IPv4 R&E Routing Table Report 23:05 GMT Mon 13 Mar, 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: 907502 Prefixes after maximum aggregation (per Origin AS): 345769 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 446404 Number of IPv4 prefixes with a valid ROA: 377955 Number of IPv4 prefixes with an invalid ROA: 1666 Number of IPv4 prefixes with no ROA: 527881 Total ASes present in the Internet Routing Table: 74046 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63595 Origin ASes announcing only one prefix: 26115 Transit ASes present in the Internet Routing Table: 10451 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1112 Number of instances of unregistered ASNs: 1128 Number of 32-bit ASNs allocated by the RIRs: 41429 Number of 32-bit ASNs visible in the Routing Table: 34261 Prefixes from 32-bit ASNs in the Routing Table: 167642 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3062501376 Equivalent to 182 /8s, 138 /16s and 16 /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: 305503 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235032 Total APNIC prefixes after maximum aggregation: 68234 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 229692 Unique aggregates announced from the APNIC address blocks: 97696 APNIC Region origin ASes present in the Internet Routing Table: 13250 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 3854 APNIC Region transit ASes present in the Internet Routing Table: 1781 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8595 Number of APNIC addresses announced to Internet: 773100800 Equivalent to 46 /8s, 20 /16s and 149 /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: 266759 Total ARIN prefixes after maximum aggregation: 121413 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268837 Unique aggregates announced from the ARIN address blocks: 130268 ARIN Region origin ASes present in the Internet Routing Table: 19013 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1886 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4740 Number of ARIN addresses announced to Internet: 1286034688 Equivalent to 76 /8s, 167 /16s and 85 /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: 257742 Total RIPE prefixes after maximum aggregation: 121341 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254157 Unique aggregates announced from the RIPE address blocks: 157046 RIPE Region origin ASes present in the Internet Routing Table: 28242 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12015 RIPE Region transit ASes present in the Internet Routing Table: 3979 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11074 Number of RIPE addresses announced to Internet: 718365184 Equivalent to 42 /8s, 209 /16s and 98 /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: 117480 Total LACNIC prefixes after maximum aggregation: 28194 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116863 Unique aggregates announced from the LACNIC address blocks: 48906 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2269 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: 8782 Number of LACNIC addresses announced to Internet: 176482816 Equivalent to 10 /8s, 132 /16s and 234 /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: 29377 Total AfriNIC prefixes after maximum aggregation: 5793 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37428 Unique aggregates announced from the AfriNIC address blocks: 12069 AfriNIC Region origin ASes present in the Internet Routing Table: 1724 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 594 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: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1070 Number of AfriNIC addresses announced to Internet: 108125184 Equivalent to 6 /8s, 113 /16s and 220 /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 9451 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5764 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3546 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3366 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2821 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2171 440 216 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 8080 10758 2893 AMAZON-02, US 11492 4528 300 621 CABLEONE, US 7155 3966 279 45 VIASAT-SP-BACKBONE, US 22773 3643 3064 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3156 1586 2333 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2623 3587 357 GOOGLE-CLOUD-PLATFORM, US 7018 2558 24110 1565 ATT-INTERNET4, US 30036 2502 361 511 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 7071 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4034 3399 163 AKAMAI-ASN1, NL 8551 3890 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2639 251 1382 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1847 949 547 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 11104 3334 594 Uninet S.A. de C.V., MX 10620 3467 504 877 Telmex Colombia S.A., CO 13999 2280 372 608 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1365 2325 254 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 763 161 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1091 180 456 Techtel LMDS Comunicaciones Interactiva 26615 1030 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 1551 393 19 LINKdotNET-AS, EG 24835 1515 509 28 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 53 ORANGE-COTE-IVOIRE, CI 36935 722 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 529 54 47 WANANCHI-, KE 24757 496 73 5 EthioNet-AS, ET 37342 493 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 11104 3334 594 Uninet S.A. de C.V., MX 9808 9451 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8080 10758 2893 AMAZON-02, US 12479 7071 1705 149 UNI2-AS, ES 7545 5764 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4528 300 621 CABLEONE, US 20940 4034 3399 163 AKAMAI-ASN1, NL 7155 3966 279 45 VIASAT-SP-BACKBONE, US 8551 3890 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 9451 9403 CHINAMOBILE-CN China Mobile Communications Grou 12479 7071 6922 UNI2-AS, ES 16509 8080 5187 AMAZON-02, US 7545 5764 5072 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3966 3921 VIASAT-SP-BACKBONE, US 11492 4528 3907 CABLEONE, US 20940 4034 3871 AKAMAI-ASN1, NL 8551 3890 3853 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3681 3660 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 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 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 /13:576 /14:1198 /15:2074 /16:13434 /17:8187 /18:13687 /19:24813 /20:42939 /21:50953 /22:108778 /23:96832 /24:543553 /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 6129 7071 UNI2-AS, ES 8151 5106 11104 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3436 4528 CABLEONE, US 8551 3362 3890 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3041 3966 VIASAT-SP-BACKBONE, US 22773 2695 3643 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2502 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2021 3467 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) ---------------------------------------------- 1:1667 2:1224 3:168 4:5 5:4416 6:118 7:6 8:1516 9:1 11:172 12:1576 13:394 14:2314 15:293 16:109 17:368 18:400 20:249 21:4 22:188 23:6114 24:2485 25:4 27:2503 29:19 31:2506 32:106 34:8 35:104 36:1925 37:4622 38:4325 39:806 40:151 41:4019 42:934 43:2306 44:310 45:16383 46:4205 47:372 49:1735 50:1823 51:570 52:1588 54:387 55:867 56:8 57:89 58:1671 59:1077 60:973 61:2458 62:2624 63:1935 64:5646 65:2312 66:4909 67:2998 68:1353 69:4121 70:1263 71:665 72:2972 74:2591 75:1458 76:603 77:2418 78:1837 79:3166 80:2068 81:1743 82:1510 83:1231 84:1508 85:2993 86:756 87:1956 88:1236 89:3593 90:612 91:7650 92:2014 93:2570 94:3539 95:3943 96:1326 97:331 98:1164 99:748 100:77 101:1300 102:2678 103:31017 104:4594 105:477 106:900 107:2557 108:946 109:4381 110:2063 111:3224 112:2044 113:1491 114:1621 115:2011 116:1896 117:2534 118:2277 119:1964 120:1740 121:1047 122:2585 123:2135 124:1575 125:2385 128:1253 129:1059 130:990 131:1986 132:828 133:421 134:1901 135:298 136:866 137:936 138:2541 139:1525 140:1191 141:1466 142:1421 143:1495 144:1201 145:356 146:1900 147:1560 148:2293 149:1935 150:873 151:1143 152:1961 153:488 154:4218 155:1417 156:1680 157:1282 158:1045 159:2268 160:2547 161:1446 162:3539 163:1492 164:1582 165:1698 166:855 167:1737 168:3820 169:930 170:4619 171:884 172:3508 173:2926 174:1014 175:1159 176:3726 177:4669 178:3630 179:2166 180:2403 181:3419 182:3311 183:1929 184:2346 185:20145 186:4753 187:4034 188:4123 189:3585 190:9099 191:1494 192:10945 193:8821 194:7232 195:5121 196:3138 197:2387 198:5900 199:6078 200:7697 201:5847 202:10296 203:10175 204:4597 205:3537 206:3767 207:3398 208:4068 209:4843 210:4176 211:2385 212:4103 213:3536 214:1095 215:57 216:6584 217:2667 218:1266 219:407 220:1758 221:972 222:673 223:2120 End of report