IPv4 R&E Routing Table Report 23:05 GMT Sat 19 Nov, 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: 900061 Prefixes after maximum aggregation (per Origin AS): 342666 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442441 Number of IPv4 prefixes with a valid ROA: 362687 Number of IPv4 prefixes with an invalid ROA: 1665 Number of IPv4 prefixes with no ROA: 535709 Total ASes present in the Internet Routing Table: 73680 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63321 Origin ASes announcing only one prefix: 26048 Transit ASes present in the Internet Routing Table: 10359 Transit-only ASes present in the Internet Routing Table: 419 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1001 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 40665 Number of 32-bit ASNs visible in the Routing Table: 33670 Prefixes from 32-bit ASNs in the Routing Table: 163325 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3062685952 Equivalent to 182 /8s, 140 /16s and 225 /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: 302689 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232995 Total APNIC prefixes after maximum aggregation: 67530 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227861 Unique aggregates announced from the APNIC address blocks: 97065 APNIC Region origin ASes present in the Internet Routing Table: 13012 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3774 APNIC Region transit ASes present in the Internet Routing Table: 1750 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: 8328 Number of APNIC addresses announced to Internet: 772979456 Equivalent to 46 /8s, 18 /16s and 187 /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: 266085 Total ARIN prefixes after maximum aggregation: 121057 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267587 Unique aggregates announced from the ARIN address blocks: 129190 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1874 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: 4669 Number of ARIN addresses announced to Internet: 1289222656 Equivalent to 76 /8s, 215 /16s and 250 /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: 254367 Total RIPE prefixes after maximum aggregation: 119570 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251059 Unique aggregates announced from the RIPE address blocks: 154869 RIPE Region origin ASes present in the Internet Routing Table: 28161 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 12019 RIPE Region transit ASes present in the Internet Routing Table: 3980 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: 10890 Number of RIPE addresses announced to Internet: 716182528 Equivalent to 42 /8s, 176 /16s and 20 /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: 116769 Total LACNIC prefixes after maximum aggregation: 28116 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116142 Unique aggregates announced from the LACNIC address blocks: 48919 LACNIC Region origin ASes present in the Internet Routing Table: 10994 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2255 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: 8753 Number of LACNIC addresses announced to Internet: 175931136 Equivalent to 10 /8s, 124 /16s and 127 /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: 28844 Total AfriNIC prefixes after maximum aggregation: 5631 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36911 Unique aggregates announced from the AfriNIC address blocks: 11983 AfriNIC Region origin ASes present in the Internet Routing Table: 1699 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 321 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: 1030 Number of AfriNIC addresses announced to Internet: 108086528 Equivalent to 6 /8s, 113 /16s and 69 /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 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3616 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3397 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2539 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2289 849 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2160 440 214 TATACOMM-AS TATA Communications formerl 45090 2144 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 7636 10620 2909 AMAZON-02, US 11492 4593 304 514 CABLEONE, US 7155 3964 265 32 VIASAT-SP-BACKBONE, US 22773 3728 3062 327 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3563 1860 2557 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3064 50657 2331 DNIC-AS-00749, US 30036 2599 372 276 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2578 24058 1549 ATT-INTERNET4, US 396982 2564 3482 359 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 6955 1730 144 UNI2-AS, ES 20940 4108 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2290 911 ROSTELECOM-AS, RU 9009 2646 253 1359 M247, RO 6849 2326 339 20 UKRTELNET, UA 34984 2242 357 615 TELLCOM-AS, TR 58224 1774 930 538 TCI, IR 13188 1606 100 42 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 10847 3347 595 Uninet S.A. de C.V., MX 10620 3454 506 855 Telmex Colombia S.A., CO 11830 2298 369 64 Instituto Costarricense de Electricidad 13999 2124 347 551 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1113 182 478 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 988 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 1545 521 31 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 42 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 529 53 44 WANANCHI-, KE 37342 492 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 10847 3347 595 Uninet S.A. de C.V., MX 9808 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7636 10620 2909 AMAZON-02, US 12479 6955 1730 144 UNI2-AS, ES 7545 5945 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4593 304 514 CABLEONE, US 20940 4108 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3964 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 9118 9071 CHINAMOBILE-CN China Mobile Communications Grou 12479 6955 6811 UNI2-AS, ES 7545 5945 5250 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7636 4727 AMAZON-02, US 11492 4593 4079 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4108 3934 AKAMAI-ASN1, NL 7155 3964 3932 VIASAT-SP-BACKBONE, US 7552 3616 3596 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /12:295 /13:584 /14:1195 /15:2076 /16:13480 /17:8283 /18:13805 /19:24806 /20:43053 /21:50902 /22:108764 /23:96393 /24:536251 /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 5978 6955 UNI2-AS, ES 8151 4801 10847 Uninet S.A. de C.V., MX 11492 3499 4593 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3053 3964 VIASAT-SP-BACKBONE, US 22773 2754 3728 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2175 2326 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1859 2:1024 3:166 4:5 5:4039 6:118 7:5 8:1544 9:1 11:173 12:1617 13:382 14:2370 15:287 16:71 17:364 18:383 20:239 21:4 22:188 23:6007 24:2453 25:6 27:2705 29:19 31:2479 32:88 34:8 35:94 36:1823 37:4540 38:3757 39:771 40:144 41:3912 42:1181 43:2269 44:300 45:16254 46:4143 47:371 49:1700 50:1926 51:244 52:1503 54:398 55:842 56:8 57:79 58:1729 59:1108 60:1005 61:2421 62:2562 63:1953 64:5634 65:2330 66:4808 67:2999 68:1381 69:4147 70:1289 71:680 72:2993 74:2637 75:1471 76:597 77:2245 78:1825 79:3157 80:2044 81:1676 82:1498 83:1211 84:1487 85:2965 86:731 87:1923 88:1157 89:3462 90:569 91:7609 92:2010 93:2564 94:3533 95:3890 96:1338 97:348 98:1174 99:740 100:69 101:1298 102:2467 103:30347 104:4546 105:478 106:827 107:2537 108:909 109:4337 110:2004 111:3268 112:2048 113:1503 114:1576 115:2012 116:1876 117:2480 118:2325 119:1845 120:1693 121:1047 122:2582 123:2113 124:1534 125:2128 128:1202 129:967 130:963 131:2029 132:824 133:401 134:1904 135:287 136:876 137:918 138:2543 139:1510 140:1090 141:1482 142:1410 143:1399 144:1206 145:350 146:1876 147:1505 148:2238 149:1836 150:865 151:1147 152:1958 153:455 154:3811 155:1388 156:1622 157:1289 158:1034 159:2233 160:2581 161:1419 162:3511 163:1447 164:1616 165:1651 166:827 167:1720 168:3826 169:915 170:4544 171:852 172:3513 173:3106 174:1030 175:1167 176:3611 177:4788 178:3553 179:2139 180:2382 181:3316 182:3199 183:1936 184:2354 185:19920 186:4553 187:3949 188:4051 189:3423 190:9027 191:1444 192:10986 193:8757 194:7184 195:5092 196:3069 197:2471 198:5945 199:6064 200:7554 201:5824 202:10166 203:10045 204:4596 205:3476 206:3763 207:3340 208:4096 209:4777 210:4154 211:2341 212:4021 213:3522 214:1100 215:55 216:6552 217:2620 218:1265 219:408 220:1796 221:946 222:664 223:2002 End of report