IPv4 R&E Routing Table Report 23:05 GMT Wed 11 Dec, 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: 963380 Prefixes after maximum aggregation (per Origin AS): 367784 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 466342 Number of IPv4 prefixes with a valid ROA: 515807 Number of IPv4 prefixes with an invalid ROA: 1102 Number of IPv4 prefixes with no ROA: 446471 Total ASes present in the Internet Routing Table: 76306 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 65520 Origin ASes announcing only one prefix: 26798 Transit ASes present in the Internet Routing Table: 10786 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 63 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1055 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 45969 Number of 32-bit ASNs visible in the Routing Table: 37475 Prefixes from 32-bit ASNs in the Routing Table: 195283 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 500 Number of addresses announced to Internet: 3116495616 Equivalent to 185 /8s, 193 /16s and 243 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 315548 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253281 Total APNIC prefixes after maximum aggregation: 75502 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245739 Unique aggregates announced from the APNIC address blocks: 102165 APNIC Region origin ASes present in the Internet Routing Table: 14386 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4398 APNIC Region transit ASes present in the Internet Routing Table: 1923 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9903 Number of APNIC addresses announced to Internet: 756199680 Equivalent to 45 /8s, 18 /16s and 177 /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: 283799 Total ARIN prefixes after maximum aggregation: 125530 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 285614 Unique aggregates announced from the ARIN address blocks: 130576 ARIN Region origin ASes present in the Internet Routing Table: 19148 ARIN Prefixes per ASN: 14.92 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1922 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5074 Number of ARIN addresses announced to Internet: 1344495872 Equivalent to 80 /8s, 35 /16s and 97 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268367 Total RIPE prefixes after maximum aggregation: 130301 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265350 Unique aggregates announced from the RIPE address blocks: 169805 RIPE Region origin ASes present in the Internet Routing Table: 28799 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3930 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12143 Number of RIPE addresses announced to Internet: 734002176 Equivalent to 43 /8s, 191 /16s and 252 /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, 53/8, 57/8, 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: 123016 Total LACNIC prefixes after maximum aggregation: 29165 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120524 Unique aggregates announced from the LACNIC address blocks: 48706 LACNIC Region origin ASes present in the Internet Routing Table: 11175 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2478 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9088 Number of LACNIC addresses announced to Internet: 177526784 Equivalent to 10 /8s, 148 /16s and 216 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 33862 Total AfriNIC prefixes after maximum aggregation: 6627 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 45653 Unique aggregates announced from the AfriNIC address blocks: 14674 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 23.90 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 63 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267 Number of AfriNIC addresses announced to Internet: 104010240 Equivalent to 6 /8s, 51 /16s and 18 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10096 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4601 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3970 518 290 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2808 837 544 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2218 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12114 38288 2953 AMAZON-02, US 11492 4680 311 554 CABLEONE, US 174 4181 8763 877 COGENT-174, US 7155 4164 287 84 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3399 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3216 23506 2047 ATT-INTERNET4, US 396982 2889 3655 436 GOOGLE-CLOUD-PLATFORM, US 16625 2813 1227 2106 AKAMAI-AS, 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 7723 1709 143 UNI2-AS, ES 39891 4622 282 63 ALJAWWALSTC-AS, SA 20940 3871 3395 125 AKAMAI-ASN1, NL 9009 3701 319 1882 M247, RO 12389 2950 2294 879 ROSTELECOM-AS, RU 34984 2342 360 575 TELLCOM-AS, TR 212238 1821 131 1342 CDNEXT, GB 8452 1615 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1495 98 748 CLOUVIDER Clouvider - Global ASN, 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 11515 3226 604 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2538 540 371 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 778 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1169 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 998 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 1649 593 29 RAYA-AS, EG 24863 1637 389 16 LINKdotNET-AS, EG 29571 1448 92 58 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 965 179 271 INTERNET-SOLUTIONS, ZA 37069 834 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 546 82 3 KENET-AS, KE 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 16509 12114 38288 2953 AMAZON-02, US 8151 11515 3226 604 UNINET, MX 9808 10096 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7723 1709 143 UNI2-AS, ES 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4680 311 554 CABLEONE, US 39891 4622 282 63 ALJAWWALSTC-AS, SA 18403 4601 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4181 8763 877 COGENT-174, US 7155 4164 287 84 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11515 10911 UNINET, MX 9808 10096 10008 CHINAMOBILE-CN China Mobile Communications Grou 12479 7723 7580 UNI2-AS, ES 7545 6196 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4601 4578 FPT-AS-AP FPT Telecom Company, VN 39891 4622 4559 ALJAWWALSTC-AS, SA 11492 4680 4126 CABLEONE, US 7155 4164 4080 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 20940 3871 3746 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 LZWKF-ASN01, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 LZWKF-ASN01, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 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 /8:17 /9:17 /10:40 /11:100 /12:310 /13:592 /14:1224 /15:2176 /16:13543 /17:8129 /18:13597 /19:24445 /20:43782 /21:51771 /22:111492 /23:99719 /24:592426 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6699 7723 UNI2-AS, ES 8151 5709 11515 UNINET, MX 11492 3555 4680 CABLEONE, US 39891 3441 4622 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3108 4164 VIASAT-SP-BACKBONE, US 22773 2534 3399 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2261 12114 AMAZON-02, US 30036 2215 2555 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2304 2:1549 3:528 4:8 5:4465 6:166 7:6 8:1544 9:1 11:172 12:1400 13:362 14:2468 15:333 16:270 17:358 18:906 20:444 21:4 22:188 23:7064 24:2743 25:2 27:2660 29:19 31:3053 32:37 34:73 35:177 36:2391 37:4437 38:8728 39:877 40:149 41:4148 42:2195 43:2467 44:344 45:17890 46:4961 47:297 49:1993 50:1853 51:586 52:1573 54:315 55:1035 56:8 57:231 58:2230 59:1181 60:1153 61:2805 62:2876 63:1828 64:5404 65:2270 66:4643 67:3028 68:1286 69:3973 70:1113 71:592 72:2855 74:2774 75:1638 76:632 77:2545 78:1846 79:1672 80:2196 81:2030 82:1765 83:1393 84:1768 85:3198 86:973 87:2157 88:1260 89:4337 90:748 91:8243 92:2728 93:2827 94:3832 95:4186 96:1247 97:313 98:1065 99:733 100:71 101:1419 102:3457 103:32249 104:4435 105:729 106:1003 107:2441 108:1188 109:4035 110:2229 111:3308 112:2039 113:1794 114:1929 115:2169 116:2005 117:2717 118:2882 119:1959 120:1858 121:1329 122:2725 123:2155 124:1591 125:2844 126:62 128:1517 129:936 130:1250 131:1868 132:797 133:449 134:1507 135:327 136:1336 137:1105 138:2877 139:1531 140:1507 141:1443 142:1845 143:1595 144:1025 145:405 146:2113 147:2033 148:2581 149:2804 150:1159 151:1333 152:2106 153:499 154:7593 155:1568 156:2927 157:1853 158:1219 159:2431 160:3367 161:1741 162:3590 163:1777 164:1695 165:2146 166:1343 167:1859 168:4102 169:790 170:5076 171:1001 172:3970 173:3165 174:917 175:1275 176:3547 177:4825 178:3715 179:2243 180:2541 181:3947 182:3355 183:2089 184:2257 185:21241 186:5016 187:4225 188:4204 189:4124 190:9623 191:1514 192:11145 193:9280 194:7662 195:5409 196:3145 197:3586 198:5934 199:8243 200:8083 201:6303 202:10246 203:10427 204:4617 205:3636 206:4618 207:3470 208:4214 209:5078 210:4497 211:2520 212:4467 213:3674 214:1057 215:48 216:6563 217:3096 218:1306 219:387 220:2104 221:1051 222:712 223:2282 End of report