IPv4 R&E Routing Table Report 23:05 GMT Wed 26 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: 912321 Prefixes after maximum aggregation (per Origin AS): 346978 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448783 Number of IPv4 prefixes with a valid ROA: 393901 Number of IPv4 prefixes with an invalid ROA: 1921 Number of IPv4 prefixes with no ROA: 516499 Total ASes present in the Internet Routing Table: 74167 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 63676 Origin ASes announcing only one prefix: 26192 Transit ASes present in the Internet Routing Table: 10491 Transit-only ASes present in the Internet Routing Table: 430 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: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1091 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 41732 Number of 32-bit ASNs visible in the Routing Table: 34436 Prefixes from 32-bit ASNs in the Routing Table: 169868 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 634 Number of addresses announced to Internet: 3059225088 Equivalent to 182 /8s, 88 /16s and 18 /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: 306237 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236954 Total APNIC prefixes after maximum aggregation: 68449 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 231325 Unique aggregates announced from the APNIC address blocks: 97799 APNIC Region origin ASes present in the Internet Routing Table: 13293 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3910 APNIC Region transit ASes present in the Internet Routing Table: 1781 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: 8662 Number of APNIC addresses announced to Internet: 772760064 Equivalent to 46 /8s, 15 /16s and 98 /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: 267866 Total ARIN prefixes after maximum aggregation: 121516 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270487 Unique aggregates announced from the ARIN address blocks: 130854 ARIN Region origin ASes present in the Internet Routing Table: 19027 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1905 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: 4768 Number of ARIN addresses announced to Internet: 1283572992 Equivalent to 76 /8s, 129 /16s and 197 /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: 259331 Total RIPE prefixes after maximum aggregation: 122117 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255206 Unique aggregates announced from the RIPE address blocks: 158049 RIPE Region origin ASes present in the Internet Routing Table: 28304 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3980 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: 11152 Number of RIPE addresses announced to Internet: 717953792 Equivalent to 42 /8s, 203 /16s and 27 /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: 117620 Total LACNIC prefixes after maximum aggregation: 28274 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116877 Unique aggregates announced from the LACNIC address blocks: 49281 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2651 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: 8767 Number of LACNIC addresses announced to Internet: 176673024 Equivalent to 10 /8s, 135 /16s and 209 /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: 29459 Total AfriNIC prefixes after maximum aggregation: 5832 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37792 Unique aggregates announced from the AfriNIC address blocks: 12276 AfriNIC Region origin ASes present in the Internet Routing Table: 1740 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1087 Number of AfriNIC addresses announced to Internet: 107852032 Equivalent to 6 /8s, 109 /16s and 177 /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 9458 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5730 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3560 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3395 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2940 489 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2384 836 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2175 442 196 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 8260 10777 2923 AMAZON-02, US 11492 4545 301 593 CABLEONE, US 7155 3974 281 50 VIASAT-SP-BACKBONE, US 22773 3585 3058 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1320 64 SHAW, CA 16625 3160 1577 2353 AKAMAI-AS, US 749 3070 53111 2322 DNIC-AS-00749, US 396982 2633 3590 364 GOOGLE-CLOUD-PLATFORM, US 7018 2515 24155 1577 ATT-INTERNET4, US 30036 2501 361 458 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 7259 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4077 3399 163 AKAMAI-ASN1, NL 8551 3895 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 909 ROSTELECOM-AS, RU 9009 2668 250 1394 M247, RO 34984 2277 360 614 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1852 950 544 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 11255 3347 593 Uninet S.A. de C.V., MX 10620 3485 505 887 Telmex Colombia S.A., CO 13999 2338 358 619 Mega Cable, S.A. de C.V., MX 11830 2264 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 1098 180 443 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 1582 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 1023 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 24757 489 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 11255 3347 593 Uninet S.A. de C.V., MX 9808 9458 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8260 10777 2923 AMAZON-02, US 12479 7259 1706 140 UNI2-AS, ES 7545 5730 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4545 301 593 CABLEONE, US 20940 4077 3399 163 AKAMAI-ASN1, NL 7155 3974 281 50 VIASAT-SP-BACKBONE, US 8551 3895 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 9458 9421 CHINAMOBILE-CN China Mobile Communications Grou 12479 7259 7119 UNI2-AS, ES 16509 8260 5337 AMAZON-02, US 7545 5730 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4545 3952 CABLEONE, US 7155 3974 3924 VIASAT-SP-BACKBONE, US 20940 4077 3914 AKAMAI-ASN1, NL 8551 3895 3858 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3675 3654 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., 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 23.131.185.0/24 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /14:1195 /15:2081 /16:13409 /17:8152 /18:13701 /19:24784 /20:43047 /21:50839 /22:108903 /23:97134 /24:548023 /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 6315 7259 UNI2-AS, ES 8151 5190 11255 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4545 CABLEONE, US 8551 3367 3895 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3522 SHAW, CA 7155 3042 3974 VIASAT-SP-BACKBONE, US 22773 2653 3585 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2040 3485 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) ---------------------------------------------- 1:1779 2:1287 3:175 4:5 5:4507 6:128 7:6 8:1512 9:1 11:172 12:1535 13:388 14:2316 15:299 16:182 17:368 18:419 20:256 21:4 22:188 23:6224 24:2581 25:6 27:2489 29:19 31:2503 32:78 34:12 35:106 36:1944 37:4656 38:4445 39:820 40:132 41:3960 42:1190 43:2318 44:308 45:16468 46:4257 47:356 49:1733 50:1826 51:573 52:1594 54:390 55:859 56:8 57:113 58:1706 59:1099 60:991 61:2477 62:2652 63:1922 64:5672 65:2327 66:4970 67:3003 68:1368 69:4143 70:1231 71:674 72:2980 74:2604 75:1443 76:610 77:2435 78:1800 79:3176 80:2116 81:1755 82:1491 83:1277 84:1514 85:2981 86:762 87:2000 88:1167 89:3643 90:613 91:7715 92:2067 93:2626 94:3596 95:3984 96:1324 97:337 98:1153 99:746 100:73 101:1304 102:2694 103:31190 104:4608 105:488 106:935 107:2521 108:1027 109:4418 110:2081 111:3087 112:2029 113:1546 114:1639 115:2009 116:1902 117:2559 118:2364 119:2007 120:1763 121:1044 122:2576 123:2164 124:1572 125:2458 128:1318 129:1050 130:1012 131:1980 132:846 133:422 134:1898 135:304 136:878 137:947 138:2569 139:1554 140:1239 141:1459 142:1431 143:1487 144:1155 145:347 146:1930 147:1577 148:2316 149:2140 150:838 151:1157 152:1928 153:488 154:4402 155:1442 156:1772 157:1309 158:1057 159:2301 160:2544 161:1528 162:3509 163:1509 164:1608 165:1724 166:1025 167:1740 168:3837 169:938 170:4585 171:882 172:3549 173:2925 174:1069 175:1168 176:3677 177:4591 178:3581 179:2160 180:2605 181:3432 182:3339 183:1968 184:2369 185:20182 186:4777 187:3953 188:4096 189:3546 190:9128 191:1432 192:10922 193:8867 194:7322 195:5139 196:3170 197:2360 198:5865 199:6076 200:7925 201:5864 202:10321 203:10206 204:4582 205:3643 206:4255 207:3384 208:4056 209:4831 210:4170 211:2405 212:4128 213:3561 214:1088 215:59 216:6635 217:2679 218:1272 219:406 220:1767 221:972 222:711 223:2150 End of report