IPv4 R&E Routing Table Report 23:05 GMT Thu 10 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: 898995 Prefixes after maximum aggregation (per Origin AS): 342216 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441756 Number of IPv4 prefixes with a valid ROA: 360181 Number of IPv4 prefixes with an invalid ROA: 1694 Number of IPv4 prefixes with no ROA: 537120 Total ASes present in the Internet Routing Table: 73620 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63286 Origin ASes announcing only one prefix: 26021 Transit ASes present in the Internet Routing Table: 10334 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1050 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 40583 Number of 32-bit ASNs visible in the Routing Table: 33590 Prefixes from 32-bit ASNs in the Routing Table: 162528 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: 520 Number of addresses announced to Internet: 3063822592 Equivalent to 182 /8s, 158 /16s and 57 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 302359 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232497 Total APNIC prefixes after maximum aggregation: 67464 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227393 Unique aggregates announced from the APNIC address blocks: 96839 APNIC Region origin ASes present in the Internet Routing Table: 12973 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3741 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8278 Number of APNIC addresses announced to Internet: 773210624 Equivalent to 46 /8s, 22 /16s and 66 /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: 265958 Total ARIN prefixes after maximum aggregation: 121062 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267341 Unique aggregates announced from the ARIN address blocks: 128955 ARIN Region origin ASes present in the Internet Routing Table: 19017 ARIN Prefixes per ASN: 14.06 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1877 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: 4665 Number of ARIN addresses announced to Internet: 1289944320 Equivalent to 76 /8s, 226 /16s and 253 /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: 253835 Total RIPE prefixes after maximum aggregation: 119337 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250689 Unique aggregates announced from the RIPE address blocks: 154906 RIPE Region origin ASes present in the Internet Routing Table: 28146 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 12003 RIPE Region transit ASes present in the Internet Routing Table: 3973 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10862 Number of RIPE addresses announced to Internet: 716344320 Equivalent to 42 /8s, 178 /16s and 140 /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: 116808 Total LACNIC prefixes after maximum aggregation: 27950 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116217 Unique aggregates announced from the LACNIC address blocks: 48623 LACNIC Region origin ASes present in the Internet Routing Table: 10987 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2240 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: 175977216 Equivalent to 10 /8s, 125 /16s and 51 /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: 28847 Total AfriNIC prefixes after maximum aggregation: 5623 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36835 Unique aggregates announced from the AfriNIC address blocks: 12006 AfriNIC Region origin ASes present in the Internet Routing Table: 1703 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1032 Number of AfriNIC addresses announced to Internet: 108058880 Equivalent to 6 /8s, 112 /16s and 217 /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 9123 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5949 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3611 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3393 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2528 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2274 848 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2161 440 215 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 7567 10610 2918 AMAZON-02, US 11492 4593 304 539 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3747 3060 337 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3565 1863 2548 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3055 50656 2322 DNIC-AS-00749, US 30036 2601 372 270 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2584 24058 1556 ATT-INTERNET4, US 396982 2560 3480 355 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 6935 1730 144 UNI2-AS, ES 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2625 252 1350 M247, RO 6849 2370 339 20 UKRTELNET, UA 34984 2241 357 614 TELLCOM-AS, TR 58224 1773 930 543 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 10819 3347 601 Uninet S.A. de C.V., MX 10620 3473 510 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2109 342 547 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1109 182 475 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 992 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 1572 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 68 37 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 43 WANANCHI-, KE 37342 494 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 10819 3347 601 Uninet S.A. de C.V., MX 9808 9123 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7567 10610 2918 AMAZON-02, US 12479 6935 1730 144 UNI2-AS, ES 7545 5949 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4593 304 539 CABLEONE, US 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 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 9123 9076 CHINAMOBILE-CN China Mobile Communications Grou 12479 6935 6791 UNI2-AS, ES 7545 5949 5252 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7567 4649 AMAZON-02, US 11492 4593 4054 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3930 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3611 3591 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 /15:2078 /16:13482 /17:8284 /18:13848 /19:24821 /20:43003 /21:50810 /22:108621 /23:96299 /24:535501 /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 5948 6935 UNI2-AS, ES 8151 4770 10819 Uninet S.A. de C.V., MX 11492 3501 4593 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2773 3747 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2257 2601 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2227 2370 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1025 3:166 4:5 5:4025 6:120 7:5 8:1544 9:1 11:173 12:1620 13:352 14:2370 15:284 16:71 17:363 18:374 20:236 21:4 22:188 23:6002 24:2454 25:6 27:2705 29:19 31:2480 32:90 34:7 35:95 36:1817 37:4541 38:3726 39:774 40:144 41:3949 42:1171 43:2225 44:300 45:16255 46:4154 47:369 49:1700 50:1920 51:244 52:1499 54:398 55:845 56:8 57:79 58:1725 59:1109 60:1005 61:2409 62:2564 63:1958 64:5618 65:2326 66:4816 67:3008 68:1378 69:4123 70:1296 71:678 72:2999 74:2638 75:1476 76:597 77:2243 78:1826 79:3144 80:2041 81:1667 82:1480 83:1205 84:1443 85:2954 86:726 87:1922 88:1160 89:3454 90:551 91:7602 92:2033 93:2550 94:3539 95:3875 96:1345 97:348 98:1174 99:739 100:69 101:1302 102:2428 103:30260 104:4528 105:478 106:888 107:2540 108:906 109:4330 110:2007 111:3271 112:2046 113:1496 114:1571 115:1996 116:1873 117:2479 118:2324 119:1832 120:1679 121:1043 122:2573 123:2108 124:1512 125:2120 128:1203 129:966 130:966 131:2024 132:829 133:378 134:1914 135:291 136:884 137:910 138:2527 139:1516 140:1103 141:1477 142:1406 143:1398 144:1196 145:351 146:1865 147:1530 148:2235 149:1831 150:873 151:1143 152:1955 153:455 154:3819 155:1426 156:1613 157:1296 158:1036 159:2207 160:2591 161:1388 162:3498 163:1438 164:1667 165:1639 166:824 167:1716 168:3802 169:906 170:4552 171:850 172:3483 173:3106 174:1034 175:1162 176:3611 177:4783 178:3529 179:2134 180:2382 181:3335 182:3203 183:1937 184:2349 185:19886 186:4559 187:3965 188:4012 189:3437 190:9047 191:1424 192:10977 193:8757 194:7179 195:5087 196:3070 197:2465 198:5938 199:6046 200:7550 201:5832 202:10150 203:10036 204:4589 205:3476 206:3787 207:3336 208:4077 209:4771 210:4122 211:2330 212:4009 213:3508 214:1097 215:53 216:6531 217:2620 218:1266 219:406 220:1795 221:924 222:660 223:1988 End of report