IPv4 R&E Routing Table Report 23:05 GMT Tue 02 May, 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: 913680 Prefixes after maximum aggregation (per Origin AS): 346959 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448743 Number of IPv4 prefixes with a valid ROA: 395252 Number of IPv4 prefixes with an invalid ROA: 1860 Number of IPv4 prefixes with no ROA: 516568 Total ASes present in the Internet Routing Table: 74171 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 63674 Origin ASes announcing only one prefix: 26173 Transit ASes present in the Internet Routing Table: 10497 Transit-only ASes present in the Internet Routing Table: 431 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1087 Number of instances of unregistered ASNs: 1088 Number of 32-bit ASNs allocated by the RIRs: 41773 Number of 32-bit ASNs visible in the Routing Table: 34447 Prefixes from 32-bit ASNs in the Routing Table: 170005 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 625 Number of addresses announced to Internet: 3058843904 Equivalent to 182 /8s, 82 /16s and 65 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306239 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237859 Total APNIC prefixes after maximum aggregation: 68424 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232232 Unique aggregates announced from the APNIC address blocks: 97701 APNIC Region origin ASes present in the Internet Routing Table: 13296 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3900 APNIC Region transit ASes present in the Internet Routing Table: 1779 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: 8666 Number of APNIC addresses announced to Internet: 772875264 Equivalent to 46 /8s, 17 /16s and 36 /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: 268055 Total ARIN prefixes after maximum aggregation: 121617 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270650 Unique aggregates announced from the ARIN address blocks: 130897 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6964 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: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4773 Number of ARIN addresses announced to Internet: 1283158272 Equivalent to 76 /8s, 123 /16s and 113 /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: 259472 Total RIPE prefixes after maximum aggregation: 122070 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255330 Unique aggregates announced from the RIPE address blocks: 158025 RIPE Region origin ASes present in the Internet Routing Table: 28307 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11154 Number of RIPE addresses announced to Internet: 717935360 Equivalent to 42 /8s, 202 /16s and 211 /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: 117710 Total LACNIC prefixes after maximum aggregation: 28229 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116983 Unique aggregates announced from the LACNIC address blocks: 49357 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2295 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8769 Number of LACNIC addresses announced to Internet: 176657152 Equivalent to 10 /8s, 135 /16s and 147 /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: 29497 Total AfriNIC prefixes after maximum aggregation: 5830 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37860 Unique aggregates announced from the AfriNIC address blocks: 12247 AfriNIC Region origin ASes present in the Internet Routing Table: 1735 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1085 Number of AfriNIC addresses announced to Internet: 107802880 Equivalent to 6 /8s, 108 /16s and 241 /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 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2948 490 235 BBIL-AP BHARTI Airtel Ltd., IN 24560 2384 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2177 442 196 TATACOMM-AS TATA Communications formerl 18403 2159 347 25 FPT-AS-AP FPT Telecom Company, VN 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 8252 10776 2937 AMAZON-02, US 11492 4534 300 622 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3584 3058 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 64 SHAW, CA 16625 3162 1575 2352 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2636 3591 367 GOOGLE-CLOUD-PLATFORM, US 7018 2523 24151 1579 ATT-INTERNET4, US 30036 2500 360 446 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 7250 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4077 3399 163 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 909 ROSTELECOM-AS, RU 9009 2702 251 1398 M247, RO 34984 2275 359 612 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1854 950 536 TCI, IR 13188 1607 100 18 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 11267 3344 596 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2334 358 624 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 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 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 442 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1592 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 24757 489 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 11267 3344 596 Uninet S.A. de C.V., MX 9808 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8252 10776 2937 AMAZON-02, US 12479 7250 1706 140 UNI2-AS, ES 7545 5722 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 622 CABLEONE, US 20940 4077 3399 163 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 281 51 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 9463 9426 CHINAMOBILE-CN China Mobile Communications Grou 12479 7250 7110 UNI2-AS, ES 16509 8252 5315 AMAZON-02, US 7545 5722 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4077 3914 AKAMAI-ASN1, NL 11492 4534 3912 CABLEONE, US 8551 3884 3847 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 5.105.166.0/24 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 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 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 /12:298 /13:575 /14:1194 /15:2080 /16:13411 /17:8155 /18:14142 /19:24870 /20:43121 /21:50862 /22:108919 /23:97246 /24:548627 /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 6311 7250 UNI2-AS, ES 8151 5203 11267 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3445 4534 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3523 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2651 3584 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 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) ---------------------------------------------- 1:1785 2:1290 3:175 4:5 5:4512 6:128 7:6 8:1514 9:1 11:172 12:1535 13:388 14:2325 15:299 16:182 17:370 18:420 20:256 21:4 22:188 23:6231 24:2592 25:6 27:2488 29:19 31:2501 32:74 34:12 35:106 36:1949 37:4673 38:4532 39:825 40:150 41:3956 42:1226 43:2325 44:308 45:16467 46:4260 47:357 49:1735 50:1818 51:573 52:1593 54:388 55:860 56:8 57:115 58:1703 59:1102 60:988 61:2472 62:2651 63:1926 64:5654 65:2321 66:4966 67:3000 68:1350 69:4124 70:1231 71:671 72:2984 74:2602 75:1447 76:610 77:2433 78:1798 79:3174 80:2119 81:1765 82:1496 83:1279 84:1513 85:2978 86:766 87:2012 88:1163 89:3665 90:610 91:7728 92:2065 93:2619 94:3599 95:3994 96:1315 97:336 98:1154 99:745 100:73 101:1308 102:2705 103:31231 104:4596 105:488 106:938 107:2522 108:1020 109:4401 110:2085 111:3093 112:2030 113:1576 114:1640 115:2007 116:1901 117:2561 118:2374 119:2008 120:1794 121:1045 122:2579 123:2166 124:1572 125:2459 128:1317 129:1076 130:1012 131:1993 132:851 133:422 134:1900 135:303 136:876 137:952 138:2567 139:1549 140:1236 141:1466 142:1429 143:1489 144:1162 145:345 146:1931 147:1577 148:2315 149:2208 150:874 151:1158 152:1926 153:489 154:4418 155:1442 156:1786 157:1310 158:1056 159:2305 160:2545 161:1527 162:3512 163:1511 164:1604 165:1727 166:1021 167:1742 168:3839 169:936 170:4567 171:880 172:3546 173:2923 174:1066 175:1170 176:3676 177:4547 178:3590 179:2154 180:2602 181:3449 182:3340 183:1975 184:2359 185:20175 186:4782 187:3964 188:4089 189:3555 190:9153 191:1436 192:10915 193:8858 194:7323 195:5154 196:3168 197:2383 198:5866 199:6081 200:7938 201:5878 202:10323 203:10217 204:4593 205:3647 206:4282 207:3382 208:4058 209:4833 210:4168 211:2406 212:4137 213:3575 214:1090 215:59 216:6620 217:2686 218:1273 219:406 220:1764 221:974 222:717 223:2149 End of report