IPv4 R&E Routing Table Report 23:05 GMT Tue 23 Aug, 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: 891361 Prefixes after maximum aggregation (per Origin AS): 339218 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438571 Number of IPv4 prefixes with a valid ROA: 346853 Number of IPv4 prefixes with an invalid ROA: 1415 Number of IPv4 prefixes with no ROA: 543093 Total ASes present in the Internet Routing Table: 73387 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 62995 Origin ASes announcing only one prefix: 25962 Transit ASes present in the Internet Routing Table: 10392 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 947 Number of instances of unregistered ASNs: 947 Number of 32-bit ASNs allocated by the RIRs: 40033 Number of 32-bit ASNs visible in the Routing Table: 33173 Prefixes from 32-bit ASNs in the Routing Table: 158059 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 508 Number of addresses announced to Internet: 3067880192 Equivalent to 182 /8s, 220 /16s and 35 /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: 299630 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230246 Total APNIC prefixes after maximum aggregation: 66724 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225584 Unique aggregates announced from the APNIC address blocks: 96374 APNIC Region origin ASes present in the Internet Routing Table: 12804 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3702 APNIC Region transit ASes present in the Internet Routing Table: 1751 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8100 Number of APNIC addresses announced to Internet: 772629248 Equivalent to 46 /8s, 13 /16s and 99 /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: 263269 Total ARIN prefixes after maximum aggregation: 120456 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263558 Unique aggregates announced from the ARIN address blocks: 127538 ARIN Region origin ASes present in the Internet Routing Table: 18980 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6922 ARIN Region transit ASes present in the Internet Routing Table: 1853 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4571 Number of ARIN addresses announced to Internet: 1293572608 Equivalent to 77 /8s, 26 /16s and 90 /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: 252431 Total RIPE prefixes after maximum aggregation: 118165 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249561 Unique aggregates announced from the RIPE address blocks: 153160 RIPE Region origin ASes present in the Internet Routing Table: 28173 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12063 RIPE Region transit ASes present in the Internet Routing Table: 4036 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: 10786 Number of RIPE addresses announced to Internet: 717613824 Equivalent to 42 /8s, 197 /16s and 235 /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: 116159 Total LACNIC prefixes after maximum aggregation: 27625 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115798 Unique aggregates announced from the LACNIC address blocks: 48996 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2242 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: 8712 Number of LACNIC addresses announced to Internet: 176360960 Equivalent to 10 /8s, 131 /16s and 14 /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: 28309 Total AfriNIC prefixes after maximum aggregation: 5515 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36352 Unique aggregates announced from the AfriNIC address blocks: 12068 AfriNIC Region origin ASes present in the Internet Routing Table: 1673 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 589 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: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1004 Number of AfriNIC addresses announced to Internet: 107423744 Equivalent to 6 /8s, 103 /16s and 40 /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 9105 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5924 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3582 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3518 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2260 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2187 851 407 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 6843 10398 2734 AMAZON-02, US 11492 4534 301 577 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3818 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3468 1790 2504 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2604 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2529 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2336 4936 404 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 6876 1730 144 UNI2-AS, ES 20940 4056 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2716 355 21 UKRTELNET, UA 9009 2588 252 1324 M247, GB 34984 2250 358 633 TELLCOM-AS, TR 58224 1768 927 523 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 10864 3393 557 Uninet S.A. de C.V., MX 10620 3507 516 779 Telmex Colombia S.A., CO 11830 2339 369 64 Instituto Costarricense de Electricidad 13999 1965 319 518 Mega Cable, S.A. de C.V., MX 28573 1359 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1272 699 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 369 21 Telefonica del Peru S.A.A., PE 11664 1049 179 466 Techtel LMDS Comunicaciones Interactiva 26615 979 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 1606 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 990 67 42 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 520 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 10864 3393 557 Uninet S.A. de C.V., MX 9808 9105 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6876 1730 144 UNI2-AS, ES 16509 6843 10398 2734 AMAZON-02, US 7545 5924 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4534 301 577 CABLEONE, US 20940 4056 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 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 9105 9058 CHINAMOBILE-CN China Mobile Communications Grou 12479 6876 6732 UNI2-AS, ES 7545 5924 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6843 4109 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4534 3957 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4056 3862 AKAMAI-ASN1, NL 7552 3582 3562 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 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 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.140.88.0/24 Origin: 62164 HEYMMAN-2, CA 23.140.88.0/24 Transit: 32097 WII, 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 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 /12:302 /13:592 /14:1204 /15:2097 /16:13473 /17:8273 /18:13804 /19:24748 /20:43106 /21:50786 /22:107717 /23:95581 /24:529504 /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 5862 6876 UNI2-AS, ES 8151 4593 10864 Uninet S.A. de C.V., MX 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3450 4534 CABLEONE, US 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2834 3818 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2573 2716 UKRTELNET, UA 30036 2260 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1946 2:1025 3:157 4:5 5:3845 6:114 7:6 8:1539 9:1 11:172 12:1646 13:337 14:2354 15:243 16:46 17:379 18:192 20:243 21:4 22:188 23:5851 24:2394 25:6 27:2634 29:19 31:2414 32:92 34:7 35:87 36:1865 37:4435 38:3439 39:723 40:149 41:3939 42:1132 43:2196 44:290 45:16076 46:4142 47:302 49:1721 50:1960 51:239 52:1460 54:385 55:821 56:8 57:61 58:1725 59:1113 60:976 61:2286 62:2541 63:1920 64:5561 65:2356 66:4830 67:2958 68:1205 69:4136 70:1314 71:681 72:3023 74:2637 75:1396 76:585 77:2240 78:1905 79:3123 80:2029 81:1631 82:1483 83:1209 84:1364 85:2967 86:736 87:1901 88:1183 89:3393 90:546 91:7616 92:2023 93:2541 94:3509 95:3882 96:1298 97:350 98:1022 99:720 100:77 101:1290 102:2261 103:29640 104:4538 105:472 106:887 107:2543 108:874 109:4317 110:1999 111:3289 112:2051 113:1472 114:1477 115:1988 116:1886 117:2479 118:2314 119:1837 120:1759 121:1024 122:2505 123:2067 124:1539 125:2068 128:1181 129:1029 130:1002 131:2056 132:798 133:378 134:1932 135:300 136:854 137:875 138:2492 139:1509 140:924 141:1438 142:1316 143:1411 144:1198 145:336 146:1831 147:1501 148:2213 149:1775 150:857 151:1080 152:1873 153:465 154:3637 155:1461 156:1717 157:1279 158:1039 159:2201 160:2519 161:1323 162:3494 163:1364 164:1627 165:1646 166:772 167:1777 168:3804 169:871 170:4510 171:836 172:3311 173:3119 174:1020 175:1152 176:3621 177:4708 178:3560 179:2198 180:2375 181:3232 182:3198 183:1937 184:2378 185:19620 186:4513 187:3846 188:3975 189:3398 190:9001 191:1460 192:10944 193:8684 194:7083 195:5047 196:3053 197:2433 198:5961 199:6018 200:7562 201:5778 202:10103 203:9980 204:4515 205:3426 206:3686 207:3391 208:4053 209:4684 210:4142 211:2298 212:4005 213:3469 214:1136 215:66 216:6377 217:2638 218:1267 219:404 220:1750 221:949 222:655 223:1968 End of report