IPv4 R&E Routing Table Report 20:15 GMT Tue 28 Nov, 2023 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 256397 Prefixes after maximum aggregation (per Origin AS): 113483 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138335 Number of IPv4 prefixes with a valid ROA: 95584 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 160770 Total ASes present in the Internet Routing Table: 20768 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 18074 Origin ASes announcing only one prefix: 8045 Transit ASes present in the Internet Routing Table: 2694 Transit-only ASes present in the Internet Routing Table: 671 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 31 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 434 Number of instances of unregistered ASNs: 434 Number of 32-bit ASNs allocated by the RIRs: 43119 Number of 32-bit ASNs visible in the Routing Table: 7518 Prefixes from 32-bit ASNs in the Routing Table: 26939 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 136 Number of addresses announced to Internet: 1487879465 Equivalent to 88 /8s, 175 /16s and 61 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 86653 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30699 Total APNIC prefixes after maximum aggregation: 7297 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30171 Unique aggregates announced from the APNIC address blocks: 8361 APNIC Region origin ASes present in the Internet Routing Table: 1192 APNIC Prefixes per ASN: 25.31 APNIC Region origin ASes announcing only one prefix: 478 APNIC Region transit ASes present in the Internet Routing Table: 201 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 521 Number of APNIC addresses announced to Internet: 213410184 Equivalent to 12 /8s, 184 /16s and 97 /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, 131072-153913 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: 118924 Total ARIN prefixes after maximum aggregation: 62300 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118893 Unique aggregates announced from the ARIN address blocks: 68946 ARIN Region origin ASes present in the Internet Routing Table: 9633 ARIN Prefixes per ASN: 12.34 ARIN Region origin ASes announcing only one prefix: 3966 ARIN Region transit ASes present in the Internet Routing Table: 859 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2039 Number of ARIN addresses announced to Internet: 841949601 Equivalent to 50 /8s, 47 /16s and 33 /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: 56266 Total RIPE prefixes after maximum aggregation: 28079 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 55240 Unique aggregates announced from the RIPE address blocks: 37234 RIPE Region origin ASes present in the Internet Routing Table: 5163 RIPE Prefixes per ASN: 10.70 RIPE Region origin ASes announcing only one prefix: 2206 RIPE Region transit ASes present in the Internet Routing Table: 708 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1961 Number of RIPE addresses announced to Internet: 303991552 Equivalent to 18 /8s, 30 /16s and 139 /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 196608-216475 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: 41678 Total LACNIC prefixes after maximum aggregation: 13111 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 41087 Unique aggregates announced from the LACNIC address blocks: 19656 LACNIC Region origin ASes present in the Internet Routing Table: 3707 LACNIC Prefixes per ASN: 11.08 LACNIC Region origin ASes announcing only one prefix: 1305 LACNIC Region transit ASes present in the Internet Routing Table: 741 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2886 Number of LACNIC addresses announced to Internet: 87811840 Equivalent to 5 /8s, 59 /16s and 231 /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: 8396 Total AfriNIC prefixes after maximum aggregation: 2396 AfriNIC Deaggregation factor: 3.50 Prefixes being announced from the AfriNIC address blocks: 10870 Unique aggregates announced from the AfriNIC address blocks: 4011 AfriNIC Region origin ASes present in the Internet Routing Table: 240 AfriNIC Prefixes per ASN: 45.29 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 111 Number of AfriNIC addresses announced to Internet: 40573952 Equivalent to 2 /8s, 107 /16s and 28 /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 9542 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1498 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1415 826 105 CMNET-JIANGSU-AP China Mobile communica 24547 761 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 674 4270 56 CTTNET China TieTong Telecommunications 2907 603 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9344 11142 3297 AMAZON-02, US 22773 3505 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3009 3861 1428 DNIC-ASBLK-00306-00371, US 7018 2590 23619 1605 ATT-INTERNET4, US 5650 1957 2744 1317 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1837 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1744 3065 423 CELLCO-PART, US 209 1716 4899 332 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 1595 141 1259 AKAMAI-ASN1, NL 58224 1123 666 680 TCI, IR 3215 916 4899 290 France Telecom - Orange, FR 61317 896 60 769 ASDETUK www.heficed.com, US 8452 890 1841 14 TE-AS TE-AS, EG 25019 837 1035 152 SAUDINETSTC-AS, SA 34984 782 94 496 TELLCOM-AS, TR 8386 706 108 244 KOCNET, TR 8376 678 54 17 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5771 1655 1004 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1874 265 1235 Telmex Colombia S.A., CO 3816 1306 785 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 908 147 399 Techtel LMDS Comunicaciones Interactiva 28006 606 75 276 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 2965 47 TELEFONICA BRASIL S.A, BR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1176 388 22 LINKdotNET-AS, EG 24835 1012 457 25 RAYA-AS, EG 36935 673 520 41 Vodafone-, EG 36992 656 950 346 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 410 35 175 WANANCHI-, KE 29571 388 37 161 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 248 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9542 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9344 11142 3297 AMAZON-02, US 8151 5771 1655 1004 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3505 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3009 3861 1428 DNIC-ASBLK-00306-00371, US 7018 2590 23619 1605 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 5650 1957 2744 1317 FRONTIER-FRTR, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 9344 6047 AMAZON-02, US 8151 5771 4767 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3505 3209 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1837 1614 ATLANTICBB-JOHNSTOWN, US 367 3009 1581 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1498 1464 CMNET-HUNAN-AP China Mobile communications corp 209 1716 1384 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 Transit: 2914 NTT-LTD-2914, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:13 /9:8 /10:29 /11:45 /12:127 /13:188 /14:500 /15:1001 /16:7440 /17:3498 /18:4045 /19:7842 /20:12269 /21:15409 /22:28741 /23:29021 /24:145942 /25:84 /26:62 /27:71 /28:18 /29:22 /30:16 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3038 5771 UNINET, MX 22773 2563 3505 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1920 9344 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1382 1957 FRONTIER-FRTR, US 7018 1155 2590 ATT-INTERNET4, US 10620 1127 1874 Telmex Colombia S.A., CO 209 967 1716 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:13 2:537 3:244 4:5 5:1321 6:151 7:5 8:732 11:171 12:1096 13:316 14:102 15:282 16:166 17:6 18:634 20:240 21:4 22:188 23:2378 24:756 25:2 27:25 29:19 31:426 32:39 34:2 35:56 36:1058 37:940 38:1318 39:502 40:61 41:874 42:21 43:204 44:42 45:3412 46:861 47:218 49:13 50:355 51:479 52:1387 54:354 55:874 56:5 57:24 58:34 59:32 60:18 61:70 62:590 63:881 64:2061 65:1145 66:2268 67:958 68:639 69:1207 70:500 71:265 72:716 74:1048 75:435 76:225 77:333 78:572 79:255 80:403 81:345 82:310 83:161 84:368 85:434 86:213 87:275 88:231 89:668 90:91 91:950 92:491 93:939 94:657 95:1246 96:281 97:72 98:538 99:163 100:45 101:26 102:299 103:1223 104:1420 105:67 106:42 107:1387 108:532 109:335 110:37 111:1733 112:469 113:43 114:32 115:18 116:43 117:951 118:63 119:125 120:1081 121:41 122:91 123:80 124:55 125:17 128:451 129:375 130:613 131:1101 132:551 133:267 134:459 135:124 136:410 137:549 138:876 139:533 140:576 141:260 142:786 143:674 144:374 145:89 146:599 147:423 148:690 149:704 150:295 151:556 152:519 153:146 154:660 155:767 156:648 157:317 158:445 159:670 160:663 161:637 162:951 163:407 164:662 165:570 166:588 167:623 168:1404 169:177 170:1563 171:99 172:1324 173:827 174:284 175:40 176:827 177:861 178:387 179:676 180:52 181:1596 182:15 183:878 184:506 185:3460 186:1798 187:849 188:815 189:1249 190:4171 191:311 192:4936 193:1955 194:1438 195:1139 196:926 197:609 198:2602 199:3155 200:3206 201:3208 202:1086 203:638 204:2249 205:1850 206:1642 207:1439 208:1435 209:1927 210:333 211:452 212:1042 213:858 214:1062 215:64 216:2523 217:612 218:521 219:23 220:29 221:289 222:33 223:623 End of report