IPv4 R&E Routing Table Report 23:05 GMT Tue 13 Sep, 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: 893235 Prefixes after maximum aggregation (per Origin AS): 339851 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439221 Number of IPv4 prefixes with a valid ROA: 349635 Number of IPv4 prefixes with an invalid ROA: 1534 Number of IPv4 prefixes with no ROA: 542066 Total ASes present in the Internet Routing Table: 73487 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63122 Origin ASes announcing only one prefix: 25999 Transit ASes present in the Internet Routing Table: 10365 Transit-only ASes present in the Internet Routing Table: 410 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: 966 Number of instances of unregistered ASNs: 966 Number of 32-bit ASNs allocated by the RIRs: 40164 Number of 32-bit ASNs visible in the Routing Table: 33291 Prefixes from 32-bit ASNs in the Routing Table: 159549 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3067575552 Equivalent to 182 /8s, 215 /16s and 125 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 300261 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230786 Total APNIC prefixes after maximum aggregation: 66854 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225724 Unique aggregates announced from the APNIC address blocks: 96255 APNIC Region origin ASes present in the Internet Routing Table: 12862 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3709 APNIC Region transit ASes present in the Internet Routing Table: 1743 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: 8160 Number of APNIC addresses announced to Internet: 772785920 Equivalent to 46 /8s, 15 /16s and 199 /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: 264023 Total ARIN prefixes after maximum aggregation: 120759 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264683 Unique aggregates announced from the ARIN address blocks: 128117 ARIN Region origin ASes present in the Internet Routing Table: 19006 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1864 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4597 Number of ARIN addresses announced to Internet: 1293398528 Equivalent to 77 /8s, 23 /16s and 178 /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: 252526 Total RIPE prefixes after maximum aggregation: 118248 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249738 Unique aggregates announced from the RIPE address blocks: 153567 RIPE Region origin ASes present in the Internet Routing Table: 28172 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 4016 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: 10803 Number of RIPE addresses announced to Internet: 716990464 Equivalent to 42 /8s, 188 /16s and 104 /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: 116525 Total LACNIC prefixes after maximum aggregation: 27671 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116090 Unique aggregates announced from the LACNIC address blocks: 48954 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2228 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: 8720 Number of LACNIC addresses announced to Internet: 176359936 Equivalent to 10 /8s, 131 /16s and 10 /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: 28409 Total AfriNIC prefixes after maximum aggregation: 5581 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36491 Unique aggregates announced from the AfriNIC address blocks: 11894 AfriNIC Region origin ASes present in the Internet Routing Table: 1682 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1011 Number of AfriNIC addresses announced to Internet: 107758848 Equivalent to 6 /8s, 108 /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 9056 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5935 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2442 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2236 11123 596 KIXS-AS-KR Korea Telecom, KR 24560 2206 853 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2127 425 216 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 7150 10495 2824 AMAZON-02, US 11492 4577 303 535 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3801 3068 354 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3528 1825 2530 AKAMAI-AS, US 6327 3472 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2612 370 248 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2352 4935 398 CENTURYLINK-US-LEGACY-QWEST, 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 6932 1730 144 UNI2-AS, ES 20940 4043 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2593 250 1338 M247, GB 34984 2259 358 627 TELLCOM-AS, TR 58224 1799 936 536 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 10939 3395 553 Uninet S.A. de C.V., MX 10620 3500 515 786 Telmex Colombia S.A., CO 11830 2327 369 64 Instituto Costarricense de Electricidad 13999 1988 323 508 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva 26615 985 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 1528 393 21 LINKdotNET-AS, EG 24835 1504 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 980 68 38 ORANGE-COTE-IVOIRE, CI 36935 809 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 16 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 10939 3395 553 Uninet S.A. de C.V., MX 9808 9056 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7150 10495 2824 AMAZON-02, US 12479 6932 1730 144 UNI2-AS, ES 7545 5935 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4577 303 535 CABLEONE, US 20940 4043 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 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 9056 9009 CHINAMOBILE-CN China Mobile Communications Grou 12479 6932 6788 UNI2-AS, ES 7545 5935 5237 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7150 4326 AMAZON-02, US 11492 4577 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4043 3851 AKAMAI-ASN1, NL 7552 3572 3552 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:101 /12:297 /13:588 /14:1204 /15:2093 /16:13449 /17:8261 /18:13779 /19:24676 /20:43156 /21:50885 /22:107776 /23:95705 /24:531192 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5924 6932 UNI2-AS, ES 8151 4673 10939 Uninet S.A. de C.V., MX 11492 3494 4577 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3282 3472 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2816 3801 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2269 2612 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1925 2:1014 3:162 4:5 5:3883 6:116 7:6 8:1561 9:1 11:173 12:1635 13:342 14:2354 15:258 16:52 17:361 18:297 20:244 21:4 22:188 23:5922 24:2444 25:6 27:2662 29:19 31:2415 32:91 34:7 35:88 36:1882 37:4471 38:3511 39:739 40:154 41:3912 42:1136 43:2213 44:291 45:16103 46:4160 47:300 49:1707 50:1928 51:240 52:1489 54:385 55:832 56:8 57:64 58:1718 59:1111 60:984 61:2302 62:2535 63:1915 64:5577 65:2303 66:4849 67:2970 68:1209 69:4124 70:1304 71:683 72:3019 74:2635 75:1438 76:585 77:2256 78:1868 79:3129 80:2066 81:1659 82:1493 83:1200 84:1367 85:2938 86:725 87:1900 88:1163 89:3417 90:565 91:7629 92:2050 93:2536 94:3530 95:3863 96:1308 97:351 98:1032 99:721 100:75 101:1296 102:2312 103:29793 104:4550 105:472 106:888 107:2541 108:884 109:4327 110:1993 111:3278 112:2038 113:1473 114:1490 115:1986 116:1883 117:2480 118:2318 119:1822 120:1707 121:1010 122:2519 123:2087 124:1511 125:2081 128:1169 129:1014 130:999 131:2030 132:808 133:377 134:1938 135:297 136:864 137:873 138:2517 139:1511 140:987 141:1454 142:1328 143:1426 144:1196 145:339 146:1846 147:1511 148:2209 149:1827 150:864 151:1099 152:1942 153:467 154:3755 155:1426 156:1684 157:1281 158:1040 159:2195 160:2529 161:1334 162:3493 163:1394 164:1657 165:1651 166:783 167:1764 168:3794 169:868 170:4531 171:842 172:3347 173:3114 174:1017 175:1156 176:3598 177:4757 178:3571 179:2147 180:2365 181:3278 182:3188 183:1933 184:2362 185:19701 186:4619 187:3897 188:4002 189:3438 190:8994 191:1475 192:10970 193:8686 194:7136 195:5050 196:3041 197:2456 198:5934 199:6011 200:7616 201:5797 202:10126 203:9992 204:4500 205:3471 206:3719 207:3393 208:4040 209:4694 210:4116 211:2289 212:4042 213:3481 214:1122 215:66 216:6373 217:2625 218:1270 219:400 220:1753 221:921 222:659 223:1970 End of report