IPv4 R&E Routing Table Report 23:05 GMT Tue 31 Jan, 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: 903431 Prefixes after maximum aggregation (per Origin AS): 344349 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445541 Number of IPv4 prefixes with a valid ROA: 370704 Number of IPv4 prefixes with an invalid ROA: 1510 Number of IPv4 prefixes with no ROA: 531217 Total ASes present in the Internet Routing Table: 73912 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63514 Origin ASes announcing only one prefix: 26129 Transit ASes present in the Internet Routing Table: 10398 Transit-only ASes present in the Internet Routing Table: 430 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: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 951 Number of instances of unregistered ASNs: 960 Number of 32-bit ASNs allocated by the RIRs: 41157 Number of 32-bit ASNs visible in the Routing Table: 34047 Prefixes from 32-bit ASNs in the Routing Table: 166089 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3061810176 Equivalent to 182 /8s, 127 /16s and 132 /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: 303625 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233826 Total APNIC prefixes after maximum aggregation: 68060 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228878 Unique aggregates announced from the APNIC address blocks: 97755 APNIC Region origin ASes present in the Internet Routing Table: 13172 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3830 APNIC Region transit ASes present in the Internet Routing Table: 1764 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8500 Number of APNIC addresses announced to Internet: 773215488 Equivalent to 46 /8s, 22 /16s and 85 /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: 266036 Total ARIN prefixes after maximum aggregation: 120980 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267932 Unique aggregates announced from the ARIN address blocks: 129933 ARIN Region origin ASes present in the Internet Routing Table: 19012 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4716 Number of ARIN addresses announced to Internet: 1285553408 Equivalent to 76 /8s, 159 /16s and 253 /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: 255978 Total RIPE prefixes after maximum aggregation: 120541 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252453 Unique aggregates announced from the RIPE address blocks: 156290 RIPE Region origin ASes present in the Internet Routing Table: 28204 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12029 RIPE Region transit ASes present in the Internet Routing Table: 3975 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10987 Number of RIPE addresses announced to Internet: 718490368 Equivalent to 42 /8s, 211 /16s and 75 /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: 117517 Total LACNIC prefixes after maximum aggregation: 28300 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116690 Unique aggregates announced from the LACNIC address blocks: 49116 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2266 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8780 Number of LACNIC addresses announced to Internet: 176170240 Equivalent to 10 /8s, 128 /16s and 37 /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: 29123 Total AfriNIC prefixes after maximum aggregation: 5734 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36954 Unique aggregates announced from the AfriNIC address blocks: 12024 AfriNIC Region origin ASes present in the Internet Routing Table: 1719 AfriNIC Prefixes per ASN: 21.50 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1064 Number of AfriNIC addresses announced to Internet: 108060416 Equivalent to 6 /8s, 112 /16s and 223 /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 9438 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5885 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3638 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3523 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3244 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2719 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2362 848 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 213 TATACOMM-AS TATA Communications formerl 45090 2147 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 7875 10715 2909 AMAZON-02, US 11492 4531 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3669 3064 304 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3501 1320 63 SHAW, CA 16625 3402 1732 2472 AKAMAI-AS, US 749 3021 50575 2288 DNIC-AS-00749, US 7018 2590 24128 1572 ATT-INTERNET4, US 396982 2589 3496 365 GOOGLE-CLOUD-PLATFORM, US 30036 2564 367 362 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 6980 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4034 3399 169 AKAMAI-ASN1, NL 8551 3895 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2706 257 1373 M247, RO 34984 2256 357 611 TELLCOM-AS, TR 6849 2197 339 19 UKRTELNET, UA 58224 1834 944 556 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 11085 3342 582 Uninet S.A. de C.V., MX 10620 3474 507 856 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2230 369 599 Mega Cable, S.A. de C.V., MX 28573 1353 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1105 181 462 Techtel LMDS Comunicaciones Interactiva 26615 1017 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 1525 533 30 RAYA-AS, EG 24863 1501 393 21 LINKdotNET-AS, EG 36992 1347 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1008 67 47 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 491 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 11085 3342 582 Uninet S.A. de C.V., MX 9808 9438 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7875 10715 2909 AMAZON-02, US 12479 6980 1706 146 UNI2-AS, ES 7545 5885 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4531 300 601 CABLEONE, US 20940 4034 3399 169 AKAMAI-ASN1, NL 7155 3895 265 33 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 9438 9391 CHINAMOBILE-CN China Mobile Communications Grou 12479 6980 6834 UNI2-AS, ES 7545 5885 5181 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7875 4966 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4531 3930 CABLEONE, US 20940 4034 3865 AKAMAI-ASN1, NL 7155 3895 3862 VIASAT-SP-BACKBONE, US 8551 3895 3858 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 /11:101 /12:295 /13:578 /14:1198 /15:2076 /16:13469 /17:8235 /18:13793 /19:24807 /20:42832 /21:50836 /22:108754 /23:96756 /24:539625 /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 6042 6980 UNI2-AS, ES 8151 5095 11085 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3446 4531 CABLEONE, US 8551 3367 3895 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3309 3501 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2710 3669 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2221 2564 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2049 2197 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1227 3:168 4:5 5:4110 6:112 7:5 8:1514 9:1 11:172 12:1587 13:377 14:2327 15:290 16:79 17:365 18:393 20:243 21:4 22:188 23:6039 24:2483 25:4 27:2645 29:19 31:2501 32:101 34:9 35:104 36:1907 37:4606 38:4032 39:835 40:154 41:3955 42:1045 43:2304 44:301 45:16391 46:4165 47:374 49:1732 50:1834 51:380 52:1552 54:395 55:857 56:8 57:80 58:1677 59:1109 60:998 61:2424 62:2610 63:1932 64:5674 65:2313 66:4900 67:3043 68:1347 69:4130 70:1251 71:659 72:2966 74:2587 75:1457 76:598 77:2390 78:1826 79:3173 80:2071 81:1705 82:1483 83:1235 84:1487 85:2995 86:749 87:1945 88:1212 89:3543 90:593 91:7631 92:2004 93:2579 94:3502 95:3926 96:1327 97:346 98:1160 99:740 100:75 101:1298 102:2551 103:30808 104:4575 105:483 106:847 107:2516 108:910 109:4348 110:2074 111:3292 112:2039 113:1475 114:1607 115:2013 116:1871 117:2556 118:2291 119:1877 120:1739 121:1050 122:2585 123:2137 124:1560 125:2285 128:1249 129:1048 130:969 131:1981 132:829 133:406 134:1905 135:297 136:866 137:925 138:2575 139:1544 140:1167 141:1470 142:1413 143:1488 144:1197 145:351 146:1852 147:1548 148:2268 149:1881 150:862 151:1138 152:1947 153:479 154:3913 155:1401 156:1653 157:1293 158:1015 159:2262 160:2546 161:1461 162:3503 163:1475 164:1604 165:1669 166:833 167:1746 168:3842 169:916 170:4582 171:881 172:3511 173:2953 174:1023 175:1157 176:3680 177:4596 178:3549 179:2146 180:2404 181:3365 182:3245 183:1937 184:2335 185:19971 186:4679 187:3928 188:4058 189:3492 190:9087 191:1429 192:10938 193:8822 194:7223 195:5094 196:3097 197:2383 198:5898 199:6079 200:7668 201:5861 202:10210 203:10004 204:4588 205:3502 206:3806 207:3357 208:4071 209:4790 210:4160 211:2388 212:4068 213:3535 214:1097 215:56 216:6611 217:2642 218:1256 219:400 220:1776 221:968 222:665 223:2052 End of report