IPv4 R&E Routing Table Report 23:05 GMT Thu 21 Mar, 2024 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: 934854 Prefixes after maximum aggregation (per Origin AS): 357607 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458046 Number of IPv4 prefixes with a valid ROA: 454888 Number of IPv4 prefixes with an invalid ROA: 1019 Number of IPv4 prefixes with no ROA: 478947 Total ASes present in the Internet Routing Table: 75335 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64797 Origin ASes announcing only one prefix: 26566 Transit ASes present in the Internet Routing Table: 10538 Transit-only ASes present in the Internet Routing Table: 473 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1040 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 43881 Number of 32-bit ASNs visible in the Routing Table: 35993 Prefixes from 32-bit ASNs in the Routing Table: 182268 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 587 Number of addresses announced to Internet: 3027597056 Equivalent to 180 /8s, 117 /16s and 119 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 308468 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246483 Total APNIC prefixes after maximum aggregation: 72291 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239170 Unique aggregates announced from the APNIC address blocks: 99990 APNIC Region origin ASes present in the Internet Routing Table: 13958 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4215 APNIC Region transit ASes present in the Internet Routing Table: 1856 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9392 Number of APNIC addresses announced to Internet: 760276992 Equivalent to 45 /8s, 80 /16s and 232 /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, 131072-153913 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: 273244 Total ARIN prefixes after maximum aggregation: 123736 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277839 Unique aggregates announced from the ARIN address blocks: 132547 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1905 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4866 Number of ARIN addresses announced to Internet: 1269589760 Equivalent to 75 /8s, 172 /16s and 103 /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: 262592 Total RIPE prefixes after maximum aggregation: 125977 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257720 Unique aggregates announced from the RIPE address blocks: 162553 RIPE Region origin ASes present in the Internet Routing Table: 28571 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12124 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11665 Number of RIPE addresses announced to Internet: 714631424 Equivalent to 42 /8s, 152 /16s and 105 /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 196608-216475 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: 120991 Total LACNIC prefixes after maximum aggregation: 28779 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119358 Unique aggregates announced from the LACNIC address blocks: 49596 LACNIC Region origin ASes present in the Internet Routing Table: 11046 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2618 LACNIC Region transit ASes present in the Internet Routing Table: 2365 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8901 Number of LACNIC addresses announced to Internet: 177181184 Equivalent to 10 /8s, 143 /16s and 146 /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: 30504 Total AfriNIC prefixes after maximum aggregation: 6137 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 40180 Unique aggregates announced from the AfriNIC address blocks: 12891 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 22.33 AfriNIC Region origin ASes announcing only one prefix: 639 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1169 Number of AfriNIC addresses announced to Internet: 105607168 Equivalent to 6 /8s, 75 /16s and 112 /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 9848 8741 60 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4590 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3607 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2193 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 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 9734 11352 3401 AMAZON-02, US 11492 4591 305 624 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3602 1320 75 SHAW, CA 22773 3600 3060 292 ASN-CXA-ALL-CCI-22773-RDC, US 174 3494 6651 694 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3148 1350 2249 AKAMAI-AS, US 367 2926 3631 1391 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 GOOGLE-CLOUD-PLATFORM, 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 7700 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3844 3395 125 AKAMAI-ASN1, NL 9009 3265 283 1593 M247, RO 12389 2912 2304 905 ROSTELECOM-AS, RU 8551 2648 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG 44477 1498 98 710 STARK-INDUSTRIES, GB 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 12368 3321 495 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2512 341 657 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1071 2503 53 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 24835 1548 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1368 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1136 74 87 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 525 55 53 WANANCHI-, KE 36914 487 82 3 KENET-AS, KE 24757 428 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 12368 3321 495 UNINET, MX 9808 9848 8741 60 CHINAMOBILE-CN China Mobile Communicati 16509 9734 11352 3401 AMAZON-02, US 12479 7700 1714 147 UNI2-AS, ES 7545 5655 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4591 305 624 CABLEONE, US 18403 4590 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9848 9788 CHINAMOBILE-CN China Mobile Communications Grou 12479 7700 7553 UNI2-AS, ES 16509 9734 6333 AMAZON-02, US 7545 5655 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4590 4565 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4591 3967 CABLEONE, US 7552 3859 3839 VIETEL-AS-AP Viettel Group, VN 20940 3844 3719 AKAMAI-ASN1, NL 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 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /10:36 /11:95 /12:298 /13:578 /14:1191 /15:2061 /16:13235 /17:8123 /18:13572 /19:24507 /20:43134 /21:50863 /22:110063 /23:98144 /24:568916 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6814 7700 UNI2-AS, ES 8151 6376 12368 UNINET, MX 11492 3504 4591 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3602 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2646 3600 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2124 2648 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2270 2:1467 3:317 4:6 5:4513 6:162 7:6 8:1501 9:1 11:172 12:1467 13:381 14:2365 15:318 16:210 17:368 18:751 20:355 21:4 22:188 23:6604 24:2709 25:2 27:2567 29:19 31:2618 32:45 34:61 35:123 36:2236 37:4497 38:7083 39:894 40:125 41:4063 42:2205 43:2314 44:314 45:16863 46:4389 47:299 49:1907 50:1896 51:572 52:1580 54:309 55:962 56:5 57:153 58:1975 59:1125 60:1025 61:2608 62:2662 63:1903 64:5525 65:2322 66:4679 67:3061 68:1333 69:4074 70:1196 71:574 72:2891 74:2578 75:1549 76:628 77:2415 78:1840 79:2477 80:2158 81:1935 82:1510 83:1284 84:1641 85:3037 86:825 87:2013 88:1238 89:4027 90:686 91:8028 92:2187 93:2629 94:3644 95:4146 96:1302 97:312 98:1045 99:743 100:92 101:1167 102:3042 103:32449 104:4788 105:591 106:930 107:2754 108:1123 109:4055 110:2136 111:3204 112:2062 113:1764 114:1773 115:2011 116:1873 117:2617 118:2838 119:1958 120:1787 121:1270 122:2683 123:2194 124:1561 125:2840 126:32 128:1420 129:929 130:1082 131:1826 132:800 133:410 134:1721 135:312 136:947 137:1021 138:2803 139:1543 140:1376 141:1362 142:1574 143:1486 144:1014 145:344 146:2021 147:1722 148:2493 149:2570 150:1034 151:1336 152:1971 153:523 154:5880 155:1369 156:2223 157:1619 158:1102 159:2256 160:2576 161:1636 162:3591 163:1715 164:1629 165:2122 166:1062 167:1760 168:3907 169:784 170:4693 171:999 172:3816 173:3042 174:904 175:1200 176:3665 177:4541 178:3579 179:2222 180:2369 181:3670 182:3362 183:2036 184:2264 185:20613 186:4905 187:4466 188:4030 189:4074 190:9327 191:1456 192:10971 193:9034 194:7445 195:5242 196:3160 197:2384 198:5903 199:7519 200:7986 201:6333 202:10177 203:10128 204:4548 205:3717 206:4438 207:3361 208:4116 209:4996 210:4389 211:2485 212:4281 213:3366 214:1088 215:50 216:6756 217:2808 218:1312 219:406 220:1824 221:1029 222:694 223:2206 End of report