IPv4 R&E Routing Table Report 20:15 GMT Mon 20 May, 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: 191614 Prefixes after maximum aggregation (per Origin AS): 85061 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 106022 Number of IPv4 prefixes with a valid ROA: 75399 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 116196 Total ASes present in the Internet Routing Table: 16061 Prefixes per ASN: 11.93 Origin-only ASes present in the Internet Routing Table: 13871 Origin ASes announcing only one prefix: 6374 Transit ASes present in the Internet Routing Table: 2190 Transit-only ASes present in the Internet Routing Table: 588 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 248 Number of instances of unregistered ASNs: 248 Number of 32-bit ASNs allocated by the RIRs: 44497 Number of 32-bit ASNs visible in the Routing Table: 5734 Prefixes from 32-bit ASNs in the Routing Table: 19703 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: 107 Number of addresses announced to Internet: 1120020765 Equivalent to 66 /8s, 194 /16s and 41 /24s Percentage of available address space announced: 30.3 Percentage of allocated address space announced: 30.3 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: 56517 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30478 Total APNIC prefixes after maximum aggregation: 7280 APNIC Deaggregation factor: 4.19 Prefixes being announced from the APNIC address blocks: 29985 Unique aggregates announced from the APNIC address blocks: 8295 APNIC Region origin ASes present in the Internet Routing Table: 1196 APNIC Prefixes per ASN: 25.07 APNIC Region origin ASes announcing only one prefix: 487 APNIC Region transit ASes present in the Internet Routing Table: 205 Average APNIC Region AS path length visible: 7.2 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 530 Number of APNIC addresses announced to Internet: 201417196 Equivalent to 12 /8s, 1 /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: 89218 Total ARIN prefixes after maximum aggregation: 48724 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87844 Unique aggregates announced from the ARIN address blocks: 54656 ARIN Region origin ASes present in the Internet Routing Table: 7496 ARIN Prefixes per ASN: 11.72 ARIN Region origin ASes announcing only one prefix: 3245 ARIN Region transit ASes present in the Internet Routing Table: 681 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: 1553 Number of ARIN addresses announced to Internet: 655976545 Equivalent to 39 /8s, 25 /16s and 104 /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, 393216-402332 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: 36948 Total RIPE prefixes after maximum aggregation: 17511 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 37680 Unique aggregates announced from the RIPE address blocks: 25339 RIPE Region origin ASes present in the Internet Routing Table: 3529 RIPE Prefixes per ASN: 10.68 RIPE Region origin ASes announcing only one prefix: 1494 RIPE Region transit ASes present in the Internet Routing Table: 543 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1302 Number of RIPE addresses announced to Internet: 162435024 Equivalent to 9 /8s, 174 /16s and 143 /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: 29993 Total LACNIC prefixes after maximum aggregation: 9415 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 29689 Unique aggregates announced from the LACNIC address blocks: 14482 LACNIC Region origin ASes present in the Internet Routing Table: 2926 LACNIC Prefixes per ASN: 10.15 LACNIC Region origin ASes announcing only one prefix: 1055 LACNIC Region transit ASes present in the Internet Routing Table: 585 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2226 Number of LACNIC addresses announced to Internet: 72547584 Equivalent to 4 /8s, 82 /16s and 253 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4729 Total AfriNIC prefixes after maximum aggregation: 1955 AfriNIC Deaggregation factor: 2.42 Prefixes being announced from the AfriNIC address blocks: 6309 Unique aggregates announced from the AfriNIC address blocks: 3153 AfriNIC Region origin ASes present in the Internet Routing Table: 228 AfriNIC Prefixes per ASN: 27.67 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 70 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 123 Number of AfriNIC addresses announced to Internet: 27552768 Equivalent to 1 /8s, 164 /16s and 108 /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 9652 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1505 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1481 874 109 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 722 10640 154 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 453 490 109 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 9893 11370 3565 AMAZON-02, US 749 3224 54904 2476 DNIC-AS-00749, US 367 2792 3441 1320 DNIC-ASBLK-00306-00371, US 11776 1862 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1820 117 1257 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 5972 1341 387 609 DNIC-ASBLK-05800-06055, US 7979 985 64 199 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 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 1296 107 1045 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 821 1044 145 SAUDINETSTC-AS, SA 8376 719 60 21 Jordan Data Communications, JO 8452 626 1841 11 TE-AS TE-AS, EG 51167 509 98 214 CONTABO, DE 35819 436 436 74 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 57878 381 31 187 PRAGER-IT, AT 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 5333 1496 746 UNINET, MX 3816 1320 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 746 1126 30 TELEFONICA BRASIL S.A, BR 26599 540 2819 83 TELEFONICA BRASIL S.A, BR 13999 490 66 213 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 22724 230 15 98 PUNTONET S.A., EC 27843 229 20 33 WIN EMPRESAS S.A.C., PE 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 630 210 256 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 29571 326 46 116 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 252 82 3 KENET-AS, KE 36992 199 259 167 ETISALAT-MISR, EG 37492 151 471 44 ORANGE-, TN 24835 149 150 88 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 24757 137 36 51 EthioNet-AS, ET 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 9893 11370 3565 AMAZON-02, US 9808 9652 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5333 1496 746 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3224 54904 2476 DNIC-AS-00749, US 367 2792 3441 1320 DNIC-ASBLK-00306-00371, US 11776 1862 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1820 117 1257 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, 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 9808 9652 9591 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5333 4587 UNINET, MX 11776 1862 1642 ATLANTICBB-JOHNSTOWN, US 367 2792 1472 DNIC-ASBLK-00306-00371, US 56047 1505 1458 CMNET-HUNAN-AP China Mobile communications corp 209 1699 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1481 1372 CMNET-JIANGSU-AP China Mobile communications co 3816 1320 1125 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 RESERVED, ZZ 41.57.124.0/24 Transit: 37204 TELONE, ZW 41.57.125.0/24 Origin: 37442 RESERVED, ZZ 41.57.125.0/24 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 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 /9:6 /10:17 /11:30 /12:93 /13:124 /14:359 /15:697 /16:5953 /17:2480 /18:2568 /19:5448 /20:8744 /21:10795 /22:19859 /23:20790 /24:113404 /25:72 /26:49 /27:65 /28:18 /29:16 /30:12 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2883 5333 UNINET, MX 16509 2120 9893 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 961 1699 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1862 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 743 884 BRSPD-PUBLIC, US 6147 681 1085 Telefonica del Peru S.A.A., PE 8376 564 719 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:380 3:342 5:1111 6:150 7:5 8:630 11:171 12:658 13:301 14:121 15:283 16:175 17:6 18:738 20:33 21:4 22:188 23:1890 24:737 25:2 27:47 29:19 31:216 32:1 34:11 35:57 36:1175 37:463 38:883 39:524 40:11 41:727 42:13 43:195 44:34 45:2433 46:637 47:98 49:9 50:280 51:476 52:1363 54:275 55:993 57:16 58:7 59:39 60:19 61:63 62:340 63:502 64:1543 65:822 66:1285 67:856 68:175 69:840 70:147 71:196 72:483 74:740 75:395 76:210 77:322 78:582 79:193 80:218 81:189 82:199 83:114 84:200 85:342 86:162 87:161 88:151 89:530 90:96 91:620 92:416 93:808 94:514 95:1114 96:374 97:34 98:138 99:151 100:23 101:25 102:219 103:1189 104:764 105:143 106:3 107:200 108:312 109:273 110:39 111:1788 112:464 113:46 114:33 115:15 116:35 117:972 118:78 119:105 120:1078 121:40 122:87 123:20 124:59 125:12 128:373 129:281 130:504 131:805 132:500 133:195 134:348 135:90 136:368 137:428 138:759 139:401 140:600 141:323 142:697 143:594 144:337 145:64 146:497 147:390 148:623 149:500 150:283 151:584 152:585 153:119 154:585 155:696 156:448 157:290 158:317 159:692 160:733 161:477 162:699 163:296 164:654 165:400 166:100 167:401 168:900 169:152 170:1241 171:66 172:911 173:816 174:171 175:41 176:412 177:701 178:328 179:501 180:55 181:1009 182:26 183:826 184:311 185:2488 186:785 187:761 188:642 189:1098 190:2717 191:228 192:3914 193:1299 194:859 195:576 196:463 197:403 198:2009 199:3682 200:2483 201:2408 202:1081 203:642 204:1796 205:1695 206:1234 207:1165 208:1016 209:1422 210:350 211:431 212:708 213:590 214:1027 215:42 216:1799 217:338 218:525 219:24 220:29 221:304 222:21 223:643 End of report