IPv4 R&E Routing Table Report 23:05 GMT Sun 18 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: 893469 Prefixes after maximum aggregation (per Origin AS): 339930 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439397 Number of IPv4 prefixes with a valid ROA: 350732 Number of IPv4 prefixes with an invalid ROA: 1483 Number of IPv4 prefixes with no ROA: 541254 Total ASes present in the Internet Routing Table: 73501 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63145 Origin ASes announcing only one prefix: 25995 Transit ASes present in the Internet Routing Table: 10356 Transit-only ASes present in the Internet Routing Table: 404 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: 1118 Number of instances of unregistered ASNs: 1119 Number of 32-bit ASNs allocated by the RIRs: 40181 Number of 32-bit ASNs visible in the Routing Table: 33319 Prefixes from 32-bit ASNs in the Routing Table: 159687 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 607 Number of addresses announced to Internet: 3067928320 Equivalent to 182 /8s, 220 /16s and 223 /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: 300350 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230850 Total APNIC prefixes after maximum aggregation: 66832 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225794 Unique aggregates announced from the APNIC address blocks: 96374 APNIC Region origin ASes present in the Internet Routing Table: 12873 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3711 APNIC Region transit ASes present in the Internet Routing Table: 1745 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8170 Number of APNIC addresses announced to Internet: 772802048 Equivalent to 46 /8s, 16 /16s and 6 /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: 263902 Total ARIN prefixes after maximum aggregation: 120739 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264634 Unique aggregates announced from the ARIN address blocks: 128048 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1860 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: 4598 Number of ARIN addresses announced to Internet: 1292407808 Equivalent to 77 /8s, 8 /16s and 148 /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: 252597 Total RIPE prefixes after maximum aggregation: 118323 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249785 Unique aggregates announced from the RIPE address blocks: 153657 RIPE Region origin ASes present in the Internet Routing Table: 28170 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 4012 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: 10807 Number of RIPE addresses announced to Internet: 718276096 Equivalent to 42 /8s, 208 /16s and 6 /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: 116467 Total LACNIC prefixes after maximum aggregation: 27660 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116035 Unique aggregates announced from the LACNIC address blocks: 48944 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2698 LACNIC Region transit ASes present in the Internet Routing Table: 2222 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: 8730 Number of LACNIC addresses announced to Internet: 176416256 Equivalent to 10 /8s, 131 /16s and 230 /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: 28535 Total AfriNIC prefixes after maximum aggregation: 5576 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36614 Unique aggregates announced from the AfriNIC address blocks: 11884 AfriNIC Region origin ASes present in the Internet Routing Table: 1683 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 324 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: 1014 Number of AfriNIC addresses announced to Internet: 107713536 Equivalent to 6 /8s, 107 /16s and 148 /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 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5911 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3370 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2445 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2207 852 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2136 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 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 7131 10489 2841 AMAZON-02, US 11492 4542 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3789 3065 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3530 1826 2532 AKAMAI-AS, US 6327 3464 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2613 370 246 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 395 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 6925 1730 144 UNI2-AS, ES 20940 4055 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2702 355 21 UKRTELNET, UA 9009 2591 250 1336 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 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 10949 3393 559 Uninet S.A. de C.V., MX 10620 3501 515 787 Telmex Colombia S.A., CO 11830 2323 369 65 Instituto Costarricense de Electricidad 13999 1998 325 510 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 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 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 1579 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 68 32 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 52 40 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 10949 3393 559 Uninet S.A. de C.V., MX 9808 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7131 10489 2841 AMAZON-02, US 12479 6925 1730 144 UNI2-AS, ES 7545 5911 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4542 301 591 CABLEONE, US 20940 4055 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 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 9052 9005 CHINAMOBILE-CN China Mobile Communications Grou 12479 6925 6781 UNI2-AS, ES 7545 5911 5217 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7131 4290 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4542 3951 CABLEONE, US 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4055 3862 AKAMAI-ASN1, NL 7552 3575 3555 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 25674 UNALLOCATED 8.12.76.0/24 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 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 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 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 /14:1203 /15:2092 /16:13474 /17:8266 /18:13779 /19:24698 /20:43148 /21:50890 /22:107878 /23:95699 /24:531282 /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 6925 UNI2-AS, ES 8151 4688 10949 Uninet S.A. de C.V., MX 11492 3462 4542 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3274 3464 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2810 3789 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2558 2702 UKRTELNET, UA 30036 2270 2613 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1903 2:1017 3:163 4:5 5:3891 6:116 7:6 8:1560 9:1 11:173 12:1634 13:338 14:2356 15:263 16:51 17:361 18:305 20:244 21:4 22:188 23:5939 24:2440 25:6 27:2662 29:19 31:2408 32:91 34:7 35:89 36:1886 37:4478 38:3530 39:741 40:155 41:3927 42:1150 43:2221 44:288 45:16131 46:4159 47:299 48:1 49:1707 50:1931 51:241 52:1491 54:385 55:833 56:8 57:65 58:1724 59:1111 60:983 61:2300 62:2542 63:1915 64:5576 65:2330 66:4843 67:2967 68:1207 69:4148 70:1309 71:685 72:2991 74:2634 75:1455 76:588 77:2258 78:1868 79:3129 80:2053 81:1647 82:1503 83:1201 84:1380 85:2940 86:726 87:1914 88:1160 89:3411 90:558 91:7591 92:2051 93:2540 94:3532 95:3859 96:1311 97:348 98:1031 99:721 100:75 101:1297 102:2314 103:29920 104:4557 105:472 106:888 107:2539 108:885 109:4302 110:1989 111:3279 112:2038 113:1477 114:1489 115:1979 116:1883 117:2479 118:2322 119:1827 120:1707 121:1009 122:2520 123:2087 124:1510 125:2079 128:1168 129:1015 130:995 131:2022 132:815 133:377 134:1936 135:297 136:787 137:880 138:2529 139:1506 140:943 141:1453 142:1334 143:1392 144:1194 145:343 146:1842 147:1514 148:2212 149:1809 150:865 151:1101 152:1943 153:467 154:3783 155:1418 156:1694 157:1284 158:1036 159:2186 160:2533 161:1334 162:3485 163:1395 164:1663 165:1655 166:787 167:1736 168:3798 169:869 170:4523 171:842 172:3363 173:3096 174:1019 175:1161 176:3596 177:4712 178:3577 179:2140 180:2365 181:3284 182:3189 183:1930 184:2356 185:19714 186:4629 187:3908 188:3998 189:3456 190:8973 191:1494 192:10971 193:8661 194:7129 195:5045 196:3054 197:2458 198:5925 199:6019 200:7607 201:5795 202:10131 203:10002 204:4511 205:3457 206:3774 207:3384 208:4041 209:4698 210:4116 211:2286 212:4039 213:3474 214:1112 215:54 216:6401 217:2627 218:1265 219:400 220:1749 221:921 222:656 223:1970 End of report