IPv4 R&E Routing Table Report 23:05 GMT Sat 29 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: 913446 Prefixes after maximum aggregation (per Origin AS): 346839 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448804 Number of IPv4 prefixes with a valid ROA: 394976 Number of IPv4 prefixes with an invalid ROA: 1918 Number of IPv4 prefixes with no ROA: 516552 Total ASes present in the Internet Routing Table: 74180 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63679 Origin ASes announcing only one prefix: 26184 Transit ASes present in the Internet Routing Table: 10501 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1089 Number of instances of unregistered ASNs: 1089 Number of 32-bit ASNs allocated by the RIRs: 41758 Number of 32-bit ASNs visible in the Routing Table: 34450 Prefixes from 32-bit ASNs in the Routing Table: 170058 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: 627 Number of addresses announced to Internet: 3058803712 Equivalent to 182 /8s, 81 /16s and 164 /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: 306258 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237803 Total APNIC prefixes after maximum aggregation: 68412 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232165 Unique aggregates announced from the APNIC address blocks: 97753 APNIC Region origin ASes present in the Internet Routing Table: 13294 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3897 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: 8664 Number of APNIC addresses announced to Internet: 772786432 Equivalent to 46 /8s, 15 /16s and 201 /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: 267896 Total ARIN prefixes after maximum aggregation: 121489 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270533 Unique aggregates announced from the ARIN address blocks: 130913 ARIN Region origin ASes present in the Internet Routing Table: 19026 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: 1906 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: 1283228672 Equivalent to 76 /8s, 124 /16s and 132 /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: 259516 Total RIPE prefixes after maximum aggregation: 122123 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255376 Unique aggregates announced from the RIPE address blocks: 158020 RIPE Region origin ASes present in the Internet Routing Table: 28311 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 11153 Number of RIPE addresses announced to Internet: 717942784 Equivalent to 42 /8s, 202 /16s and 240 /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: 117735 Total LACNIC prefixes after maximum aggregation: 28220 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116997 Unique aggregates announced from the LACNIC address blocks: 49362 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2293 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: 8778 Number of LACNIC addresses announced to Internet: 176668672 Equivalent to 10 /8s, 135 /16s and 192 /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: 29407 Total AfriNIC prefixes after maximum aggregation: 5808 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37748 Unique aggregates announced from the AfriNIC address blocks: 12239 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 1083 Number of AfriNIC addresses announced to Internet: 107761920 Equivalent to 6 /8s, 108 /16s and 81 /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 9464 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 2943 489 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2386 837 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2176 442 195 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 8247 10773 2926 AMAZON-02, US 11492 4541 301 608 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3584 3057 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 64 SHAW, CA 16625 3160 1575 2352 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 2503 361 438 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 4075 3399 163 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 909 ROSTELECOM-AS, RU 9009 2673 249 1397 M247, RO 34984 2276 359 613 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1854 950 533 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 11264 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 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 1585 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 550 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 11264 3344 596 Uninet S.A. de C.V., MX 9808 9464 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8247 10773 2926 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 4075 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 9464 9427 CHINAMOBILE-CN China Mobile Communications Grou 12479 7270 7130 UNI2-AS, ES 16509 8247 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 4075 3912 AKAMAI-ASN1, NL 8551 3882 3845 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 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 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 /14:1193 /15:2077 /16:13403 /17:8143 /18:14138 /19:24855 /20:43125 /21:50866 /22:108894 /23:97254 /24:548445 /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 5200 11264 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4541 CABLEONE, US 8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3523 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2653 3584 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2503 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 2:1286 3:175 4:5 5:4516 6:127 7:6 8:1513 9:1 11:172 12:1535 13:383 14:2331 15:299 16:182 17:370 18:417 20:256 21:4 22:188 23:6228 24:2579 25:6 27:2487 29:19 31:2503 32:78 34:12 35:106 36:1947 37:4664 38:4461 39:817 40:150 41:3958 42:1218 43:2318 44:308 45:16486 46:4265 47:357 49:1736 50:1822 51:573 52:1593 54:390 55:859 56:8 57:116 58:1706 59:1101 60:990 61:2475 62:2653 63:1927 64:5660 65:2324 66:4969 67:2995 68:1366 69:4133 70:1231 71:671 72:2981 74:2599 75:1447 76:610 77:2430 78:1800 79:3170 80:2121 81:1757 82:1488 83:1274 84:1513 85:2983 86:764 87:2012 88:1160 89:3686 90:613 91:7730 92:2062 93:2622 94:3601 95:3992 96:1323 97:335 98:1153 99:746 100:73 101:1308 102:2675 103:31219 104:4605 105:488 106:938 107:2500 108:1022 109:4410 110:2085 111:3091 112:2029 113:1577 114:1639 115:2005 116:1901 117:2561 118:2378 119:2007 120:1763 121:1045 122:2576 123:2166 124:1572 125:2460 128:1316 129:1041 130:1013 131:1993 132:849 133:422 134:1899 135:303 136:878 137:943 138:2564 139:1553 140:1244 141:1476 142:1432 143:1499 144:1161 145:347 146:1929 147:1574 148:2315 149:2205 150:875 151:1158 152:1920 153:490 154:4417 155:1436 156:1767 157:1308 158:1059 159:2303 160:2542 161:1527 162:3510 163:1510 164:1603 165:1728 166:1024 167:1741 168:3845 169:939 170:4575 171:881 172:3546 173:2928 174:1069 175:1168 176:3677 177:4597 178:3588 179:2154 180:2605 181:3436 182:3341 183:1976 184:2355 185:20179 186:4774 187:3962 188:4084 189:3548 190:9147 191:1430 192:10926 193:8864 194:7318 195:5141 196:3173 197:2363 198:5857 199:6093 200:7936 201:5876 202:10328 203:10223 204:4580 205:3651 206:4270 207:3391 208:4058 209:4830 210:4169 211:2405 212:4136 213:3571 214:1089 215:59 216:6614 217:2683 218:1273 219:406 220:1764 221:968 222:717 223:2150 End of report