IPv4 R&E Routing Table Report 23:05 GMT Tue 27 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: 919700 Prefixes after maximum aggregation (per Origin AS): 349513 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451022 Number of IPv4 prefixes with a valid ROA: 409149 Number of IPv4 prefixes with an invalid ROA: 1682 Number of IPv4 prefixes with no ROA: 508869 Total ASes present in the Internet Routing Table: 74381 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63883 Origin ASes announcing only one prefix: 26266 Transit ASes present in the Internet Routing Table: 10498 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1074 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 42166 Number of 32-bit ASNs visible in the Routing Table: 34698 Prefixes from 32-bit ASNs in the Routing Table: 172482 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: 559 Number of addresses announced to Internet: 3053707776 Equivalent to 182 /8s, 3 /16s and 226 /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: 308073 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240223 Total APNIC prefixes after maximum aggregation: 68867 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234252 Unique aggregates announced from the APNIC address blocks: 98562 APNIC Region origin ASes present in the Internet Routing Table: 13385 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3953 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8771 Number of APNIC addresses announced to Internet: 772829696 Equivalent to 46 /8s, 16 /16s and 114 /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: 269927 Total ARIN prefixes after maximum aggregation: 123043 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272456 Unique aggregates announced from the ARIN address blocks: 130626 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 7001 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: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4809 Number of ARIN addresses announced to Internet: 1278639104 Equivalent to 76 /8s, 54 /16s and 124 /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: 260225 Total RIPE prefixes after maximum aggregation: 122648 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256401 Unique aggregates announced from the RIPE address blocks: 159390 RIPE Region origin ASes present in the Internet Routing Table: 28324 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12026 RIPE Region transit ASes present in the Internet Routing Table: 3960 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11213 Number of RIPE addresses announced to Internet: 717307136 Equivalent to 42 /8s, 193 /16s and 61 /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: 118496 Total LACNIC prefixes after maximum aggregation: 28383 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117672 Unique aggregates announced from the LACNIC address blocks: 49555 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2315 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8801 Number of LACNIC addresses announced to Internet: 176921600 Equivalent to 10 /8s, 139 /16s and 156 /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: 29755 Total AfriNIC prefixes after maximum aggregation: 5849 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38360 Unique aggregates announced from the AfriNIC address blocks: 12431 AfriNIC Region origin ASes present in the Internet Routing Table: 1753 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1104 Number of AfriNIC addresses announced to Internet: 107683840 Equivalent to 6 /8s, 107 /16s and 32 /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 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4225 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3045 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2308 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 199 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 8639 10884 3130 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4152 288 86 VIASAT-SP-BACKBONE, US 22773 3542 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3128 1556 2348 AKAMAI-AS, US 749 3126 54969 2378 DNIC-AS-00749, US 396982 2667 3594 379 GOOGLE-CLOUD-PLATFORM, US 30036 2498 361 426 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2452 24006 1557 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 7295 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4092 3398 159 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2291 910 ROSTELECOM-AS, RU 9009 2661 247 1382 M247, RO 34984 2306 361 609 TELLCOM-AS, TR 6849 1895 307 17 UKRTELNET, UA 58224 1829 946 535 TCI, IR 13188 1606 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 11483 3358 595 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2375 353 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1106 181 440 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1616 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1037 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 523 54 46 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 463 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 11483 3358 595 UNINET, MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8639 10884 3130 AMAZON-02, US 12479 7295 1706 141 UNI2-AS, ES 7545 5679 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4225 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4152 288 86 VIASAT-SP-BACKBONE, US 20940 4092 3398 159 AKAMAI-ASN1, NL 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 9501 9464 CHINAMOBILE-CN China Mobile Communications Grou 12479 7295 7154 UNI2-AS, ES 16509 8639 5509 AMAZON-02, US 7545 5679 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4225 4200 FPT-AS-AP FPT Telecom Company, VN 7155 4152 4066 VIASAT-SP-BACKBONE, US 20940 4092 3933 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7552 3681 3660 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 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 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 23.140.216.0/24 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 23.156.200.0/24 Origin: 52025 PARADOXNETWORKS, GB 23.156.200.0/24 Transit: 924 CLOUDIE-NETWORKS-LLC, 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 /12:300 /13:576 /14:1196 /15:2101 /16:13419 /17:8175 /18:13722 /19:24850 /20:43044 /21:51077 /22:109385 /23:98096 /24:553579 /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 6383 7295 UNI2-AS, ES 8151 5402 11483 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3110 4152 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2613 3542 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2167 2:1335 3:221 4:5 5:4532 6:130 7:6 8:1508 9:1 11:172 12:1518 13:387 14:2303 15:301 16:190 17:373 18:494 20:260 21:4 22:188 23:6325 24:2590 25:6 27:2516 29:19 31:2508 32:78 34:22 35:111 36:1980 37:4669 38:4945 39:816 40:150 41:3951 42:2001 43:2304 44:303 45:16555 46:4353 47:377 49:1756 50:1859 51:585 52:1597 54:395 55:977 56:8 57:120 58:1816 59:1105 60:980 61:2547 62:2662 63:1903 64:5607 65:2319 66:4994 67:3056 68:1354 69:4123 70:1210 71:675 72:2988 74:2623 75:1563 76:612 77:2440 78:1813 79:2987 80:2118 81:1793 82:1500 83:1257 84:1515 85:3007 86:749 87:2011 88:1179 89:3759 90:615 91:7752 92:2042 93:2608 94:3603 95:4035 96:1315 97:337 98:1135 99:737 100:93 101:1309 102:2806 103:31549 104:4607 105:505 106:937 107:2572 108:1056 109:4203 110:2100 111:3121 112:2051 113:1730 114:1620 115:1974 116:1895 117:2536 118:2608 119:1974 120:1801 121:1076 122:2604 123:2128 124:1574 125:2473 128:1412 129:1045 130:1008 131:1967 132:846 133:422 134:1796 135:309 136:890 137:950 138:2566 139:1552 140:1247 141:1444 142:1442 143:1497 144:1126 145:341 146:1957 147:1583 148:2392 149:2214 150:873 151:1158 152:1949 153:492 154:4577 155:1413 156:1798 157:1308 158:1082 159:2264 160:2564 161:1551 162:3503 163:1545 164:1592 165:1861 166:1083 167:1723 168:3843 169:948 170:4607 171:898 172:3606 173:2955 174:1079 175:1180 176:3752 177:4538 178:3614 179:2161 180:2467 181:3473 182:3394 183:2048 184:2332 185:20385 186:4844 187:4024 188:4098 189:3722 190:9204 191:1408 192:10883 193:8913 194:7317 195:5134 196:3208 197:2374 198:5904 199:6086 200:7876 201:5949 202:10317 203:10265 204:4544 205:3665 206:4249 207:3378 208:4119 209:4891 210:4171 211:2437 212:4241 213:3606 214:1089 215:59 216:6668 217:2757 218:1276 219:412 220:1753 221:962 222:684 223:2153 End of report