IPv4 R&E Routing Table Report 20:15 GMT Sat 18 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: 191450 Prefixes after maximum aggregation (per Origin AS): 84916 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 105885 Number of IPv4 prefixes with a valid ROA: 75148 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 116282 Total ASes present in the Internet Routing Table: 16079 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 13886 Origin ASes announcing only one prefix: 6364 Transit ASes present in the Internet Routing Table: 2193 Transit-only ASes present in the Internet Routing Table: 594 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: 235 Number of instances of unregistered ASNs: 235 Number of 32-bit ASNs allocated by the RIRs: 44478 Number of 32-bit ASNs visible in the Routing Table: 5758 Prefixes from 32-bit ASNs in the Routing Table: 19769 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: 105 Number of addresses announced to Internet: 1117671073 Equivalent to 66 /8s, 158 /16s and 78 /24s Percentage of available address space announced: 30.2 Percentage of allocated address space announced: 30.2 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: 56354 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30483 Total APNIC prefixes after maximum aggregation: 7231 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 29948 Unique aggregates announced from the APNIC address blocks: 8242 APNIC Region origin ASes present in the Internet Routing Table: 1191 APNIC Prefixes per ASN: 25.15 APNIC Region origin ASes announcing only one prefix: 488 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: 531 Number of APNIC addresses announced to Internet: 201258864 Equivalent to 11 /8s, 254 /16s and 247 /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: 89084 Total ARIN prefixes after maximum aggregation: 48664 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87733 Unique aggregates announced from the ARIN address blocks: 54685 ARIN Region origin ASes present in the Internet Routing Table: 7518 ARIN Prefixes per ASN: 11.67 ARIN Region origin ASes announcing only one prefix: 3252 ARIN Region transit ASes present in the Internet Routing Table: 682 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: 1558 Number of ARIN addresses announced to Internet: 655993697 Equivalent to 39 /8s, 25 /16s and 171 /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: 36869 Total RIPE prefixes after maximum aggregation: 17455 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 37586 Unique aggregates announced from the RIPE address blocks: 25213 RIPE Region origin ASes present in the Internet Routing Table: 3505 RIPE Prefixes per ASN: 10.72 RIPE Region origin ASes announcing only one prefix: 1477 RIPE Region transit ASes present in the Internet Routing Table: 534 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: 1293 Number of RIPE addresses announced to Internet: 160492752 Equivalent to 9 /8s, 144 /16s and 236 /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: 29954 Total LACNIC prefixes after maximum aggregation: 9416 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 29646 Unique aggregates announced from the LACNIC address blocks: 14434 LACNIC Region origin ASes present in the Internet Routing Table: 2945 LACNIC Prefixes per ASN: 10.07 LACNIC Region origin ASes announcing only one prefix: 1051 LACNIC Region transit ASes present in the Internet Routing Table: 592 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: 2252 Number of LACNIC addresses announced to Internet: 72409088 Equivalent to 4 /8s, 80 /16s and 224 /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: 4825 Total AfriNIC prefixes after maximum aggregation: 1966 AfriNIC Deaggregation factor: 2.45 Prefixes being announced from the AfriNIC address blocks: 6432 Unique aggregates announced from the AfriNIC address blocks: 3213 AfriNIC Region origin ASes present in the Internet Routing Table: 229 AfriNIC Prefixes per ASN: 28.09 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 124 Number of AfriNIC addresses announced to Internet: 27424256 Equivalent to 1 /8s, 162 /16s and 118 /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 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1506 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1483 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 723 10640 154 GIGAINFRA SoftBank Corp., JP 2907 600 2146 464 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 9904 11372 3568 AMAZON-02, US 749 3224 54904 2476 DNIC-AS-00749, US 367 2786 3441 1311 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1811 116 1249 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 5972 1347 387 612 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 1285 106 1038 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 618 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 13046 386 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 5336 1504 747 UNINET, MX 3816 1321 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 540 2819 83 TELEFONICA BRASIL S.A, BR 13999 491 66 214 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 703 217 272 LINKdotNET-AS, EG 2018 378 319 71 TENET-1, ZA 29571 324 46 115 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 253 82 3 KENET-AS, KE 36992 191 246 161 ETISALAT-MISR, EG 37492 151 471 44 ORANGE-, TN 24835 149 150 88 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 24757 136 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 9904 11372 3568 AMAZON-02, US 9808 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5336 1504 747 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3224 54904 2476 DNIC-AS-00749, US 367 2786 3441 1311 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1811 116 1249 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 9650 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5336 4589 UNINET, MX 11776 1860 1640 ATLANTICBB-JOHNSTOWN, US 367 2786 1475 DNIC-ASBLK-00306-00371, US 56047 1506 1459 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 1483 1374 CMNET-JIANGSU-AP China Mobile communications co 3816 1321 1131 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 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, 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 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 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 41.57.127.0/24 Origin: 37442 RESERVED, ZZ 41.57.127.0/24 Transit: 37204 TELONE, ZW 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 /9:6 /10:17 /11:30 /12:91 /13:124 /14:358 /15:694 /16:5957 /17:2481 /18:2574 /19:5419 /20:8696 /21:10816 /22:19927 /23:20798 /24:113200 /25:75 /26:49 /27:70 /28:19 /29:20 /30:14 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2882 5336 UNINET, MX 16509 2123 9904 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 961 1699 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1860 ATLANTICBB-JOHNSTOWN, US 11830 883 1042 Instituto Costarricense de Electricidad y Telec 19901 740 881 BRSPD-PUBLIC, US 6147 680 1084 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 2:367 3:340 5:1120 6:150 7:5 8:628 11:171 12:659 13:304 14:120 15:282 16:175 17:6 18:736 20:33 21:4 22:188 23:1892 24:738 25:2 27:48 29:19 31:207 32:1 34:10 35:57 36:1175 37:451 38:899 39:524 40:11 41:753 42:13 43:196 44:35 45:2448 46:631 47:98 49:9 50:282 51:476 52:1363 54:275 55:998 57:16 58:7 59:36 60:19 61:63 62:338 63:506 64:1536 65:823 66:1280 67:836 68:175 69:846 70:144 71:196 72:488 74:736 75:395 76:210 77:322 78:577 79:194 80:218 81:187 82:182 83:113 84:194 85:347 86:162 87:153 88:150 89:541 90:96 91:609 92:415 93:806 94:521 95:1115 96:374 97:35 98:136 99:151 100:23 101:22 102:244 103:1184 104:763 105:142 106:3 107:198 108:311 109:266 110:39 111:1789 112:464 113:47 114:32 115:16 116:34 117:972 118:71 119:105 120:1078 121:40 122:87 123:20 124:58 125:12 128:362 129:280 130:507 131:808 132:498 133:195 134:348 135:90 136:368 137:423 138:762 139:410 140:598 141:320 142:703 143:592 144:337 145:64 146:495 147:389 148:622 149:498 150:292 151:581 152:583 153:118 154:591 155:688 156:451 157:287 158:329 159:693 160:731 161:481 162:701 163:292 164:650 165:394 166:99 167:402 168:905 169:152 170:1240 171:65 172:918 173:819 174:191 175:41 176:422 177:707 178:326 179:499 180:55 181:1008 182:26 183:826 184:313 185:2497 186:795 187:765 188:638 189:1092 190:2721 191:225 192:3911 193:1295 194:858 195:575 196:452 197:402 198:2006 199:3675 200:2447 201:2338 202:1080 203:642 204:1796 205:1693 206:1205 207:1163 208:945 209:1437 210:350 211:431 212:704 213:589 214:1026 215:42 216:1798 217:338 218:524 219:24 220:29 221:304 222:22 223:643 End of report