IPv4 R&E Routing Table Report 20:15 GMT Fri 24 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: 191189 Prefixes after maximum aggregation (per Origin AS): 85009 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 106003 Number of IPv4 prefixes with a valid ROA: 75663 Number of IPv4 prefixes with an invalid ROA: 16 Number of IPv4 prefixes with no ROA: 115510 Total ASes present in the Internet Routing Table: 16036 Prefixes per ASN: 11.92 Origin-only ASes present in the Internet Routing Table: 13829 Origin ASes announcing only one prefix: 6373 Transit ASes present in the Internet Routing Table: 2207 Transit-only ASes present in the Internet Routing Table: 583 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 28 Max AS path prepend of ASN ( 28683) 23 Prefixes from unregistered ASNs in the Routing Table: 252 Number of instances of unregistered ASNs: 254 Number of 32-bit ASNs allocated by the RIRs: 44555 Number of 32-bit ASNs visible in the Routing Table: 5754 Prefixes from 32-bit ASNs in the Routing Table: 20108 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 103 Number of addresses announced to Internet: 1121227933 Equivalent to 66 /8s, 212 /16s and 148 /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: 56032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30499 Total APNIC prefixes after maximum aggregation: 7301 APNIC Deaggregation factor: 4.18 Prefixes being announced from the APNIC address blocks: 29953 Unique aggregates announced from the APNIC address blocks: 8246 APNIC Region origin ASes present in the Internet Routing Table: 1167 APNIC Prefixes per ASN: 25.67 APNIC Region origin ASes announcing only one prefix: 480 APNIC Region transit ASes present in the Internet Routing Table: 206 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: 517 Number of APNIC addresses announced to Internet: 201479020 Equivalent to 12 /8s, 2 /16s and 83 /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: 88730 Total ARIN prefixes after maximum aggregation: 48498 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87407 Unique aggregates announced from the ARIN address blocks: 54481 ARIN Region origin ASes present in the Internet Routing Table: 7483 ARIN Prefixes per ASN: 11.68 ARIN Region origin ASes announcing only one prefix: 3244 ARIN Region transit ASes present in the Internet Routing Table: 684 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: 1556 Number of ARIN addresses announced to Internet: 655967073 Equivalent to 39 /8s, 25 /16s and 67 /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: 37414 Total RIPE prefixes after maximum aggregation: 17675 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 38142 Unique aggregates announced from the RIPE address blocks: 25605 RIPE Region origin ASes present in the Internet Routing Table: 3523 RIPE Prefixes per ASN: 10.83 RIPE Region origin ASes announcing only one prefix: 1494 RIPE Region transit ASes present in the Internet Routing Table: 540 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: 1299 Number of RIPE addresses announced to Internet: 163602896 Equivalent to 9 /8s, 192 /16s and 97 /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: 29563 Total LACNIC prefixes after maximum aggregation: 9414 LACNIC Deaggregation factor: 3.14 Prefixes being announced from the LACNIC address blocks: 29246 Unique aggregates announced from the LACNIC address blocks: 14400 LACNIC Region origin ASes present in the Internet Routing Table: 2961 LACNIC Prefixes per ASN: 9.88 LACNIC Region origin ASes announcing only one prefix: 1065 LACNIC Region transit ASes present in the Internet Routing Table: 597 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2262 Number of LACNIC addresses announced to Internet: 72164608 Equivalent to 4 /8s, 77 /16s and 37 /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: 4731 Total AfriNIC prefixes after maximum aggregation: 1942 AfriNIC Deaggregation factor: 2.44 Prefixes being announced from the AfriNIC address blocks: 6338 Unique aggregates announced from the AfriNIC address blocks: 3175 AfriNIC Region origin ASes present in the Internet Routing Table: 223 AfriNIC Prefixes per ASN: 28.42 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 69 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 120 Number of AfriNIC addresses announced to Internet: 27930880 Equivalent to 1 /8s, 170 /16s and 49 /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 9651 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 721 10640 154 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 56040 491 490 109 CMNET-GUANGDONG-AP China Mobile communi 24445 478 497 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 9975 11388 3518 AMAZON-02, US 749 3223 54904 2475 DNIC-AS-00749, US 367 2772 3399 1292 DNIC-ASBLK-00306-00371, US 11776 1861 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1829 121 1254 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 5972 1341 387 608 DNIC-ASBLK-05800-06055, US 7979 990 64 201 SERVERS-COM, US 855 954 255 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 1292 105 1045 AKAMAI-ASN1, NL 3215 926 4906 284 France Telecom - Orange, FR 25019 823 1044 145 SAUDINETSTC-AS, SA 8376 709 60 21 Jordan Data Communications, JO 8452 622 1841 11 TE-AS TE-AS, EG 51167 523 100 222 CONTABO, DE 35819 424 418 70 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 384 34 5 ASN-ISKON, HR 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 4866 1419 731 UNINET, MX 3816 1322 789 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 753 1126 30 TELEFONICA BRASIL S.A, BR 26599 549 2827 83 TELEFONICA BRASIL S.A, BR 13999 490 68 212 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 27843 229 20 33 WIN EMPRESAS S.A.C., PE 22047 228 342 16 VTR BANDA ANCHA S.A., CL 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 593 206 239 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 29571 306 46 113 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 255 82 3 KENET-AS, KE 36992 197 258 168 ETISALAT-MISR, EG 37492 151 471 44 ORANGE-, TN 24835 149 150 88 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 24757 135 36 50 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 9975 11388 3518 AMAZON-02, US 9808 9651 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 4866 1419 731 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3223 54904 2475 DNIC-AS-00749, US 367 2772 3399 1292 DNIC-ASBLK-00306-00371, US 11776 1861 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1829 121 1254 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 9651 9590 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 4866 4135 UNINET, MX 11776 1861 1636 ATLANTICBB-JOHNSTOWN, US 367 2772 1480 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 1322 1132 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 /15:698 /16:5963 /17:2494 /18:2598 /19:5410 /20:8767 /21:10929 /22:19824 /23:20600 /24:113029 /25:73 /26:48 /27:66 /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 2493 4866 UNINET, MX 16509 2130 9975 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 961 1699 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1861 ATLANTICBB-JOHNSTOWN, US 11830 883 1042 Instituto Costarricense de Electricidad y Telec 19901 746 887 BRSPD-PUBLIC, US 6147 681 1084 Telefonica del Peru S.A.A., PE 8376 554 709 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:12 2:384 3:344 5:1113 6:148 7:5 8:630 11:171 12:666 13:303 14:121 15:283 16:175 17:6 18:739 20:33 21:4 22:188 23:1889 24:738 25:2 27:48 29:19 31:207 32:1 34:10 35:57 36:1177 37:449 38:876 39:524 40:11 41:760 42:13 43:196 44:35 45:2476 46:635 47:98 49:9 50:299 51:479 52:1371 54:275 55:878 57:14 58:7 59:38 60:19 61:62 62:344 63:507 64:1473 65:822 66:1258 67:834 68:176 69:841 70:142 71:196 72:470 74:731 75:390 76:210 77:326 78:577 79:188 80:227 81:184 82:190 83:123 84:197 85:350 86:162 87:163 88:154 89:542 90:98 91:625 92:427 93:809 94:554 95:1106 96:372 97:34 98:138 99:149 100:23 101:21 102:213 103:1150 104:764 105:142 106:3 107:199 108:310 109:277 110:41 111:1791 112:464 113:46 114:33 115:15 116:36 117:971 118:72 119:108 120:1087 121:39 122:86 123:21 124:59 125:13 128:357 129:281 130:506 131:813 132:510 133:195 134:348 135:90 136:369 137:433 138:765 139:402 140:599 141:324 142:704 143:603 144:333 145:65 146:504 147:389 148:616 149:492 150:292 151:578 152:576 153:118 154:616 155:689 156:443 157:292 158:317 159:691 160:720 161:478 162:697 163:287 164:651 165:399 166:103 167:397 168:919 169:152 170:1255 171:65 172:910 173:816 174:196 175:34 176:420 177:699 178:365 179:514 180:54 181:1005 182:22 183:832 184:311 185:2485 186:801 187:720 188:636 189:1048 190:2697 191:245 192:3931 193:1303 194:866 195:578 196:467 197:413 198:2010 199:3687 200:2471 201:2271 202:1076 203:641 204:1786 205:1695 206:1201 207:1160 208:936 209:1415 210:337 211:431 212:703 213:583 214:1027 215:42 216:1791 217:353 218:525 219:24 220:30 221:302 222:20 223:641 End of report