IPv4 R&E Routing Table Report 23:05 GMT Sun 23 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: 896862 Prefixes after maximum aggregation (per Origin AS): 341072 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440205 Number of IPv4 prefixes with a valid ROA: 357042 Number of IPv4 prefixes with an invalid ROA: 1165 Number of IPv4 prefixes with no ROA: 538655 Total ASes present in the Internet Routing Table: 73571 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63221 Origin ASes announcing only one prefix: 25968 Transit ASes present in the Internet Routing Table: 10350 Transit-only ASes present in the Internet Routing Table: 408 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: 1072 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 40479 Number of 32-bit ASNs visible in the Routing Table: 33500 Prefixes from 32-bit ASNs in the Routing Table: 161501 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3063177728 Equivalent to 182 /8s, 148 /16s and 98 /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: 301799 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231717 Total APNIC prefixes after maximum aggregation: 67185 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226743 Unique aggregates announced from the APNIC address blocks: 96655 APNIC Region origin ASes present in the Internet Routing Table: 12952 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3729 APNIC Region transit ASes present in the Internet Routing Table: 1748 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: 8255 Number of APNIC addresses announced to Internet: 773176064 Equivalent to 46 /8s, 21 /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: 265251 Total ARIN prefixes after maximum aggregation: 120750 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266514 Unique aggregates announced from the ARIN address blocks: 128625 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6955 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: 4636 Number of ARIN addresses announced to Internet: 1289694464 Equivalent to 76 /8s, 223 /16s and 45 /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: 253761 Total RIPE prefixes after maximum aggregation: 118943 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250553 Unique aggregates announced from the RIPE address blocks: 154211 RIPE Region origin ASes present in the Internet Routing Table: 28148 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 11994 RIPE Region transit ASes present in the Internet Routing Table: 3985 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: 10847 Number of RIPE addresses announced to Internet: 716341760 Equivalent to 42 /8s, 178 /16s and 130 /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: 116299 Total LACNIC prefixes after maximum aggregation: 27817 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115818 Unique aggregates announced from the LACNIC address blocks: 48380 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2690 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: 8739 Number of LACNIC addresses announced to Internet: 175748608 Equivalent to 10 /8s, 121 /16s and 182 /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: 28762 Total AfriNIC prefixes after maximum aggregation: 5595 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36709 Unique aggregates announced from the AfriNIC address blocks: 11911 AfriNIC Region origin ASes present in the Internet Routing Table: 1697 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 600 AfriNIC Region transit ASes present in the Internet Routing Table: 323 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: 107916800 Equivalent to 6 /8s, 110 /16s and 174 /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 5930 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 66 VNPT-AS-VN VNPT Corp, VN 4766 2291 11251 594 KIXS-AS-KR Korea Telecom, KR 9498 2273 491 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2242 851 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2151 426 222 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 7424 10584 2905 AMAZON-02, US 11492 4612 305 508 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3765 3065 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3536 1845 2541 AKAMAI-AS, US 6327 3504 1320 63 SHAW, CA 749 3027 50696 2294 DNIC-AS-00749, US 7018 2642 24156 1594 ATT-INTERNET4, US 30036 2599 367 265 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2554 3479 346 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 6914 1730 144 UNI2-AS, ES 20940 4096 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2620 252 1346 M247, RO 6849 2468 339 20 UKRTELNET, UA 34984 2242 357 615 TELLCOM-AS, TR 58224 1798 936 538 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 10816 3315 602 Uninet S.A. de C.V., MX 10620 3469 510 837 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2076 338 538 Mega Cable, S.A. de C.V., MX 28573 1336 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11664 1089 181 466 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1518 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1260 550 99 MT-MPLS, MA 29571 1018 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 53 42 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 10816 3315 602 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7424 10584 2905 AMAZON-02, US 12479 6914 1730 144 UNI2-AS, ES 7545 5930 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4612 305 508 CABLEONE, US 20940 4096 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3899 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 6914 6770 UNI2-AS, ES 7545 5930 5236 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7424 4519 AMAZON-02, US 11492 4612 4104 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3984 3946 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4096 3924 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 7552 3594 3574 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 2914 NTT-LTD-2914, 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 /8:16 /9:13 /10:38 /11:100 /12:294 /13:586 /14:1197 /15:2076 /16:13461 /17:8282 /18:13845 /19:24812 /20:43038 /21:50735 /22:108287 /23:96005 /24:534070 /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 5922 6914 UNI2-AS, ES 8151 4777 10816 Uninet S.A. de C.V., MX 11492 3519 4612 CABLEONE, US 8551 3448 3984 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3312 3504 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2781 3765 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2333 2468 UKRTELNET, UA 30036 2259 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) ---------------------------------------------- 1:1889 2:1029 3:166 4:5 5:3960 6:105 7:5 8:1551 9:1 11:173 12:1622 13:354 14:2367 15:275 16:69 17:358 18:341 20:241 21:4 22:188 23:5951 24:2460 25:6 27:2713 29:19 31:2451 32:91 34:7 35:90 36:1890 37:4485 38:3714 39:754 40:159 41:3960 42:1168 43:2267 44:297 45:16217 46:4198 47:366 49:1698 50:1916 51:242 52:1500 54:394 55:839 56:8 57:79 58:1720 59:1086 60:994 61:2317 62:2556 63:1966 64:5606 65:2324 66:4818 67:2961 68:1376 69:4147 70:1298 71:677 72:2994 74:2642 75:1473 76:587 77:2247 78:1820 79:3154 80:2056 81:1674 82:1531 83:1217 84:1412 85:2956 86:734 87:1917 88:1168 89:3430 90:547 91:7584 92:2080 93:2543 94:3545 95:3850 96:1345 97:347 98:1171 99:739 100:68 101:1296 102:2363 103:30175 104:4519 105:476 106:888 107:2540 108:890 109:4334 110:2005 111:3284 112:2060 113:1483 114:1512 115:1986 116:1894 117:2483 118:2317 119:1838 120:1706 121:1016 122:2545 123:2104 124:1494 125:2118 128:1185 129:969 130:963 131:2004 132:819 133:379 134:1901 135:289 136:869 137:886 138:2530 139:1518 140:1131 141:1472 142:1381 143:1415 144:1197 145:351 146:1861 147:1491 148:2217 149:1833 150:875 151:1132 152:1942 153:469 154:3766 155:1425 156:1638 157:1305 158:1040 159:2184 160:2572 161:1370 162:3492 163:1433 164:1663 165:1649 166:801 167:1728 168:3766 169:891 170:4542 171:849 172:3450 173:3095 174:1032 175:1155 176:3577 177:4771 178:3548 179:2104 180:2364 181:3311 182:3072 183:1943 184:2351 185:19844 186:4565 187:3944 188:4023 189:3455 190:8976 191:1449 192:10948 193:8728 194:7142 195:5045 196:3065 197:2467 198:5940 199:6045 200:7515 201:5827 202:10131 203:10017 204:4591 205:3464 206:3801 207:3379 208:4081 209:4757 210:4117 211:2326 212:4008 213:3560 214:1089 215:53 216:6465 217:2629 218:1271 219:404 220:1785 221:922 222:654 223:1977 End of report