IPv4 R&E Routing Table Report 23:05 GMT Mon 15 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: 916236 Prefixes after maximum aggregation (per Origin AS): 347861 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448569 Number of IPv4 prefixes with a valid ROA: 398756 Number of IPv4 prefixes with an invalid ROA: 1690 Number of IPv4 prefixes with no ROA: 515790 Total ASes present in the Internet Routing Table: 74258 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63782 Origin ASes announcing only one prefix: 26233 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 428 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1095 Number of instances of unregistered ASNs: 1095 Number of 32-bit ASNs allocated by the RIRs: 41869 Number of 32-bit ASNs visible in the Routing Table: 34537 Prefixes from 32-bit ASNs in the Routing Table: 170620 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: 612 Number of addresses announced to Internet: 3056443648 Equivalent to 182 /8s, 45 /16s and 161 /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: 307111 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239656 Total APNIC prefixes after maximum aggregation: 68564 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 233967 Unique aggregates announced from the APNIC address blocks: 97974 APNIC Region origin ASes present in the Internet Routing Table: 13342 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3934 APNIC Region transit ASes present in the Internet Routing Table: 1782 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: 8707 Number of APNIC addresses announced to Internet: 772931840 Equivalent to 46 /8s, 18 /16s and 1 /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: 268452 Total ARIN prefixes after maximum aggregation: 122074 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271114 Unique aggregates announced from the ARIN address blocks: 130201 ARIN Region origin ASes present in the Internet Routing Table: 19065 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 4785 Number of ARIN addresses announced to Internet: 1280739328 Equivalent to 76 /8s, 86 /16s and 136 /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: 259755 Total RIPE prefixes after maximum aggregation: 122347 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255712 Unique aggregates announced from the RIPE address blocks: 158235 RIPE Region origin ASes present in the Internet Routing Table: 28303 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 11177 Number of RIPE addresses announced to Internet: 718017024 Equivalent to 42 /8s, 204 /16s and 18 /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: 117915 Total LACNIC prefixes after maximum aggregation: 28245 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117205 Unique aggregates announced from the LACNIC address blocks: 49345 LACNIC Region origin ASes present in the Internet Routing Table: 10990 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2284 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: 8781 Number of LACNIC addresses announced to Internet: 176715008 Equivalent to 10 /8s, 136 /16s and 117 /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: 29363 Total AfriNIC prefixes after maximum aggregation: 5841 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37626 Unique aggregates announced from the AfriNIC address blocks: 12306 AfriNIC Region origin ASes present in the Internet Routing Table: 1739 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1087 Number of AfriNIC addresses announced to Internet: 107634432 Equivalent to 6 /8s, 106 /16s and 95 /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 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5720 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4131 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3676 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3574 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3395 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2959 491 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2394 836 449 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2300 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 197 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 8297 10782 2933 AMAZON-02, US 11492 4536 300 606 CABLEONE, US 7155 4011 281 51 VIASAT-SP-BACKBONE, US 22773 3566 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 16625 3101 1568 2348 AKAMAI-AS, US 749 3100 54980 2352 DNIC-AS-00749, US 396982 2643 3591 370 GOOGLE-CLOUD-PLATFORM, US 30036 2496 360 466 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2480 24145 1553 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 7298 1707 141 UNI2-AS, ES 39891 4765 282 60 ALJAWWALSTC-AS, SA 20940 4079 3398 162 AKAMAI-ASN1, NL 8551 3881 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2707 251 1395 M247, RO 34984 2272 359 612 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1850 949 534 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 11285 3328 607 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2351 361 621 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 447 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 1601 393 19 LINKdotNET-AS, EG 24835 1495 517 28 RAYA-AS, EG 36992 1339 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1029 67 47 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 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 11285 3328 607 Uninet S.A. de C.V., MX 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8297 10782 2933 AMAZON-02, US 12479 7298 1707 141 UNI2-AS, ES 7545 5720 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 60 ALJAWWALSTC-AS, SA 11492 4536 300 606 CABLEONE, US 18403 4131 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4079 3398 162 AKAMAI-ASN1, NL 7155 4011 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 9477 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7157 UNI2-AS, ES 16509 8297 5364 AMAZON-02, US 7545 5720 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4705 ALJAWWALSTC-AS, SA 18403 4131 4106 FPT-AS-AP FPT Telecom Company, VN 7155 4011 3960 VIASAT-SP-BACKBONE, US 11492 4536 3930 CABLEONE, US 20940 4079 3917 AKAMAI-ASN1, NL 8551 3881 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., 3507 UNALLOCATED 5.105.206.0/24 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 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 /11:104 /12:301 /13:576 /14:1196 /15:2083 /16:13420 /17:8143 /18:13707 /19:24775 /20:43052 /21:50961 /22:109079 /23:97748 /24:551014 /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 6362 7298 UNI2-AS, ES 8151 5240 11285 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3444 4536 CABLEONE, US 8551 3353 3881 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3525 SHAW, CA 7155 3069 4011 VIASAT-SP-BACKBONE, US 22773 2639 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:2135 2:1307 3:174 4:5 5:4534 6:128 7:6 8:1503 9:1 11:172 12:1534 13:385 14:2309 15:300 16:187 17:372 18:421 20:258 21:4 22:188 23:6233 24:2593 25:6 27:2487 29:19 31:2492 32:76 34:12 35:106 36:1963 37:4691 38:4577 39:843 40:151 41:3910 42:1952 43:2331 44:308 45:16466 46:4297 47:358 49:1742 50:1835 51:506 52:1600 54:394 55:748 56:8 57:115 58:1802 59:1101 60:987 61:2511 62:2668 63:1922 64:5680 65:2321 66:4993 67:2993 68:1345 69:4090 70:1247 71:670 72:2985 74:2611 75:1554 76:610 77:2443 78:1805 79:3169 80:2124 81:1779 82:1498 83:1280 84:1511 85:2981 86:768 87:2015 88:1152 89:3684 90:614 91:7722 92:2059 93:2619 94:3624 95:4014 96:1310 97:336 98:1150 99:745 100:73 101:1306 102:2714 103:31265 104:4648 105:489 106:939 107:2520 108:1034 109:4404 110:2104 111:3116 112:2029 113:1708 114:1648 115:1998 116:1888 117:2565 118:2600 119:2007 120:1794 121:1062 122:2591 123:2129 124:1568 125:2464 128:1341 129:1078 130:1017 131:1973 132:829 133:422 134:1920 135:304 136:874 137:948 138:2561 139:1546 140:1241 141:1452 142:1433 143:1503 144:1156 145:346 146:1928 147:1582 148:2336 149:2226 150:873 151:1155 152:1933 153:487 154:4388 155:1446 156:1784 157:1301 158:1068 159:2290 160:2543 161:1534 162:3509 163:1513 164:1609 165:1751 166:1047 167:1721 168:3844 169:935 170:4565 171:880 172:3548 173:2925 174:1074 175:1173 176:3682 177:4592 178:3593 179:2165 180:2606 181:3481 182:3351 183:2105 184:2346 185:20227 186:4739 187:3991 188:4089 189:3590 190:9167 191:1440 192:10903 193:8861 194:7297 195:5158 196:3103 197:2369 198:5886 199:6090 200:7930 201:5904 202:10366 203:10265 204:4559 205:3676 206:4235 207:3388 208:4080 209:4850 210:4167 211:2420 212:4168 213:3616 214:1092 215:59 216:6645 217:2693 218:1273 219:408 220:1759 221:974 222:708 223:2139 End of report