This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 03 May, 2025 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1003899 Prefixes after maximum aggregation (per Origin AS): 378742 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 478935 Number of IPv4 prefixes with a valid ROA: 554264 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 449617 Total ASes present in the Internet Routing Table: 76950 Prefixes per ASN: 13.05 Origin-only ASes present in the Internet Routing Table: 65885 Origin ASes announcing only one prefix: 26914 Transit ASes present in the Internet Routing Table: 11065 Transit-only ASes present in the Internet Routing Table: 552 Paths with bogon ASNs present in the IPv4 Routing Table: 52 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1038 Number of instances of unregistered ASNs: 1040 Number of 32-bit ASNs allocated by the RIRs: 46319 Number of 32-bit ASNs visible in the Routing Table: 38241 Prefixes from 32-bit ASNs in the Routing Table: 204847 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 341 Number of addresses announced to Internet: 3111030080 Equivalent to 185 /8s, 110 /16s and 141 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 327192 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269482 Total APNIC prefixes after maximum aggregation: 77818 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 260535 Unique aggregates announced from the APNIC address blocks: 103406 APNIC Region origin ASes present in the Internet Routing Table: 14720 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 4479 APNIC Region transit ASes present in the Internet Routing Table: 2001 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10160 Number of APNIC addresses announced to Internet: 753872960 Equivalent to 44 /8s, 239 /16s and 48 /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, 131072-155961 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: 292810 Total ARIN prefixes after maximum aggregation: 129849 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 293943 Unique aggregates announced from the ARIN address blocks: 138509 ARIN Region origin ASes present in the Internet Routing Table: 19247 ARIN Prefixes per ASN: 15.27 ARIN Region origin ASes announcing only one prefix: 7037 ARIN Region transit ASes present in the Internet Routing Table: 1994 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5201 Number of ARIN addresses announced to Internet: 1348724992 Equivalent to 80 /8s, 99 /16s and 233 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 278208 Total RIPE prefixes after maximum aggregation: 134150 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 276028 Unique aggregates announced from the RIPE address blocks: 174107 RIPE Region origin ASes present in the Internet Routing Table: 28931 RIPE Prefixes per ASN: 9.54 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 4000 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12427 Number of RIPE addresses announced to Internet: 731436992 Equivalent to 43 /8s, 152 /16s and 215 /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, 53/8, 57/8, 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: 125959 Total LACNIC prefixes after maximum aggregation: 29518 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 122400 Unique aggregates announced from the LACNIC address blocks: 48736 LACNIC Region origin ASes present in the Internet Routing Table: 11232 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2480 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9176 Number of LACNIC addresses announced to Internet: 171673920 Equivalent to 10 /8s, 59 /16s and 137 /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: 36402 Total AfriNIC prefixes after maximum aggregation: 6793 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 50652 Unique aggregates announced from the AfriNIC address blocks: 13900 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 26.51 AfriNIC Region origin ASes announcing only one prefix: 675 AfriNIC Region transit ASes present in the Internet Routing Table: 377 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277 Number of AfriNIC addresses announced to Internet: 105145856 Equivalent to 6 /8s, 68 /16s and 102 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10546 8913 151 CHINAMOBILE-CN China Mobile Communication 7545 6209 843 650 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4842 4192 75 ERX-CERNET-BKB China Education and Resear 45899 4360 1874 55 VNPT-AS-VN VNPT Corp, VN 18403 4309 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4237 531 276 BBIL-AP BHARTI Airtel Ltd., IN 7552 3948 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2200 1439 87 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13235 39692 4348 AMAZON-02, US 174 5507 8755 920 COGENT-174, US 11492 4711 312 591 CABLEONE, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3378 3031 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54863 2505 DNIC-AS-00749, US 16625 3120 1312 2258 AKAMAI-AS, US 396982 2954 3657 468 GOOGLE-CLOUD-PLATFORM, US 36352 2772 227 850 AS-COLOCROSSING, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7726 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4074 3396 140 AKAMAI-ASN1, NL 9009 3794 327 1977 M247, RO 12389 3075 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2424 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2362 360 584 TELLCOM-AS, TR 212238 2128 151 1570 CDNEXT, GB 8452 1647 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12040 3243 585 UNINET, MX 10620 3486 482 1051 Telmex Colombia S.A., CO 13999 2513 540 362 Mega Cable, S.A. de C.V., MX 11830 1994 369 64 Instituto Costarricense de Electricidad y 28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1190 371 22 Telefonica del Peru S.A.A., PE 11664 1103 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1060 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1043 374 163 Axtel, S.A.B. de C.V., MX Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1744 631 30 RAYA-AS, EG 24863 1649 389 16 LINKdotNET-AS, EG 29571 1594 102 22 ORANGE-COTE-IVOIRE, CI 36992 1416 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1020 521 42 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 36914 552 82 3 KENET-AS, KE 37457 535 316 30 Telkom-Internet, ZA Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13235 39692 4348 AMAZON-02, US 8151 12040 3243 585 UNINET, MX 9808 10546 8913 151 CHINAMOBILE-CN China Mobile Communication 12479 7726 1714 148 UNI2-AS, ES 7545 6209 843 650 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5507 8755 920 COGENT-174, US 4538 4842 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4711 312 591 CABLEONE, US 45899 4360 1874 55 VNPT-AS-VN VNPT Corp, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 12040 11455 UNINET, MX 9808 10546 10395 CHINAMOBILE-CN China Mobile Communications Grou 12479 7726 7578 UNI2-AS, ES 7545 6209 5559 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4842 4767 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5507 4587 COGENT-174, US 45899 4360 4305 VNPT-AS-VN VNPT Corp, VN 18403 4309 4284 FPT-AS-AP FPT Telecom Company, VN 11492 4711 4120 CABLEONE, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/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/Guam/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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US 23.158.216.0/24 Origin: 204535 RESERVED, ZZ 23.158.216.0/24 Transit: 22427 GNET-AS, US Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:16 /10:41 /11:93 /12:301 /13:584 /14:1227 /15:2184 /16:14047 /17:8521 /18:14558 /19:25474 /20:45726 /21:53173 /22:114096 /23:105066 /24:618044 /25:114 /26:116 /27:102 /28:17 /29:75 /30:10 /31:0 /32:298 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6648 7726 UNI2-AS, ES 8151 6243 12040 UNINET, MX 11492 3531 4711 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2528 3378 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2331 13235 AMAZON-02, US 30036 2230 2570 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2155 3486 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2373 2:1669 3:668 4:11 5:4774 6:162 7:6 8:1614 9:1 11:172 12:1365 13:366 14:2584 15:352 16:282 17:372 18:916 20:529 21:4 22:188 23:7545 24:2807 25:2 27:2815 29:19 31:3324 32:40 33:1 34:84 35:206 36:2513 37:4725 38:10206 39:914 40:167 41:4259 42:1975 43:2690 44:377 45:18823 46:5127 47:314 49:1952 50:1892 51:590 52:1553 54:301 55:1083 56:11 57:265 58:2308 59:1352 60:1197 61:3139 62:2956 63:1825 64:5489 65:2170 66:4669 67:3070 68:1135 69:3932 70:1089 71:628 72:2860 74:2786 75:1617 76:614 77:2731 78:1901 79:1774 80:2244 81:2063 82:3231 83:1479 84:1861 85:3435 86:1148 87:2424 88:1323 89:4353 90:785 91:8376 92:2792 93:2903 94:4206 95:4385 96:1461 97:312 98:995 99:669 100:72 101:1413 102:4062 103:32712 104:4814 105:1182 106:1049 107:2623 108:1211 109:4125 110:2276 111:3362 112:2076 113:1850 114:1982 115:2262 116:2096 117:2787 118:2922 119:2017 120:1952 121:1443 122:2896 123:2493 124:1711 125:2900 126:91 128:1661 129:972 130:1311 131:1961 132:781 133:451 134:1546 135:336 136:1304 137:1255 138:2944 139:1697 140:1600 141:1498 142:1909 143:1684 144:1085 145:503 146:2174 147:2104 148:2681 149:2969 150:1268 151:1822 152:2107 153:565 154:8567 155:1669 156:3480 157:1911 158:1289 159:2442 160:3589 161:1916 162:3729 163:2123 164:1711 165:2205 166:1472 167:1884 168:4096 169:791 170:5139 171:1018 172:4430 173:3259 174:908 175:1333 176:3684 177:4839 178:3701 179:2332 180:2685 181:4086 182:3420 183:2070 184:2132 185:21651 186:5223 187:4527 188:4231 189:4291 190:9673 191:1530 192:11258 193:9490 194:7924 195:5660 196:3310 197:3668 198:6139 199:8498 200:8271 201:6379 202:10967 203:10895 204:4523 205:3609 206:4633 207:3476 208:4284 209:5194 210:4915 211:2745 212:4575 213:3734 214:1032 215:48 216:6734 217:3327 218:1397 219:578 220:2094 221:1059 222:975 223:2375 End of report