IPv4 R&E Routing Table Report 23:05 GMT Wed 12 Apr, 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: 909511 Prefixes after maximum aggregation (per Origin AS): 346383 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447871 Number of IPv4 prefixes with a valid ROA: 386867 Number of IPv4 prefixes with an invalid ROA: 1384 Number of IPv4 prefixes with no ROA: 521260 Total ASes present in the Internet Routing Table: 74105 Prefixes per ASN: 12.27 Origin-only ASes present in the Internet Routing Table: 63706 Origin ASes announcing only one prefix: 26168 Transit ASes present in the Internet Routing Table: 10399 Transit-only ASes present in the Internet Routing Table: 418 Paths with bogon ASNs present in the IPv4 Routing Table: 15 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1417 Number of instances of unregistered ASNs: 1417 Number of 32-bit ASNs allocated by the RIRs: 41634 Number of 32-bit ASNs visible in the Routing Table: 34379 Prefixes from 32-bit ASNs in the Routing Table: 168986 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: 935 Number of addresses announced to Internet: 3060294656 Equivalent to 182 /8s, 104 /16s and 100 /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: 305379 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235937 Total APNIC prefixes after maximum aggregation: 68362 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230316 Unique aggregates announced from the APNIC address blocks: 97546 APNIC Region origin ASes present in the Internet Routing Table: 13290 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 3901 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8647 Number of APNIC addresses announced to Internet: 772903168 Equivalent to 46 /8s, 17 /16s and 145 /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: 267424 Total ARIN prefixes after maximum aggregation: 121401 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269956 Unique aggregates announced from the ARIN address blocks: 130696 ARIN Region origin ASes present in the Internet Routing Table: 19022 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1899 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4768 Number of ARIN addresses announced to Internet: 1284603392 Equivalent to 76 /8s, 145 /16s and 126 /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: 258314 Total RIPE prefixes after maximum aggregation: 121843 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254275 Unique aggregates announced from the RIPE address blocks: 157499 RIPE Region origin ASes present in the Internet Routing Table: 28267 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11108 Number of RIPE addresses announced to Internet: 717739776 Equivalent to 42 /8s, 199 /16s and 215 /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: 117164 Total LACNIC prefixes after maximum aggregation: 28133 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116475 Unique aggregates announced from the LACNIC address blocks: 49177 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2269 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8775 Number of LACNIC addresses announced to Internet: 176578048 Equivalent to 10 /8s, 134 /16s and 94 /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: 29255 Total AfriNIC prefixes after maximum aggregation: 5804 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37554 Unique aggregates announced from the AfriNIC address blocks: 12283 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1081 Number of AfriNIC addresses announced to Internet: 107742720 Equivalent to 6 /8s, 108 /16s and 6 /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 9455 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5726 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3667 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3557 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3387 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2926 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2372 836 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2171 439 213 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 8243 10779 2899 AMAZON-02, US 11492 4541 301 611 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3591 3035 271 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3153 1584 2335 AKAMAI-AS, US 749 3052 50540 2319 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2580 24119 1576 ATT-INTERNET4, US 30036 2493 360 505 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 7238 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4057 3399 163 AKAMAI-ASN1, NL 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 911 ROSTELECOM-AS, RU 9009 2651 249 1378 M247, RO 34984 2271 359 611 TELLCOM-AS, TR 6849 2017 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11094 3343 585 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2312 354 610 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1331 2325 235 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1103 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1027 2498 45 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 1576 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1022 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 73 5 EthioNet-AS, ET 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 11094 3343 585 Uninet S.A. de C.V., MX 9808 9455 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8243 10779 2899 AMAZON-02, US 12479 7238 1705 149 UNI2-AS, ES 7545 5726 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4541 301 611 CABLEONE, US 20940 4057 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3885 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 9455 9419 CHINAMOBILE-CN China Mobile Communications Grou 12479 7238 7089 UNI2-AS, ES 16509 8243 5344 AMAZON-02, US 7545 5726 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4541 3930 CABLEONE, US 7155 3967 3919 VIASAT-SP-BACKBONE, US 20940 4057 3894 AKAMAI-ASN1, NL 8551 3885 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3667 3646 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., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, 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 23.131.185.0/24 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 /13:574 /14:1196 /15:2028 /16:13407 /17:8124 /18:13671 /19:24779 /20:42946 /21:50779 /22:108724 /23:96932 /24:545873 /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 6298 7238 UNI2-AS, ES 8151 5068 11094 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3450 4541 CABLEONE, US 8551 3357 3885 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2672 3591 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1671 2:1229 3:173 4:5 5:4488 6:127 7:6 8:1511 9:1 11:172 12:1549 13:390 14:2302 15:297 16:183 17:372 18:416 20:248 21:4 22:188 23:6204 24:2570 25:6 27:2492 29:19 31:2523 32:86 34:10 35:104 36:1941 37:4646 38:4461 39:804 40:151 41:3971 42:975 43:2312 44:307 45:16469 46:4229 47:356 49:1735 50:1823 51:571 52:1594 54:388 55:853 56:8 57:89 58:1683 59:1070 60:972 61:2468 62:2632 63:1920 64:5664 65:2313 66:4921 67:3015 68:1379 69:4164 70:1249 71:671 72:2975 74:2605 75:1467 76:606 77:2422 78:1847 79:3165 80:2095 81:1741 82:1482 83:1274 84:1510 85:2993 86:756 87:1980 88:1233 89:3604 90:610 91:7670 92:2058 93:2613 94:3588 95:4004 96:1328 97:336 98:1157 99:746 100:73 101:1301 102:2657 103:31174 104:4631 105:483 106:895 107:2523 108:1017 109:4410 110:2078 111:3190 112:2054 113:1496 114:1640 115:2008 116:1908 117:2559 118:2276 119:2012 120:1767 121:1047 122:2607 123:2113 124:1571 125:2471 128:1254 129:1046 130:1006 131:1976 132:800 133:422 134:1895 135:305 136:877 137:936 138:2554 139:1554 140:1234 141:1458 142:1426 143:1497 144:1161 145:345 146:1924 147:1570 148:2297 149:2047 150:871 151:1154 152:1840 153:488 154:4386 155:1428 156:1791 157:1305 158:1050 159:2283 160:2525 161:1515 162:3510 163:1503 164:1611 165:1705 166:1009 167:1731 168:3853 169:936 170:4604 171:871 172:3550 173:2927 174:1068 175:1155 176:3658 177:4574 178:3573 179:2142 180:2442 181:3409 182:3335 183:1930 184:2353 185:20131 186:4748 187:3932 188:4076 189:3508 190:9116 191:1445 192:10891 193:8828 194:7289 195:5133 196:3090 197:2385 198:5889 199:6076 200:7888 201:5799 202:10310 203:10198 204:4614 205:3537 206:4070 207:3398 208:4068 209:4870 210:4166 211:2397 212:4096 213:3556 214:1083 215:59 216:6630 217:2684 218:1267 219:406 220:1765 221:970 222:711 223:2149 End of report