 123:2124 124:1534 125:2150 128:1204 129:935 130:962 131:2014 132:830 133:400 134:1903 135:294 136:881 137:919 138:2582 139:1521 140:1035 141:1472 142:1403 143:1418 144:1198 145:356 146:1881 147:1504 148:2255 149:1844 150:865 151:1144 152:1954 153:455 154:3779 155:1409 156:1633 157:1288 158:1037 159:2239 160:2570 161:1426 162:3517 163:1444 164:1669 165:1641 166:816 167:1743 168:3831 169:914 170:4570 171:868 172:3516 173:3103 174:1033 175:1157 176:3617 177:4771 178:3550 179:2145 180:2393 181:3342 182:3216 183:1937 184:2360 185:19943 186:4622 187:3926 188:4066 189:3423 190:9013 191:1449 192:10964 193:8780 194:7185 195:5070 196:3081 197:2383 198:5951 199:6084 200:7626 201:5833 202:10202 203:10047 204:4602 205:3499 206:3760 207:3349 208:4103 209:4782 210:4158 211:2392 212:4018 213:3524 214:1099 215:57 216:6587 217:2623 218:1264 219:410 220:1797 221:950 222:666 223:2000 End of report