IPv4 R&E Routing Table Report 23:05 GMT Thu 13 Oct, 2022 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: 895978 Prefixes after maximum aggregation (per Origin AS): 340880 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440247 Number of IPv4 prefixes with a valid ROA: 354547 Number of IPv4 prefixes with an invalid ROA: 1791 Number of IPv4 prefixes with no ROA: 539640 Total ASes present in the Internet Routing Table: 73550 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63191 Origin ASes announcing only one prefix: 25989 Transit ASes present in the Internet Routing Table: 10359 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1165 Number of instances of unregistered ASNs: 1168 Number of 32-bit ASNs allocated by the RIRs: 40365 Number of 32-bit ASNs visible in the Routing Table: 33451 Prefixes from 32-bit ASNs in the Routing Table: 161096 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3063170816 Equivalent to 182 /8s, 148 /16s and 71 /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: 301061 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231873 Total APNIC prefixes after maximum aggregation: 67156 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226721 Unique aggregates announced from the APNIC address blocks: 96535 APNIC Region origin ASes present in the Internet Routing Table: 12938 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3733 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8238 Number of APNIC addresses announced to Internet: 773329152 Equivalent to 46 /8s, 24 /16s and 17 /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: 264893 Total ARIN prefixes after maximum aggregation: 120700 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 266077 Unique aggregates announced from the ARIN address blocks: 128520 ARIN Region origin ASes present in the Internet Routing Table: 18975 ARIN Prefixes per ASN: 14.02 ARIN Region origin ASes announcing only one prefix: 6940 ARIN Region transit ASes present in the Internet Routing Table: 1869 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: 4618 Number of ARIN addresses announced to Internet: 1289624064 Equivalent to 76 /8s, 222 /16s and 26 /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: 253175 Total RIPE prefixes after maximum aggregation: 118728 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250065 Unique aggregates announced from the RIPE address blocks: 153866 RIPE Region origin ASes present in the Internet Routing Table: 28151 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12010 RIPE Region transit ASes present in the Internet Routing Table: 3995 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10834 Number of RIPE addresses announced to Internet: 716365568 Equivalent to 42 /8s, 178 /16s and 223 /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: 116226 Total LACNIC prefixes after maximum aggregation: 27880 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 115804 Unique aggregates announced from the LACNIC address blocks: 48738 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2242 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8738 Number of LACNIC addresses announced to Internet: 175910400 Equivalent to 10 /8s, 124 /16s and 46 /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: 28646 Total AfriNIC prefixes after maximum aggregation: 5571 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36731 Unique aggregates announced from the AfriNIC address blocks: 12107 AfriNIC Region origin ASes present in the Internet Routing Table: 1695 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 600 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1023 Number of AfriNIC addresses announced to Internet: 107627520 Equivalent to 6 /8s, 106 /16s and 68 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5928 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3522 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2469 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2288 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2237 852 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2137 425 217 TATACOMM-AS TATA Communications formerl 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 7361 10584 2878 AMAZON-02, US 11492 4599 304 530 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3773 3066 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3547 1849 2541 AKAMAI-AS, US 6327 3490 1319 64 SHAW, CA 749 3029 50696 2296 DNIC-AS-00749, US 30036 2599 367 262 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2589 24153 1585 ATT-INTERNET4, US 396982 2552 3479 345 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 6870 1730 144 UNI2-AS, ES 20940 4104 3399 173 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2291 913 ROSTELECOM-AS, RU 9009 2616 252 1343 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2243 357 616 TELLCOM-AS, TR 58224 1756 920 589 TCI, IR 13188 1610 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 10886 3339 596 Uninet S.A. de C.V., MX 10620 3470 510 844 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2057 335 531 Mega Cable, S.A. de C.V., MX 28573 1351 2328 265 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1083 369 22 Telefonica del Peru S.A.A., PE 11664 1082 181 462 Techtel LMDS Comunicaciones Interactiva 26615 986 2466 43 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 1569 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1260 550 99 MT-MPLS, MA 29571 1015 68 32 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10886 3339 596 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7361 10584 2878 AMAZON-02, US 12479 6870 1730 144 UNI2-AS, ES 7545 5928 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4599 304 530 CABLEONE, US 20940 4104 3399 173 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 9808 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6870 6726 UNI2-AS, ES 7545 5928 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7361 4483 AMAZON-02, US 11492 4599 4069 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3991 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3931 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.133.252.0/24 Origin: 54681 ROSETEL, US 23.133.252.0/24 Transit: 50058 August Internet, GB 23.133.253.0/24 Origin: 54681 ROSETEL, US 23.133.253.0/24 Transit: 50058 August Internet, GB 23.133.254.0/24 Origin: 54681 ROSETEL, US 23.133.254.0/24 Transit: 50058 August Internet, GB 23.133.255.0/24 Origin: 54681 ROSETEL, US 23.133.255.0/24 Transit: 50058 August Internet, GB 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 /11:100 /12:294 /13:586 /14:1197 /15:2077 /16:13467 /17:8301 /18:13828 /19:24792 /20:43049 /21:50813 /22:108031 /23:95920 /24:533449 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5881 6870 UNI2-AS, ES 8151 4771 10886 Uninet S.A. de C.V., MX 11492 3506 4599 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3299 3490 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2785 3773 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2257 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1895 2:1028 3:166 4:5 5:3948 6:116 7:6 8:1552 9:1 11:173 12:1622 13:339 14:2364 15:267 16:69 17:362 18:339 20:241 21:4 22:188 23:5956 24:2459 25:6 27:2666 29:19 31:2450 32:91 34:7 35:90 36:1893 37:4494 38:3619 39:753 40:159 41:3931 42:1168 43:2267 44:295 45:16207 46:4195 47:377 49:1699 50:1927 51:242 52:1490 54:386 55:847 56:8 57:78 58:1721 59:1110 60:991 61:2379 62:2540 63:1919 64:5604 65:2316 66:4814 67:2954 68:1318 69:4156 70:1301 71:678 72:2985 74:2642 75:1474 76:592 77:2158 78:1820 79:3144 80:2015 81:1662 82:1522 83:1218 84:1406 85:2951 86:729 87:1914 88:1134 89:3426 90:543 91:7583 92:2057 93:2546 94:3529 95:3846 96:1347 97:342 98:1166 99:738 100:78 101:1295 102:2354 103:30158 104:4542 105:474 106:886 107:2534 108:893 109:4339 110:2002 111:3278 112:2043 113:1484 114:1510 115:1991 116:1890 117:2485 118:2325 119:1840 120:1707 121:1012 122:2541 123:2100 124:1513 125:2118 128:1180 129:965 130:959 131:2008 132:819 133:377 134:1902 135:289 136:876 137:886 138:2536 139:1515 140:1114 141:1481 142:1376 143:1402 144:1196 145:345 146:1854 147:1529 148:2239 149:1791 150:878 151:1117 152:1950 153:469 154:3848 155:1422 156:1683 157:1298 158:1001 159:2176 160:2559 161:1366 162:3516 163:1427 164:1664 165:1665 166:801 167:1721 168:3767 169:880 170:4531 171:848 172:3450 173:3102 174:1019 175:1153 176:3569 177:4730 178:3557 179:2127 180:2367 181:3254 182:3208 183:1940 184:2353 185:19808 186:4595 187:3957 188:4036 189:3448 190:8981 191:1446 192:10953 193:8726 194:7139 195:5045 196:3056 197:2451 198:5955 199:6036 200:7529 201:5805 202:10123 203:10014 204:4549 205:3445 206:3802 207:3375 208:4076 209:4735 210:4118 211:2323 212:3990 213:3517 214:1087 215:53 216:6460 217:2606 218:1271 219:404 220:1784 221:922 222:652 223:1976 End of report