IPv4 R&E Routing Table Report 23:05 GMT Fri 10 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: 907026 Prefixes after maximum aggregation (per Origin AS): 345533 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 446091 Number of IPv4 prefixes with a valid ROA: 377539 Number of IPv4 prefixes with an invalid ROA: 1663 Number of IPv4 prefixes with no ROA: 527824 Total ASes present in the Internet Routing Table: 74024 Prefixes per ASN: 12.25 Origin-only ASes present in the Internet Routing Table: 63565 Origin ASes announcing only one prefix: 26099 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1105 Number of instances of unregistered ASNs: 1121 Number of 32-bit ASNs allocated by the RIRs: 41406 Number of 32-bit ASNs visible in the Routing Table: 34245 Prefixes from 32-bit ASNs in the Routing Table: 167425 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 536 Number of addresses announced to Internet: 3062090240 Equivalent to 182 /8s, 131 /16s and 202 /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: 305131 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235021 Total APNIC prefixes after maximum aggregation: 68209 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 229699 Unique aggregates announced from the APNIC address blocks: 97741 APNIC Region origin ASes present in the Internet Routing Table: 13251 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 3854 APNIC Region transit ASes present in the Internet Routing Table: 1784 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: 8594 Number of APNIC addresses announced to Internet: 773092864 Equivalent to 46 /8s, 20 /16s and 118 /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: 266651 Total ARIN prefixes after maximum aggregation: 121257 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268765 Unique aggregates announced from the ARIN address blocks: 130256 ARIN Region origin ASes present in the Internet Routing Table: 19006 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1890 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: 4738 Number of ARIN addresses announced to Internet: 1286058752 Equivalent to 76 /8s, 167 /16s and 179 /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: 257399 Total RIPE prefixes after maximum aggregation: 121309 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253768 Unique aggregates announced from the RIPE address blocks: 156731 RIPE Region origin ASes present in the Internet Routing Table: 28228 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12004 RIPE Region transit ASes present in the Internet Routing Table: 3970 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: 11062 Number of RIPE addresses announced to Internet: 718214656 Equivalent to 42 /8s, 207 /16s and 22 /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: 117278 Total LACNIC prefixes after maximum aggregation: 28183 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116661 Unique aggregates announced from the LACNIC address blocks: 48886 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2270 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: 8783 Number of LACNIC addresses announced to Internet: 176439040 Equivalent to 10 /8s, 132 /16s and 63 /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: 29572 Total AfriNIC prefixes after maximum aggregation: 5778 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 37597 Unique aggregates announced from the AfriNIC address blocks: 12054 AfriNIC Region origin ASes present in the Internet Routing Table: 1721 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 594 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1068 Number of AfriNIC addresses announced to Internet: 107885568 Equivalent to 6 /8s, 110 /16s and 52 /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 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5767 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3676 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 2359 834 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2304 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2173 440 217 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 8065 10757 2884 AMAZON-02, US 11492 4528 300 621 CABLEONE, US 7155 3959 270 44 VIASAT-SP-BACKBONE, US 22773 3645 3064 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3139 1576 2328 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2622 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2565 24120 1571 ATT-INTERNET4, US 30036 2520 362 448 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 7066 1705 149 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4029 3399 163 AKAMAI-ASN1, NL 8551 3896 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2640 251 1381 M247, RO 34984 2266 359 609 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1846 949 546 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 11145 3330 598 Uninet S.A. de C.V., MX 10620 3465 504 878 Telmex Colombia S.A., CO 13999 2282 372 608 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1367 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 1128 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 460 Techtel LMDS Comunicaciones Interactiva 26615 1029 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 1556 393 19 LINKdotNET-AS, EG 24835 1542 533 30 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 868 520 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 11145 3330 598 Uninet S.A. de C.V., MX 9808 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8065 10757 2884 AMAZON-02, US 12479 7066 1705 149 UNI2-AS, ES 7545 5767 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4528 300 621 CABLEONE, US 20940 4029 3399 163 AKAMAI-ASN1, NL 7155 3959 270 44 VIASAT-SP-BACKBONE, US 8551 3896 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 9453 9405 CHINAMOBILE-CN China Mobile Communications Grou 12479 7066 6917 UNI2-AS, ES 16509 8065 5181 AMAZON-02, US 7545 5767 5077 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3959 3915 VIASAT-SP-BACKBONE, US 11492 4528 3907 CABLEONE, US 20940 4029 3866 AKAMAI-ASN1, NL 8551 3896 3859 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3676 3655 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 /16:13431 /17:8181 /18:13684 /19:24806 /20:42927 /21:50985 /22:108819 /23:96942 /24:542925 /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 6124 7066 UNI2-AS, ES 8151 5125 11145 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3436 4528 CABLEONE, US 8551 3368 3896 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3036 3959 VIASAT-SP-BACKBONE, US 22773 2697 3645 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2177 2520 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2019 3465 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) ---------------------------------------------- 1:1668 2:1226 3:168 4:5 5:4347 6:118 7:6 8:1517 9:1 11:172 12:1579 13:392 14:2321 15:293 16:111 17:367 18:398 20:249 21:4 22:188 23:6111 24:2484 25:4 27:2503 29:19 31:2508 32:107 34:8 35:104 36:1926 37:4617 38:4338 39:815 40:151 41:4035 42:943 43:2305 44:308 45:16386 46:4167 47:374 49:1734 50:1816 51:378 52:1588 54:389 55:869 56:8 57:90 58:1671 59:1070 60:974 61:2457 62:2632 63:1936 64:5646 65:2319 66:4910 67:2998 68:1353 69:4122 70:1265 71:665 72:2971 74:2585 75:1459 76:602 77:2413 78:1838 79:3167 80:2066 81:1732 82:1507 83:1231 84:1510 85:3006 86:756 87:1954 88:1236 89:3587 90:611 91:7647 92:2012 93:2561 94:3539 95:3952 96:1325 97:331 98:1161 99:748 100:77 101:1293 102:2676 103:30991 104:4582 105:483 106:900 107:2545 108:932 109:4387 110:2063 111:3240 112:2041 113:1491 114:1620 115:2013 116:1903 117:2566 118:2279 119:1960 120:1741 121:1047 122:2586 123:2136 124:1574 125:2382 128:1260 129:1058 130:993 131:1997 132:824 133:421 134:1901 135:299 136:866 137:934 138:2532 139:1553 140:1192 141:1471 142:1423 143:1476 144:1204 145:356 146:1894 147:1561 148:2282 149:1923 150:875 151:1141 152:1960 153:488 154:4217 155:1423 156:1670 157:1285 158:1045 159:2266 160:2552 161:1443 162:3526 163:1492 164:1581 165:1700 166:850 167:1735 168:3794 169:928 170:4608 171:884 172:3506 173:2934 174:1014 175:1156 176:3721 177:4586 178:3622 179:2160 180:2397 181:3404 182:3313 183:1937 184:2334 185:20113 186:4704 187:3956 188:4103 189:3583 190:9113 191:1489 192:10937 193:8817 194:7236 195:5120 196:3154 197:2388 198:5900 199:6077 200:7693 201:5858 202:10317 203:10161 204:4593 205:3524 206:3768 207:3392 208:4068 209:4848 210:4176 211:2385 212:4100 213:3541 214:1091 215:58 216:6592 217:2659 218:1266 219:407 220:1759 221:971 222:674 223:2119 End of report