IPv4 R&E Routing Table Report 23:05 GMT Fri 28 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: 913431 Prefixes after maximum aggregation (per Origin AS): 346936 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448801 Number of IPv4 prefixes with a valid ROA: 394992 Number of IPv4 prefixes with an invalid ROA: 1930 Number of IPv4 prefixes with no ROA: 516509 Total ASes present in the Internet Routing Table: 74187 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63691 Origin ASes announcing only one prefix: 26188 Transit ASes present in the Internet Routing Table: 10496 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1094 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 41755 Number of 32-bit ASNs visible in the Routing Table: 34448 Prefixes from 32-bit ASNs in the Routing Table: 170032 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: 628 Number of addresses announced to Internet: 3058833920 Equivalent to 182 /8s, 82 /16s and 26 /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: 306233 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237823 Total APNIC prefixes after maximum aggregation: 68436 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232165 Unique aggregates announced from the APNIC address blocks: 97752 APNIC Region origin ASes present in the Internet Routing Table: 13292 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3898 APNIC Region transit ASes present in the Internet Routing Table: 1780 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: 772789504 Equivalent to 46 /8s, 15 /16s and 213 /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: 267980 Total ARIN prefixes after maximum aggregation: 121541 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270608 Unique aggregates announced from the ARIN address blocks: 130929 ARIN Region origin ASes present in the Internet Routing Table: 19035 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6968 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: 4772 Number of ARIN addresses announced to Internet: 1283235072 Equivalent to 76 /8s, 124 /16s and 157 /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: 259459 Total RIPE prefixes after maximum aggregation: 122123 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255333 Unique aggregates announced from the RIPE address blocks: 157994 RIPE Region origin ASes present in the Internet Routing Table: 28305 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3989 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: 11151 Number of RIPE addresses announced to Internet: 717957632 Equivalent to 42 /8s, 203 /16s and 42 /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: 117744 Total LACNIC prefixes after maximum aggregation: 28233 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117004 Unique aggregates announced from the LACNIC address blocks: 49350 LACNIC Region origin ASes present in the Internet Routing Table: 10987 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2297 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: 8781 Number of LACNIC addresses announced to Internet: 176666880 Equivalent to 10 /8s, 135 /16s and 185 /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: 29331 Total AfriNIC prefixes after maximum aggregation: 5812 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37693 Unique aggregates announced from the AfriNIC address blocks: 12258 AfriNIC Region origin ASes present in the Internet Routing Table: 1734 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1082 Number of AfriNIC addresses announced to Internet: 107769344 Equivalent to 6 /8s, 108 /16s and 110 /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 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5729 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3561 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2942 489 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2386 837 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2177 442 196 TATACOMM-AS TATA Communications formerl 18403 2166 347 25 FPT-AS-AP FPT Telecom Company, VN 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 8246 10774 2925 AMAZON-02, US 11492 4541 301 608 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3583 3057 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 64 SHAW, CA 16625 3158 1573 2350 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2635 3590 366 GOOGLE-CLOUD-PLATFORM, US 7018 2514 24151 1576 ATT-INTERNET4, US 30036 2501 361 449 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 7270 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4073 3399 163 AKAMAI-ASN1, NL 8551 3889 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 909 ROSTELECOM-AS, RU 9009 2672 249 1398 M247, RO 34984 2276 359 613 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 11263 3344 596 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2335 358 617 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 1300 339 515 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 1584 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 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 489 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 11263 3344 596 Uninet S.A. de C.V., MX 9808 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8246 10774 2925 AMAZON-02, US 12479 7270 1706 140 UNI2-AS, ES 7545 5729 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4541 301 608 CABLEONE, US 20940 4073 3399 163 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 281 51 VIASAT-SP-BACKBONE, US 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 9463 9426 CHINAMOBILE-CN China Mobile Communications Grou 12479 7270 7130 UNI2-AS, ES 16509 8246 5321 AMAZON-02, US 7545 5729 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 11492 4541 3933 CABLEONE, US 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4073 3910 AKAMAI-ASN1, NL 8551 3889 3852 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 23.152.8.0/24 Origin: 400289 AS-MFWIRELESS, US 23.152.8.0/24 Transit: 53610 METRO-COMMUNICATIONS-COMPANY-INC, 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 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 /13:574 /14:1191 /15:2077 /16:13402 /17:8137 /18:14145 /19:24863 /20:43133 /21:50872 /22:108930 /23:97200 /24:548429 /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 6330 7270 UNI2-AS, ES 8151 5199 11263 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4541 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3523 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2652 3583 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 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) ---------------------------------------------- 1:1789 2:1287 3:175 4:5 5:4517 6:127 7:6 8:1512 9:1 11:172 12:1535 13:386 14:2332 15:299 16:182 17:370 18:417 20:256 21:4 22:188 23:6228 24:2579 25:6 27:2490 29:19 31:2494 32:78 34:12 35:106 36:1947 37:4666 38:4464 39:822 40:151 41:3952 42:1218 43:2315 44:307 45:16487 46:4266 47:357 49:1736 50:1821 51:573 52:1593 54:390 55:859 56:8 57:114 58:1706 59:1100 60:990 61:2473 62:2654 63:1924 64:5670 65:2324 66:4976 67:3004 68:1366 69:4134 70:1229 71:671 72:2980 74:2602 75:1447 76:610 77:2432 78:1801 79:3172 80:2114 81:1756 82:1487 83:1275 84:1512 85:2983 86:764 87:2007 88:1159 89:3667 90:613 91:7725 92:2065 93:2620 94:3604 95:3994 96:1323 97:335 98:1153 99:746 100:73 101:1308 102:2656 103:31204 104:4608 105:488 106:938 107:2496 108:1023 109:4411 110:2085 111:3090 112:2029 113:1578 114:1640 115:2006 116:1902 117:2561 118:2377 119:2006 120:1763 121:1045 122:2577 123:2166 124:1572 125:2460 128:1314 129:1047 130:1011 131:1989 132:849 133:422 134:1899 135:303 136:877 137:944 138:2562 139:1552 140:1246 141:1469 142:1433 143:1500 144:1161 145:347 146:1929 147:1570 148:2316 149:2196 150:875 151:1161 152:1927 153:490 154:4418 155:1437 156:1775 157:1305 158:1061 159:2305 160:2541 161:1529 162:3510 163:1509 164:1603 165:1728 166:1022 167:1740 168:3849 169:939 170:4586 171:881 172:3546 173:2927 174:1069 175:1172 176:3677 177:4605 178:3587 179:2152 180:2606 181:3438 182:3341 183:1976 184:2367 185:20182 186:4778 187:3958 188:4086 189:3547 190:9154 191:1435 192:10923 193:8863 194:7324 195:5140 196:3149 197:2359 198:5862 199:6094 200:7926 201:5874 202:10329 203:10219 204:4570 205:3652 206:4281 207:3388 208:4056 209:4827 210:4167 211:2404 212:4136 213:3571 214:1089 215:59 216:6631 217:2683 218:1268 219:406 220:1765 221:970 222:717 223:2150 End of report