IPv4 R&E Routing Table Report 23:05 GMT Sun 12 Feb, 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: 904584 Prefixes after maximum aggregation (per Origin AS): 344819 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 446262 Number of IPv4 prefixes with a valid ROA: 373149 Number of IPv4 prefixes with an invalid ROA: 1509 Number of IPv4 prefixes with no ROA: 529926 Total ASes present in the Internet Routing Table: 73932 Prefixes per ASN: 12.24 Origin-only ASes present in the Internet Routing Table: 63486 Origin ASes announcing only one prefix: 26094 Transit ASes present in the Internet Routing Table: 10446 Transit-only ASes present in the Internet Routing Table: 431 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 105 Max AS path prepend of ASN (265035) 101 Prefixes from unregistered ASNs in the Routing Table: 1030 Number of instances of unregistered ASNs: 1040 Number of 32-bit ASNs allocated by the RIRs: 41186 Number of 32-bit ASNs visible in the Routing Table: 34093 Prefixes from 32-bit ASNs in the Routing Table: 166429 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: 551 Number of addresses announced to Internet: 3061442560 Equivalent to 182 /8s, 121 /16s and 232 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 304284 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234296 Total APNIC prefixes after maximum aggregation: 68228 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 229247 Unique aggregates announced from the APNIC address blocks: 97879 APNIC Region origin ASes present in the Internet Routing Table: 13203 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3811 APNIC Region transit ASes present in the Internet Routing Table: 1769 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: 8538 Number of APNIC addresses announced to Internet: 773112064 Equivalent to 46 /8s, 20 /16s and 193 /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: 266375 Total ARIN prefixes after maximum aggregation: 121027 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268430 Unique aggregates announced from the ARIN address blocks: 130347 ARIN Region origin ASes present in the Internet Routing Table: 19016 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 6988 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4728 Number of ARIN addresses announced to Internet: 1285382656 Equivalent to 76 /8s, 157 /16s and 98 /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: 256534 Total RIPE prefixes after maximum aggregation: 120793 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252932 Unique aggregates announced from the RIPE address blocks: 156553 RIPE Region origin ASes present in the Internet Routing Table: 28205 RIPE Prefixes per ASN: 8.97 RIPE Region origin ASes announcing only one prefix: 12024 RIPE Region transit ASes present in the Internet Routing Table: 3985 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10999 Number of RIPE addresses announced to Internet: 718337536 Equivalent to 42 /8s, 208 /16s and 246 /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: 117013 Total LACNIC prefixes after maximum aggregation: 28279 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116231 Unique aggregates announced from the LACNIC address blocks: 49007 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2276 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8766 Number of LACNIC addresses announced to Internet: 176253440 Equivalent to 10 /8s, 129 /16s and 106 /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: 29336 Total AfriNIC prefixes after maximum aggregation: 5736 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 37193 Unique aggregates announced from the AfriNIC address blocks: 12044 AfriNIC Region origin ASes present in the Internet Routing Table: 1714 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 600 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1062 Number of AfriNIC addresses announced to Internet: 108023808 Equivalent to 6 /8s, 112 /16s and 80 /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 9442 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5843 786 704 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3638 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3530 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2756 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 842 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 KIXS-AS-KR Korea Telecom, KR 4755 2161 440 212 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 7955 10736 2840 AMAZON-02, US 11492 4535 300 599 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3651 3064 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3317 1677 2430 AKAMAI-AS, US 749 3039 50571 2306 DNIC-AS-00749, US 396982 2601 3583 349 GOOGLE-CLOUD-PLATFORM, US 7018 2594 24127 1576 ATT-INTERNET4, US 30036 2556 366 377 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 6992 1706 146 UNI2-AS, ES 39891 4388 259 60 ALJAWWALSTC-AS, SA 20940 4020 3399 167 AKAMAI-ASN1, NL 8551 3893 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 910 ROSTELECOM-AS, RU 9009 2678 255 1378 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2244 339 19 UKRTELNET, UA 58224 1845 949 545 TCI, IR 13188 1607 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 11117 3348 584 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2247 375 606 Mega Cable, S.A. de C.V., MX 28573 1351 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1018 2466 43 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 24835 1540 533 30 RAYA-AS, EG 24863 1502 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 886 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 494 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 11117 3348 584 Uninet S.A. de C.V., MX 9808 9442 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7955 10736 2840 AMAZON-02, US 12479 6992 1706 146 UNI2-AS, ES 7545 5843 786 704 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4535 300 599 CABLEONE, US 39891 4388 259 60 ALJAWWALSTC-AS, SA 20940 4020 3399 167 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3893 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 9442 9394 CHINAMOBILE-CN China Mobile Communications Grou 12479 6992 6846 UNI2-AS, ES 7545 5843 5139 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7955 5115 AMAZON-02, US 39891 4388 4328 ALJAWWALSTC-AS, SA 11492 4535 3936 CABLEONE, US 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3893 3856 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4020 3853 AKAMAI-ASN1, NL 7552 3638 3617 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., 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 1618 UNALLOCATED 8.21.143.0/24 136796 CL-JP-AS CORELINK JAPAN, JP 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 23.131.185.0/24 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:38 /11:103 /12:299 /13:578 /14:1201 /15:2076 /16:13464 /17:8225 /18:13754 /19:24820 /20:42914 /21:50906 /22:108814 /23:96717 /24:540637 /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 6057 6992 UNI2-AS, ES 8151 5122 11117 Uninet S.A. de C.V., MX 11492 3450 4535 CABLEONE, US 39891 3391 4388 ALJAWWALSTC-AS, SA 8551 3365 3893 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2705 3651 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2213 2556 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2090 2244 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1230 3:168 4:5 5:4324 6:113 7:5 8:1516 9:1 11:172 12:1587 13:393 14:2339 15:290 16:79 17:365 18:400 20:245 21:4 22:188 23:6048 24:2493 25:4 27:2590 29:19 31:2511 32:104 34:8 35:104 36:1909 37:4584 38:4142 39:838 40:154 41:4036 42:1054 43:2311 44:300 45:16345 46:4142 47:373 49:1736 50:1831 51:383 52:1562 54:397 55:866 56:8 57:80 58:1673 59:1111 60:988 61:2457 62:2629 63:1932 64:5666 65:2320 66:4924 67:3045 68:1348 69:4140 70:1251 71:661 72:2986 74:2592 75:1457 76:600 77:2380 78:1837 79:3180 80:2084 81:1720 82:1489 83:1236 84:1506 85:2984 86:756 87:1957 88:1225 89:3602 90:593 91:7650 92:2011 93:2430 94:3539 95:3933 96:1333 97:347 98:1161 99:744 100:75 101:1300 102:2586 103:30903 104:4497 105:485 106:844 107:2521 108:907 109:4388 110:2078 111:3294 112:2040 113:1484 114:1608 115:2015 116:1874 117:2555 118:2294 119:1912 120:1737 121:1050 122:2584 123:2138 124:1561 125:2313 128:1262 129:1055 130:978 131:1979 132:824 133:406 134:1905 135:315 136:862 137:927 138:2546 139:1543 140:1178 141:1475 142:1415 143:1471 144:1204 145:349 146:1862 147:1550 148:2263 149:1883 150:871 151:1141 152:1950 153:481 154:3907 155:1414 156:1667 157:1297 158:1006 159:2259 160:2539 161:1409 162:3515 163:1517 164:1568 165:1678 166:835 167:1738 168:3826 169:920 170:4568 171:882 172:3513 173:2970 174:1026 175:1159 176:3693 177:4538 178:3576 179:2145 180:2405 181:3386 182:3244 183:1933 184:2337 185:20014 186:4663 187:3928 188:4102 189:3472 190:9080 191:1450 192:10935 193:8810 194:7237 195:5108 196:3134 197:2411 198:5897 199:6078 200:7668 201:5885 202:10246 203:9994 204:4597 205:3502 206:3794 207:3376 208:4066 209:4820 210:4171 211:2384 212:4074 213:3544 214:1095 215:55 216:6606 217:2645 218:1256 219:400 220:1766 221:969 222:665 223:2072 End of report