IPv4 R&E Routing Table Report 23:05 GMT Sat 03 Jun, 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: 917322 Prefixes after maximum aggregation (per Origin AS): 348773 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450129 Number of IPv4 prefixes with a valid ROA: 406105 Number of IPv4 prefixes with an invalid ROA: 1695 Number of IPv4 prefixes with no ROA: 509522 Total ASes present in the Internet Routing Table: 74303 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63827 Origin ASes announcing only one prefix: 26241 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 41 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 42015 Number of 32-bit ASNs visible in the Routing Table: 34603 Prefixes from 32-bit ASNs in the Routing Table: 171226 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: 575 Number of addresses announced to Internet: 3054396928 Equivalent to 182 /8s, 14 /16s and 102 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307641 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239490 Total APNIC prefixes after maximum aggregation: 68698 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233580 Unique aggregates announced from the APNIC address blocks: 98223 APNIC Region origin ASes present in the Internet Routing Table: 13343 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3927 APNIC Region transit ASes present in the Internet Routing Table: 1789 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8720 Number of APNIC addresses announced to Internet: 772793600 Equivalent to 46 /8s, 15 /16s and 229 /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, 131072-153913 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: 268968 Total ARIN prefixes after maximum aggregation: 122555 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271835 Unique aggregates announced from the ARIN address blocks: 130624 ARIN Region origin ASes present in the Internet Routing Table: 19084 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6996 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4798 Number of ARIN addresses announced to Internet: 1280157952 Equivalent to 76 /8s, 77 /16s and 169 /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: 260151 Total RIPE prefixes after maximum aggregation: 122551 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255980 Unique aggregates announced from the RIPE address blocks: 158861 RIPE Region origin ASes present in the Internet Routing Table: 28313 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 3970 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11196 Number of RIPE addresses announced to Internet: 717805568 Equivalent to 42 /8s, 200 /16s and 216 /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: 118316 Total LACNIC prefixes after maximum aggregation: 28348 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117485 Unique aggregates announced from the LACNIC address blocks: 49511 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2282 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: 8795 Number of LACNIC addresses announced to Internet: 176966912 Equivalent to 10 /8s, 140 /16s and 77 /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: 29329 Total AfriNIC prefixes after maximum aggregation: 5846 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37867 Unique aggregates announced from the AfriNIC address blocks: 12439 AfriNIC Region origin ASes present in the Internet Routing Table: 1742 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 606 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: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 106277888 Equivalent to 6 /8s, 85 /16s and 172 /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 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4212 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3019 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2405 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 198 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 8494 10824 3065 AMAZON-02, US 11492 4524 300 606 CABLEONE, US 7155 4052 282 62 VIASAT-SP-BACKBONE, US 22773 3566 3052 272 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3128 54970 2380 DNIC-AS-00749, US 16625 3074 1544 2323 AKAMAI-AS, US 396982 2659 3593 374 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2448 24002 1533 ATT-INTERNET4, 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 7300 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4085 3398 160 AKAMAI-ASN1, NL 8551 3878 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2291 910 ROSTELECOM-AS, RU 9009 2665 247 1389 M247, RO 34984 2277 360 605 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1828 945 534 TCI, IR 61317 1662 111 1287 ASDETUK www.heficed.com, US 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 11293 3356 622 Uninet S.A. de C.V., MX 10620 3518 507 856 Telmex Colombia S.A., CO 13999 2369 364 634 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 441 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 1569 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 489 73 5 EthioNet-AS, ET 37342 473 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 11293 3356 622 Uninet S.A. de C.V., MX 9808 9482 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8494 10824 3065 AMAZON-02, US 12479 7300 1707 141 UNI2-AS, ES 7545 5723 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 606 CABLEONE, US 18403 4212 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4085 3398 160 AKAMAI-ASN1, NL 7155 4052 282 62 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 9482 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8494 5429 AMAZON-02, US 7545 5723 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4212 4187 FPT-AS-AP FPT Telecom Company, VN 7155 4052 3990 VIASAT-SP-BACKBONE, US 20940 4085 3925 AKAMAI-ASN1, NL 11492 4524 3918 CABLEONE, US 8551 3878 3844 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 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 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.154.184.0/24 Origin: 398143 TRUESTREAM, US 23.154.184.0/24 Transit: 6939 HURRICANE, 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 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 /9:14 /10:38 /11:103 /12:301 /13:578 /14:1195 /15:2068 /16:13414 /17:8120 /18:13704 /19:24739 /20:42883 /21:50918 /22:109063 /23:97774 /24:552385 /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 6384 7300 UNI2-AS, ES 8151 5278 11293 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 8551 3351 3878 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3523 SHAW, CA 7155 3067 4052 VIASAT-SP-BACKBONE, US 22773 2634 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2073 3518 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) ---------------------------------------------- 1:2145 2:1240 3:198 4:5 5:4540 6:131 7:6 8:1497 9:1 11:172 12:1532 13:385 14:2299 15:304 16:191 17:368 18:453 20:263 21:4 22:188 23:6283 24:2600 25:6 27:2483 29:19 31:2498 32:78 34:21 35:109 36:1973 37:4658 38:4746 39:845 40:151 41:3906 42:1976 43:2341 44:308 45:16457 46:4321 47:375 49:1745 50:1863 51:585 52:1596 54:394 55:870 56:8 57:117 58:1788 59:1055 60:984 61:2536 62:2652 63:1914 64:5656 65:2307 66:4995 67:3007 68:1342 69:4128 70:1202 71:670 72:2994 74:2609 75:1557 76:606 77:2431 78:1809 79:3184 80:2133 81:1790 82:1487 83:1262 84:1526 85:3006 86:772 87:2032 88:1168 89:3673 90:614 91:7762 92:2063 93:2614 94:3621 95:4042 96:1310 97:336 98:1120 99:745 100:83 101:1314 102:2755 103:31350 104:4600 105:504 106:938 107:2588 108:1039 109:4394 110:2083 111:3122 112:1983 113:1734 114:1647 115:2000 116:1878 117:2545 118:2623 119:2004 120:1793 121:1063 122:2573 123:2110 124:1572 125:2463 128:1419 129:1047 130:1005 131:1987 132:847 133:420 134:1888 135:306 136:882 137:951 138:2567 139:1542 140:1240 141:1423 142:1443 143:1527 144:1147 145:347 146:1937 147:1587 148:2394 149:2236 150:879 151:1153 152:1928 153:488 154:4536 155:1446 156:1812 157:1234 158:1077 159:2229 160:2550 161:1548 162:3514 163:1468 164:1605 165:1794 166:1103 167:1735 168:3844 169:947 170:4586 171:901 172:3577 173:2958 174:1062 175:1165 176:3687 177:4639 178:3577 179:2237 180:2543 181:3484 182:3394 183:2084 184:2339 185:20304 186:4828 187:3998 188:4092 189:3638 190:9176 191:1474 192:10903 193:8873 194:7307 195:5147 196:3160 197:2362 198:5889 199:6096 200:7959 201:5904 202:10378 203:10244 204:4560 205:3676 206:4208 207:3391 208:4079 209:4865 210:4146 211:2437 212:4176 213:3619 214:1106 215:59 216:6660 217:2716 218:1240 219:392 220:1758 221:955 222:682 223:2149 End of report