IPv4 R&E Routing Table Report 23:05 GMT Thu 06 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: 910018 Prefixes after maximum aggregation (per Origin AS): 346071 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447676 Number of IPv4 prefixes with a valid ROA: 382728 Number of IPv4 prefixes with an invalid ROA: 1622 Number of IPv4 prefixes with no ROA: 525668 Total ASes present in the Internet Routing Table: 74110 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 63643 Origin ASes announcing only one prefix: 26190 Transit ASes present in the Internet Routing Table: 10467 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 52 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1115 Number of instances of unregistered ASNs: 1115 Number of 32-bit ASNs allocated by the RIRs: 41614 Number of 32-bit ASNs visible in the Routing Table: 34380 Prefixes from 32-bit ASNs in the Routing Table: 168924 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 498 Number of addresses announced to Internet: 3060487936 Equivalent to 182 /8s, 107 /16s and 87 /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: 305779 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236161 Total APNIC prefixes after maximum aggregation: 68374 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230835 Unique aggregates announced from the APNIC address blocks: 97949 APNIC Region origin ASes present in the Internet Routing Table: 13299 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3914 APNIC Region transit ASes present in the Internet Routing Table: 1791 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: 8656 Number of APNIC addresses announced to Internet: 773118976 Equivalent to 46 /8s, 20 /16s and 220 /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: 267393 Total ARIN prefixes after maximum aggregation: 121283 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269752 Unique aggregates announced from the ARIN address blocks: 130446 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.18 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4769 Number of ARIN addresses announced to Internet: 1284800768 Equivalent to 76 /8s, 148 /16s and 129 /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: 258629 Total RIPE prefixes after maximum aggregation: 121705 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 254536 Unique aggregates announced from the RIPE address blocks: 157492 RIPE Region origin ASes present in the Internet Routing Table: 28263 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3985 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: 11107 Number of RIPE addresses announced to Internet: 717824000 Equivalent to 42 /8s, 201 /16s and 32 /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: 117237 Total LACNIC prefixes after maximum aggregation: 28161 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116557 Unique aggregates announced from the LACNIC address blocks: 49112 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2274 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: 8776 Number of LACNIC addresses announced to Internet: 176641280 Equivalent to 10 /8s, 135 /16s and 85 /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: 29483 Total AfriNIC prefixes after maximum aggregation: 5772 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 37840 Unique aggregates announced from the AfriNIC address blocks: 12281 AfriNIC Region origin ASes present in the Internet Routing Table: 1722 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1072 Number of AfriNIC addresses announced to Internet: 107744512 Equivalent to 6 /8s, 108 /16s and 13 /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 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5743 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3688 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2904 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2363 835 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11250 587 KIXS-AS-KR Korea Telecom, KR 4755 2172 439 213 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 8248 10780 2872 AMAZON-02, US 11492 4541 301 610 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3603 3061 280 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3145 1579 2331 AKAMAI-AS, US 749 3054 50541 2321 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2569 24117 1566 ATT-INTERNET4, US 30036 2488 359 526 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 7244 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4052 3399 163 AKAMAI-ASN1, NL 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2647 248 1376 M247, RO 34984 2272 359 611 TELLCOM-AS, TR 6849 2076 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11218 3343 583 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2312 371 610 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1332 2325 235 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 447 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 1576 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1356 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1016 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 532 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11218 3343 583 Uninet S.A. de C.V., MX 9808 9481 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8248 10780 2872 AMAZON-02, US 12479 7244 1705 149 UNI2-AS, ES 7545 5743 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4541 301 610 CABLEONE, US 20940 4052 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3886 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 9481 9433 CHINAMOBILE-CN China Mobile Communications Grou 12479 7244 7095 UNI2-AS, ES 16509 8248 5376 AMAZON-02, US 7545 5743 5055 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4541 3931 CABLEONE, US 7155 3967 3919 VIASAT-SP-BACKBONE, US 20940 4052 3889 AKAMAI-ASN1, NL 8551 3886 3849 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3688 3667 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 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 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 /13:575 /14:1196 /15:2069 /16:13419 /17:8172 /18:13710 /19:24820 /20:43045 /21:51025 /22:108820 /23:97016 /24:545673 /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 6305 7244 UNI2-AS, ES 8151 5173 11218 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3449 4541 CABLEONE, US 8551 3358 3886 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2674 3603 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2053 3499 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) ---------------------------------------------- 1:1671 2:1225 3:170 4:5 5:4491 6:121 7:6 8:1512 9:1 11:172 12:1562 13:391 14:2302 15:297 16:185 17:370 18:416 20:248 21:4 22:188 23:6121 24:2564 25:6 27:2493 29:19 31:2527 32:94 34:10 35:104 36:1938 37:4638 38:4445 39:805 40:151 41:3982 42:974 43:2316 44:305 45:16468 46:4219 47:356 49:1735 50:1825 51:571 52:1593 54:389 55:856 56:8 57:91 58:1684 59:1074 60:978 61:2466 62:2636 63:1924 64:5679 65:2322 66:4917 67:3014 68:1373 69:4144 70:1251 71:671 72:2971 74:2603 75:1460 76:606 77:2424 78:1847 79:3163 80:2096 81:1723 82:1481 83:1272 84:1516 85:2989 86:748 87:1992 88:1228 89:3616 90:614 91:7672 92:2053 93:2607 94:3596 95:3984 96:1328 97:336 98:1157 99:745 100:73 101:1300 102:2681 103:31181 104:4605 105:483 106:896 107:2506 108:1013 109:4412 110:2075 111:3187 112:2048 113:1491 114:1632 115:2014 116:1906 117:2562 118:2281 119:2011 120:1768 121:1031 122:2611 123:2139 124:1574 125:2479 128:1254 129:1052 130:991 131:1969 132:838 133:421 134:1900 135:303 136:839 137:946 138:2539 139:1520 140:1233 141:1456 142:1420 143:1487 144:1156 145:346 146:1922 147:1566 148:2317 149:2000 150:869 151:1154 152:1948 153:489 154:4373 155:1421 156:1787 157:1302 158:1043 159:2281 160:2532 161:1528 162:3518 163:1489 164:1582 165:1726 166:976 167:1735 168:3847 169:934 170:4595 171:869 172:3535 173:2922 174:1043 175:1157 176:3661 177:4546 178:3621 179:2132 180:2445 181:3421 182:3335 183:1932 184:2350 185:20164 186:4682 187:3933 188:4087 189:3525 190:9137 191:1453 192:10899 193:8829 194:7282 195:5130 196:3168 197:2385 198:5893 199:6075 200:7754 201:5882 202:10318 203:10193 204:4613 205:3520 206:4046 207:3394 208:4076 209:4858 210:4172 211:2403 212:4099 213:3557 214:1078 215:59 216:6616 217:2683 218:1269 219:406 220:1767 221:972 222:714 223:2150 End of report