IPv4 R&E Routing Table Report 20:15 GMT Wed 20 Mar, 2024 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: 182928 Prefixes after maximum aggregation (per Origin AS): 79667 Deaggregation factor: 2.30 Unique aggregates announced (without unneeded subnets): 99934 Number of IPv4 prefixes with a valid ROA: 69644 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 113265 Total ASes present in the Internet Routing Table: 15574 Prefixes per ASN: 11.75 Origin-only ASes present in the Internet Routing Table: 13448 Origin ASes announcing only one prefix: 6137 Transit ASes present in the Internet Routing Table: 2126 Transit-only ASes present in the Internet Routing Table: 572 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 218 Number of instances of unregistered ASNs: 218 Number of 32-bit ASNs allocated by the RIRs: 43867 Number of 32-bit ASNs visible in the Routing Table: 5668 Prefixes from 32-bit ASNs in the Routing Table: 18658 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: 97 Number of addresses announced to Internet: 1025548729 Equivalent to 61 /8s, 32 /16s and 161 /24s Percentage of available address space announced: 27.7 Percentage of allocated address space announced: 27.7 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: 53195 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28796 Total APNIC prefixes after maximum aggregation: 6508 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28531 Unique aggregates announced from the APNIC address blocks: 7631 APNIC Region origin ASes present in the Internet Routing Table: 1100 APNIC Prefixes per ASN: 25.94 APNIC Region origin ASes announcing only one prefix: 439 APNIC Region transit ASes present in the Internet Routing Table: 180 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: 476 Number of APNIC addresses announced to Internet: 157618312 Equivalent to 9 /8s, 101 /16s and 16 /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: 82420 Total ARIN prefixes after maximum aggregation: 44716 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81312 Unique aggregates announced from the ARIN address blocks: 50527 ARIN Region origin ASes present in the Internet Routing Table: 7196 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3075 ARIN Region transit ASes present in the Internet Routing Table: 644 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1470 Number of ARIN addresses announced to Internet: 605487713 Equivalent to 36 /8s, 23 /16s and 2 /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: 34615 Total RIPE prefixes after maximum aggregation: 16304 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35083 Unique aggregates announced from the RIPE address blocks: 22977 RIPE Region origin ASes present in the Internet Routing Table: 3251 RIPE Prefixes per ASN: 10.79 RIPE Region origin ASes announcing only one prefix: 1402 RIPE Region transit ASes present in the Internet Routing Table: 511 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1197 Number of RIPE addresses announced to Internet: 157353936 Equivalent to 9 /8s, 97 /16s and 7 /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: 32215 Total LACNIC prefixes after maximum aggregation: 10183 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31944 Unique aggregates announced from the LACNIC address blocks: 15865 LACNIC Region origin ASes present in the Internet Routing Table: 3116 LACNIC Prefixes per ASN: 10.25 LACNIC Region origin ASes announcing only one prefix: 1124 LACNIC Region transit ASes present in the Internet Routing Table: 628 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2396 Number of LACNIC addresses announced to Internet: 73312512 Equivalent to 4 /8s, 94 /16s and 169 /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: 4664 Total AfriNIC prefixes after maximum aggregation: 1777 AfriNIC Deaggregation factor: 2.62 Prefixes being announced from the AfriNIC address blocks: 5961 Unique aggregates announced from the AfriNIC address blocks: 2845 AfriNIC Region origin ASes present in the Internet Routing Table: 244 AfriNIC Prefixes per ASN: 24.43 AfriNIC Region origin ASes announcing only one prefix: 97 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 129 Number of AfriNIC addresses announced to Internet: 31721216 Equivalent to 1 /8s, 228 /16s and 7 /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 9665 8740 59 CHINAMOBILE-CN China Mobile Communicati 56047 1477 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1442 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 435 488 107 CMNET-GUANGDONG-AP China Mobile communi 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 9752 11356 3385 AMAZON-02, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2930 3635 1400 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1697 4898 316 CENTURYLINK-US-LEGACY-QWEST, US 4155 1544 100 1151 USDA-1, US 5972 1428 397 639 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 863 403 794 AKAMAI-AS, 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1310 114 1070 AKAMAI-ASN1, NL 3215 898 4818 295 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 58224 558 244 384 TCI, IR 8452 542 1841 11 TE-AS TE-AS, EG 51167 439 81 186 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 35819 413 411 72 MOBILY-AS Etihad Etisalat Company Mobil 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 5128 1369 836 UNINET, MX 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 995 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 569 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 UNIFIQUE TELECOMUNICACOES SA, 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 655 239 194 LINKdotNET-AS, EG 36992 439 644 278 ETISALAT-MISR, EG 2018 377 319 70 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 37282 163 26 6 MAINONE, NG 327687 163 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN 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 16509 9752 11356 3385 AMAZON-02, US 9808 9665 8740 59 CHINAMOBILE-CN China Mobile Communicati 8151 5128 1369 836 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3191 54916 2443 DNIC-AS-00749, US 367 2930 3635 1400 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1697 4898 316 CENTURYLINK-US-LEGACY-QWEST, US 4155 1544 100 1151 USDA-1, US 56047 1477 188 34 CMNET-HUNAN-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9665 9606 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5128 4292 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2930 1530 DNIC-ASBLK-00306-00371, US 56047 1477 1443 CMNET-HUNAN-AP China Mobile communications corp 209 1697 1381 CENTURYLINK-US-LEGACY-QWEST, US 56041 1442 1369 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1313 1119 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 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 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 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.244.0/23 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 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 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 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 /8:11 /9:4 /10:14 /11:25 /12:74 /13:115 /14:336 /15:674 /16:5278 /17:2511 /18:2592 /19:5253 /20:8579 /21:10775 /22:19670 /23:20205 /24:106547 /25:81 /26:51 /27:74 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2861 5128 UNINET, MX 16509 2048 9752 AMAZON-02, US 209 958 1697 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1857 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 691 830 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 560 720 Jordan Data Communications, JO 7979 446 997 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:383 3:285 5:1061 6:148 7:5 8:623 11:171 12:256 13:322 14:100 15:281 16:174 17:6 18:701 20:33 21:4 22:188 23:1808 24:403 25:2 27:31 29:19 31:143 32:1 34:5 35:53 36:1138 37:509 38:829 39:523 40:8 41:554 42:17 43:184 44:28 45:2303 46:539 47:101 49:19 50:251 51:469 52:1349 54:272 55:972 57:15 58:5 59:33 60:19 61:62 62:327 63:463 64:1429 65:792 66:1224 67:673 68:164 69:712 70:147 71:190 72:370 74:725 75:385 76:208 77:258 78:492 79:161 80:199 81:184 82:172 83:95 84:185 85:321 86:146 87:140 88:121 89:449 90:98 91:502 92:392 93:765 94:523 95:1075 96:162 97:31 98:125 99:146 100:22 101:25 102:282 103:1042 104:689 105:29 106:78 107:219 108:297 109:221 110:24 111:1753 112:449 113:40 114:32 115:11 116:31 117:945 118:50 119:96 120:1092 121:31 122:81 123:21 124:57 125:12 128:360 129:321 130:474 131:777 132:503 133:264 134:330 135:65 136:374 137:447 138:732 139:392 140:575 141:321 142:694 143:581 144:321 145:59 146:455 147:318 148:613 149:511 150:290 151:492 152:370 153:117 154:511 155:661 156:363 157:227 158:319 159:527 160:335 161:414 162:698 163:293 164:617 165:365 166:102 167:384 168:979 169:153 170:1238 171:61 172:893 173:616 174:105 175:46 176:386 177:768 178:328 179:514 180:43 181:1004 182:19 183:855 184:201 185:2048 186:991 187:796 188:494 189:1096 190:2913 191:185 192:3668 193:1168 194:765 195:550 196:466 197:426 198:1906 199:3344 200:2753 201:2586 202:944 203:590 204:1767 205:1640 206:1130 207:1049 208:971 209:1420 210:304 211:422 212:672 213:540 214:1045 215:43 216:1681 217:284 218:515 219:19 220:30 221:300 222:17 223:634 End of report