IPv4 R&E Routing Table Report 23:05 GMT Thu 15 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: 893176 Prefixes after maximum aggregation (per Origin AS): 339911 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439287 Number of IPv4 prefixes with a valid ROA: 349751 Number of IPv4 prefixes with an invalid ROA: 1439 Number of IPv4 prefixes with no ROA: 541986 Total ASes present in the Internet Routing Table: 73475 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63134 Origin ASes announcing only one prefix: 25991 Transit ASes present in the Internet Routing Table: 10341 Transit-only ASes present in the Internet Routing Table: 406 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: 1042 Number of instances of unregistered ASNs: 1043 Number of 32-bit ASNs allocated by the RIRs: 40172 Number of 32-bit ASNs visible in the Routing Table: 33294 Prefixes from 32-bit ASNs in the Routing Table: 159637 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: 541 Number of addresses announced to Internet: 3068089856 Equivalent to 182 /8s, 223 /16s and 86 /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: 300270 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230909 Total APNIC prefixes after maximum aggregation: 66856 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225819 Unique aggregates announced from the APNIC address blocks: 96339 APNIC Region origin ASes present in the Internet Routing Table: 12864 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3714 APNIC Region transit ASes present in the Internet Routing Table: 1742 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: 8161 Number of APNIC addresses announced to Internet: 772883712 Equivalent to 46 /8s, 17 /16s and 69 /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: 263977 Total ARIN prefixes after maximum aggregation: 120721 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264671 Unique aggregates announced from the ARIN address blocks: 128016 ARIN Region origin ASes present in the Internet Routing Table: 18994 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 6942 ARIN Region transit ASes present in the Internet Routing Table: 1859 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: 4595 Number of ARIN addresses announced to Internet: 1292432640 Equivalent to 77 /8s, 8 /16s and 245 /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: 252489 Total RIPE prefixes after maximum aggregation: 118277 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249780 Unique aggregates announced from the RIPE address blocks: 153611 RIPE Region origin ASes present in the Internet Routing Table: 28163 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 4004 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: 10805 Number of RIPE addresses announced to Internet: 718321152 Equivalent to 42 /8s, 208 /16s and 182 /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: 116305 Total LACNIC prefixes after maximum aggregation: 27700 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115895 Unique aggregates announced from the LACNIC address blocks: 48946 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2229 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: 8718 Number of LACNIC addresses announced to Internet: 176399616 Equivalent to 10 /8s, 131 /16s and 165 /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: 28454 Total AfriNIC prefixes after maximum aggregation: 5587 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36470 Unique aggregates announced from the AfriNIC address blocks: 11914 AfriNIC Region origin ASes present in the Internet Routing Table: 1685 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 322 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: 1015 Number of AfriNIC addresses announced to Internet: 107761408 Equivalent to 6 /8s, 108 /16s and 79 /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 5910 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 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 2444 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11123 598 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 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 7168 10498 2833 AMAZON-02, US 11492 4541 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3798 3068 354 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3529 1826 2531 AKAMAI-AS, US 6327 3464 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2616 370 236 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2533 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 6913 1730 144 UNI2-AS, ES 20940 4053 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2776 355 21 UKRTELNET, UA 9009 2591 250 1336 M247, GB 34984 2254 358 631 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 3394 560 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 1996 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 1277 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 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 1556 393 21 LINKdotNET-AS, EG 24835 1504 521 31 RAYA-AS, EG 36992 1346 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 988 68 32 ORANGE-COTE-IVOIRE, CI 36935 809 520 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 3394 560 Uninet S.A. de C.V., MX 9808 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7168 10498 2833 AMAZON-02, US 12479 6913 1730 144 UNI2-AS, ES 7545 5910 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4541 301 591 CABLEONE, US 20940 4053 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 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 6913 6769 UNI2-AS, ES 7545 5910 5216 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7168 4335 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4541 3950 CABLEONE, US 8551 3986 3948 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4053 3861 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 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 /14:1203 /15:2091 /16:13458 /17:8258 /18:13785 /19:24686 /20:43123 /21:50876 /22:107827 /23:95749 /24:531061 /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 5910 6913 UNI2-AS, ES 8151 4687 10949 Uninet S.A. de C.V., MX 11492 3461 4541 CABLEONE, US 8551 3450 3986 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 2813 3798 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2632 2776 UKRTELNET, UA 30036 2273 2616 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1899 2:1016 3:163 4:5 5:3885 6:116 7:6 8:1562 9:1 11:173 12:1633 13:340 14:2357 15:263 16:50 17:361 18:309 20:244 21:4 22:188 23:5944 24:2444 25:6 27:2664 29:19 31:2410 32:91 34:7 35:88 36:1883 37:4486 38:3526 39:741 40:155 41:3910 42:1139 43:2236 44:290 45:16086 46:4173 47:301 48:1 49:1706 50:1927 51:241 52:1492 54:385 55:832 56:8 57:65 58:1725 59:1110 60:983 61:2304 62:2534 63:1914 64:5578 65:2301 66:4838 67:2968 68:1206 69:4139 70:1305 71:685 72:2994 74:2634 75:1455 76:588 77:2257 78:1866 79:3132 80:2062 81:1661 82:1497 83:1201 84:1373 85:2943 86:724 87:1907 88:1156 89:3413 90:557 91:7636 92:2050 93:2542 94:3530 95:3873 96:1308 97:351 98:1032 99:721 100:75 101:1298 102:2310 103:29823 104:4553 105:472 106:888 107:2539 108:888 109:4326 110:1988 111:3279 112:2038 113:1476 114:1489 115:1979 116:1882 117:2480 118:2322 119:1826 120:1707 121:1008 122:2519 123:2084 124:1511 125:2082 128:1164 129:1015 130:996 131:2025 132:776 133:377 134:1941 135:297 136:863 137:875 138:2509 139:1512 140:988 141:1454 142:1334 143:1406 144:1197 145:345 146:1842 147:1511 148:2190 149:1799 150:866 151:1101 152:1942 153:467 154:3764 155:1422 156:1688 157:1281 158:1036 159:2187 160:2533 161:1333 162:3487 163:1396 164:1662 165:1652 166:787 167:1736 168:3787 169:870 170:4515 171:842 172:3358 173:3115 174:1018 175:1160 176:3603 177:4715 178:3566 179:2138 180:2364 181:3280 182:3187 183:1934 184:2358 185:19689 186:4597 187:3926 188:4014 189:3457 190:8958 191:1487 192:10973 193:8692 194:7126 195:5039 196:2975 197:2456 198:5937 199:6006 200:7609 201:5792 202:10125 203:9999 204:4497 205:3447 206:3760 207:3390 208:4039 209:4697 210:4114 211:2289 212:4037 213:3482 214:1118 215:66 216:6388 217:2626 218:1265 219:400 220:1750 221:921 222:656 223:1970 End of report