IPv4 R&E Routing Table Report 23:05 GMT Wed 20 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: 934761 Prefixes after maximum aggregation (per Origin AS): 357694 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458173 Number of IPv4 prefixes with a valid ROA: 454626 Number of IPv4 prefixes with an invalid ROA: 1017 Number of IPv4 prefixes with no ROA: 479118 Total ASes present in the Internet Routing Table: 75327 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64792 Origin ASes announcing only one prefix: 26575 Transit ASes present in the Internet Routing Table: 10535 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN (2458272) 56 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1102 Number of 32-bit ASNs allocated by the RIRs: 43867 Number of 32-bit ASNs visible in the Routing Table: 35985 Prefixes from 32-bit ASNs in the Routing Table: 181953 Number of bogon 32-bit ASNs visible in the Routing Table: 121 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 589 Number of addresses announced to Internet: 3027192832 Equivalent to 180 /8s, 111 /16s and 76 /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: 308454 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246501 Total APNIC prefixes after maximum aggregation: 72254 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239242 Unique aggregates announced from the APNIC address blocks: 99948 APNIC Region origin ASes present in the Internet Routing Table: 13952 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4216 APNIC Region transit ASes present in the Internet Routing Table: 1854 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: 9387 Number of APNIC addresses announced to Internet: 760192768 Equivalent to 45 /8s, 79 /16s and 159 /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: 273203 Total ARIN prefixes after maximum aggregation: 123740 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277751 Unique aggregates announced from the ARIN address blocks: 132525 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4859 Number of ARIN addresses announced to Internet: 1269512960 Equivalent to 75 /8s, 171 /16s and 59 /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: 262719 Total RIPE prefixes after maximum aggregation: 126113 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257871 Unique aggregates announced from the RIPE address blocks: 162731 RIPE Region origin ASes present in the Internet Routing Table: 28568 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3909 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: 11663 Number of RIPE addresses announced to Internet: 714674688 Equivalent to 42 /8s, 153 /16s and 18 /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: 120926 Total LACNIC prefixes after maximum aggregation: 28784 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119300 Unique aggregates announced from the LACNIC address blocks: 49575 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.80 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: 8907 Number of LACNIC addresses announced to Internet: 177186304 Equivalent to 10 /8s, 143 /16s and 166 /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: 30367 Total AfriNIC prefixes after maximum aggregation: 6114 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 40008 Unique aggregates announced from the AfriNIC address blocks: 12924 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 22.25 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 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: 105314560 Equivalent to 6 /8s, 70 /16s and 249 /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 9846 8740 59 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4591 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3606 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3515 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2765 864 359 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 9743 11356 3390 AMAZON-02, US 11492 4590 305 629 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3602 1320 75 SHAW, CA 22773 3599 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 174 3489 6651 691 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3143 1351 2244 AKAMAI-AS, US 367 2925 3633 1397 DNIC-ASBLK-00306-00371, US 396982 2761 3641 410 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 7698 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3856 3395 125 AKAMAI-ASN1, NL 9009 3261 283 1590 M247, RO 12389 2899 2304 906 ROSTELECOM-AS, RU 8551 2645 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2345 363 588 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1524 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 12363 3321 495 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2509 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 1312 788 199 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 1069 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 1549 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 1191 75 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 525 55 53 WANANCHI-, KE 36914 488 82 3 KENET-AS, KE 24757 429 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 12363 3321 495 UNINET, MX 9808 9846 8740 59 CHINAMOBILE-CN China Mobile Communicati 16509 9743 11356 3390 AMAZON-02, US 12479 7698 1714 147 UNI2-AS, ES 7545 5654 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4591 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4590 305 629 CABLEONE, US 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 9846 9787 CHINAMOBILE-CN China Mobile Communications Grou 12479 7698 7551 UNI2-AS, ES 16509 9743 6353 AMAZON-02, US 7545 5654 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4591 4566 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4590 3961 CABLEONE, US 7552 3859 3839 VIETEL-AS-AP Viettel Group, VN 20940 3856 3731 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 /14:1189 /15:2062 /16:13231 /17:8115 /18:13568 /19:24494 /20:43082 /21:50874 /22:110085 /23:98170 /24:568846 /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 6812 7698 UNI2-AS, ES 8151 6372 12363 UNINET, MX 11492 3503 4590 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3602 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2646 3599 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2121 2645 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) ---------------------------------------------- 1:2260 2:1473 3:316 4:6 5:4519 6:162 7:6 8:1502 9:1 11:172 12:1465 13:375 14:2365 15:317 16:210 17:366 18:752 20:355 21:4 22:188 23:6609 24:2709 25:2 27:2629 29:19 31:2618 32:46 34:61 35:123 36:2234 37:4491 38:7046 39:894 40:125 41:4039 42:2205 43:2309 44:313 45:16875 46:4375 47:299 49:1907 50:1899 51:570 52:1580 54:310 55:971 56:5 57:152 58:1976 59:1123 60:1025 61:2607 62:2689 63:1905 64:5523 65:2315 66:4683 67:3061 68:1330 69:4074 70:1196 71:572 72:2895 74:2576 75:1550 76:632 77:2414 78:1841 79:2471 80:2158 81:1935 82:1510 83:1280 84:1640 85:3093 86:825 87:2005 88:1235 89:4029 90:686 91:8016 92:2189 93:2632 94:3644 95:4146 96:1300 97:312 98:1045 99:743 100:92 101:1169 102:3008 103:32431 104:4772 105:583 106:929 107:2756 108:1124 109:4059 110:2136 111:3205 112:2062 113:1762 114:1770 115:2012 116:1871 117:2616 118:2838 119:1957 120:1785 121:1271 122:2681 123:2194 124:1606 125:2836 126:32 128:1414 129:908 130:1084 131:1811 132:808 133:410 134:1718 135:311 136:943 137:1028 138:2806 139:1544 140:1377 141:1360 142:1574 143:1483 144:1014 145:344 146:2019 147:1719 148:2490 149:2571 150:1034 151:1336 152:1961 153:523 154:5917 155:1374 156:2215 157:1615 158:1103 159:2256 160:2589 161:1635 162:3599 163:1716 164:1626 165:2120 166:1060 167:1760 168:3892 169:778 170:4688 171:995 172:3820 173:3012 174:903 175:1199 176:3652 177:4537 178:3580 179:2224 180:2368 181:3669 182:3363 183:2039 184:2263 185:20636 186:4896 187:4450 188:4043 189:4080 190:9297 191:1461 192:10964 193:9031 194:7441 195:5239 196:3162 197:2359 198:5899 199:7516 200:7981 201:6317 202:10228 203:10121 204:4548 205:3708 206:4437 207:3362 208:4120 209:4998 210:4391 211:2484 212:4286 213:3401 214:1091 215:49 216:6752 217:2806 218:1312 219:406 220:1824 221:1029 222:693 223:2204 End of report