IPv4 R&E Routing Table Report 23:05 GMT Wed 07 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: 917254 Prefixes after maximum aggregation (per Origin AS): 348828 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450109 Number of IPv4 prefixes with a valid ROA: 406076 Number of IPv4 prefixes with an invalid ROA: 1751 Number of IPv4 prefixes with no ROA: 509427 Total ASes present in the Internet Routing Table: 74310 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63822 Origin ASes announcing only one prefix: 26262 Transit ASes present in the Internet Routing Table: 10488 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 42 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: 1054 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 42031 Number of 32-bit ASNs visible in the Routing Table: 34609 Prefixes from 32-bit ASNs in the Routing Table: 171239 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 568 Number of addresses announced to Internet: 3054715136 Equivalent to 182 /8s, 19 /16s and 65 /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: 307367 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239618 Total APNIC prefixes after maximum aggregation: 68746 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233633 Unique aggregates announced from the APNIC address blocks: 98400 APNIC Region origin ASes present in the Internet Routing Table: 13364 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 3944 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8741 Number of APNIC addresses announced to Internet: 772922624 Equivalent to 46 /8s, 17 /16s and 221 /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: 268998 Total ARIN prefixes after maximum aggregation: 122676 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271806 Unique aggregates announced from the ARIN address blocks: 130578 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 7000 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: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4798 Number of ARIN addresses announced to Internet: 1279874816 Equivalent to 76 /8s, 73 /16s and 87 /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: 259631 Total RIPE prefixes after maximum aggregation: 122491 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255612 Unique aggregates announced from the RIPE address blocks: 158818 RIPE Region origin ASes present in the Internet Routing Table: 28301 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 3974 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: 11185 Number of RIPE addresses announced to Internet: 717566464 Equivalent to 42 /8s, 197 /16s and 50 /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: 118306 Total LACNIC prefixes after maximum aggregation: 28308 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117477 Unique aggregates announced from the LACNIC address blocks: 49454 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2658 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: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8789 Number of LACNIC addresses announced to Internet: 176924928 Equivalent to 10 /8s, 139 /16s and 169 /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: 29647 Total AfriNIC prefixes after maximum aggregation: 5845 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38158 Unique aggregates announced from the AfriNIC address blocks: 12395 AfriNIC Region origin ASes present in the Internet Routing Table: 1747 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1096 Number of AfriNIC addresses announced to Internet: 107033344 Equivalent to 6 /8s, 97 /16s and 51 /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 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3683 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3567 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3021 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2415 837 438 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 198 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 8462 10830 3108 AMAZON-02, US 11492 4524 300 606 CABLEONE, US 7155 4094 284 70 VIASAT-SP-BACKBONE, US 22773 3560 3052 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3126 54969 2378 DNIC-AS-00749, US 16625 3070 1541 2319 AKAMAI-AS, US 396982 2660 3593 375 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2456 24003 1544 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 7299 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4086 3398 160 AKAMAI-ASN1, NL 8551 3451 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2666 247 1385 M247, RO 34984 2275 360 605 TELLCOM-AS, TR 6849 1969 307 17 UKRTELNET, UA 58224 1827 945 534 TCI, IR 61317 1673 112 1298 ASDETUK www.heficed.com, US 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 11406 3362 605 Uninet S.A. de C.V., MX 10620 3525 507 851 Telmex Colombia S.A., CO 13999 2352 354 625 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1025 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 1584 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1319 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 480 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 11406 3362 605 Uninet S.A. de C.V., MX 9808 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8462 10830 3108 AMAZON-02, US 12479 7299 1706 140 UNI2-AS, ES 7545 5722 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 606 CABLEONE, US 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4094 284 70 VIASAT-SP-BACKBONE, US 20940 4086 3398 160 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 9481 9444 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7159 UNI2-AS, ES 16509 8462 5354 AMAZON-02, US 7545 5722 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4181 4156 FPT-AS-AP FPT Telecom Company, VN 7155 4094 4024 VIASAT-SP-BACKBONE, US 20940 4086 3926 AKAMAI-ASN1, NL 11492 4524 3918 CABLEONE, US 7552 3683 3662 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 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., 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 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /12:301 /13:579 /14:1197 /15:2092 /16:13420 /17:8153 /18:13716 /19:24822 /20:42864 /21:50957 /22:109182 /23:97801 /24:551990 /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 6387 7299 UNI2-AS, ES 8151 5343 11406 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3079 4094 VIASAT-SP-BACKBONE, US 8551 2925 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2631 3560 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2081 3525 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) ---------------------------------------------- 1:2142 2:1260 3:198 4:5 5:4511 6:132 7:6 8:1507 9:1 11:172 12:1531 13:384 14:2300 15:304 16:191 17:368 18:451 20:264 21:4 22:188 23:6280 24:2592 25:6 27:2486 29:19 31:2495 32:78 34:21 35:109 36:1974 37:4667 38:4768 39:846 40:151 41:3944 42:1979 43:2339 44:306 45:16440 46:4317 47:376 49:1747 50:1860 51:585 52:1584 54:393 55:868 56:8 57:117 58:1785 59:1052 60:985 61:2538 62:2674 63:1892 64:5656 65:2308 66:4988 67:3029 68:1343 69:4131 70:1202 71:672 72:2989 74:2607 75:1558 76:607 77:2435 78:1810 79:2971 80:2128 81:1785 82:1489 83:1259 84:1516 85:3002 86:757 87:2018 88:1169 89:3726 90:617 91:7758 92:2062 93:2609 94:3614 95:4049 96:1317 97:336 98:1128 99:743 100:86 101:1307 102:2766 103:31399 104:4589 105:504 106:951 107:2583 108:1034 109:4179 110:2089 111:3122 112:1980 113:1729 114:1663 115:2000 116:1882 117:2544 118:2614 119:1993 120:1792 121:1064 122:2574 123:2110 124:1574 125:2464 128:1385 129:1046 130:999 131:1975 132:851 133:420 134:1821 135:307 136:879 137:950 138:2571 139:1542 140:1259 141:1434 142:1447 143:1526 144:1128 145:346 146:1939 147:1595 148:2405 149:2238 150:883 151:1153 152:1929 153:489 154:4503 155:1426 156:1813 157:1225 158:1076 159:2222 160:2548 161:1546 162:3508 163:1481 164:1614 165:1830 166:1097 167:1738 168:3794 169:947 170:4601 171:898 172:3580 173:2961 174:1068 175:1171 176:3686 177:4618 178:3569 179:2162 180:2546 181:3480 182:3394 183:2082 184:2347 185:20308 186:4818 187:3979 188:4101 189:3667 190:9230 191:1467 192:10902 193:8892 194:7305 195:5149 196:3203 197:2377 198:5886 199:6097 200:7917 201:5912 202:10320 203:10272 204:4563 205:3690 206:4205 207:3388 208:4090 209:4881 210:4153 211:2439 212:4219 213:3618 214:1084 215:59 216:6648 217:2725 218:1242 219:411 220:1756 221:955 222:683 223:2151 End of report