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 22 Mar, 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: 995833 Prefixes after maximum aggregation (per Origin AS): 375423 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 475826 Number of IPv4 prefixes with a valid ROA: 544630 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 451183 Total ASes present in the Internet Routing Table: 76811 Prefixes per ASN: 12.96 Origin-only ASes present in the Internet Routing Table: 65727 Origin ASes announcing only one prefix: 26861 Transit ASes present in the Internet Routing Table: 11084 Transit-only ASes present in the Internet Routing Table: 557 Paths with bogon ASNs present in the IPv4 Routing Table: 76 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 75 Max AS path prepend of ASN ( 37447) 71 Prefixes from unregistered ASNs in the Routing Table: 1010 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 46119 Number of 32-bit ASNs visible in the Routing Table: 38042 Prefixes from 32-bit ASNs in the Routing Table: 201547 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 372 Number of addresses announced to Internet: 3113873536 Equivalent to 185 /8s, 153 /16s and 240 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 324602 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 266438 Total APNIC prefixes after maximum aggregation: 77065 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 258151 Unique aggregates announced from the APNIC address blocks: 102797 APNIC Region origin ASes present in the Internet Routing Table: 14646 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 4450 APNIC Region transit ASes present in the Internet Routing Table: 1994 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 49 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10087 Number of APNIC addresses announced to Internet: 754382912 Equivalent to 44 /8s, 246 /16s and 248 /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: 292089 Total ARIN prefixes after maximum aggregation: 128670 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 292665 Unique aggregates announced from the ARIN address blocks: 136820 ARIN Region origin ASes present in the Internet Routing Table: 19233 ARIN Prefixes per ASN: 15.22 ARIN Region origin ASes announcing only one prefix: 7029 ARIN Region transit ASes present in the Internet Routing Table: 1985 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5168 Number of ARIN addresses announced to Internet: 1350295296 Equivalent to 80 /8s, 123 /16s and 223 /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: 276634 Total RIPE prefixes after maximum aggregation: 132950 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 274883 Unique aggregates announced from the RIPE address blocks: 173495 RIPE Region origin ASes present in the Internet Routing Table: 28872 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 4004 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12336 Number of RIPE addresses announced to Internet: 732395264 Equivalent to 43 /8s, 167 /16s and 119 /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: 123704 Total LACNIC prefixes after maximum aggregation: 29338 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120264 Unique aggregates announced from the LACNIC address blocks: 48911 LACNIC Region origin ASes present in the Internet Routing Table: 11219 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2515 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9175 Number of LACNIC addresses announced to Internet: 171576640 Equivalent to 10 /8s, 58 /16s and 13 /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: 35958 Total AfriNIC prefixes after maximum aggregation: 6769 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 49498 Unique aggregates announced from the AfriNIC address blocks: 13496 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 25.90 AfriNIC Region origin ASes announcing only one prefix: 681 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 75 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1276 Number of AfriNIC addresses announced to Internet: 105030400 Equivalent to 6 /8s, 66 /16s and 163 /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 10417 8913 146 CHINAMOBILE-CN China Mobile Communication 7545 6203 843 648 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4852 4192 76 ERX-CERNET-BKB China Education and Resear 18403 4261 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 45899 4171 1874 56 VNPT-AS-VN VNPT Corp, VN 7552 3940 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2840 848 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2196 1439 86 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 12931 39640 3980 AMAZON-02, US 174 5437 8766 960 COGENT-174, US 11492 4675 310 585 CABLEONE, US 7155 4188 287 87 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 22773 3378 3033 181 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 3012 1268 2210 AKAMAI-AS, US 396982 2940 3660 453 GOOGLE-CLOUD-PLATFORM, US 36352 2568 213 807 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 7754 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3949 3396 142 AKAMAI-ASN1, NL 9009 3770 325 1955 M247, RO 12389 3005 2303 890 ROSTELECOM-AS, RU 5384 2429 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2368 360 584 TELLCOM-AS, TR 212238 2035 145 1495 CDNEXT, GB 8452 1614 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 11853 3241 582 UNINET, MX 10620 3523 486 970 Telmex Colombia S.A., CO 13999 2508 539 368 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1194 371 22 Telefonica del Peru S.A.A., PE 11664 1073 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1070 359 174 Axtel, S.A.B. de C.V., MX 22884 1051 66 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1703 599 30 RAYA-AS, EG 24863 1623 389 16 LINKdotNET-AS, EG 29571 1564 102 23 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1006 521 42 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 863 1083 15 MOBINIL, EG 6713 561 1861 35 IAM-AS, MA 36914 542 82 3 KENET-AS, KE 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 12931 39640 3980 AMAZON-02, US 8151 11853 3241 582 UNINET, MX 9808 10417 8913 146 CHINAMOBILE-CN China Mobile Communication 12479 7754 1714 145 UNI2-AS, ES 7545 6203 843 648 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5437 8766 960 COGENT-174, US 4538 4852 4192 76 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4675 310 585 CABLEONE, US 18403 4261 347 25 FPT-AS-AP FPT Telecom Company, 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 11853 11271 UNINET, MX 9808 10417 10271 CHINAMOBILE-CN China Mobile Communications Grou 12479 7754 7609 UNI2-AS, ES 7545 6203 5555 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4852 4776 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5437 4477 COGENT-174, US 18403 4261 4236 FPT-AS-AP FPT Telecom Company, VN 45899 4171 4115 VNPT-AS-VN VNPT Corp, VN 7155 4188 4101 VIASAT-SP-BACKBONE, 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 PIGGYTARO-DATA, CA 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 /12:304 /13:586 /14:1230 /15:2189 /16:14074 /17:8513 /18:14504 /19:25280 /20:45639 /21:52990 /22:113669 /23:103714 /24:612267 /25:111 /26:105 /27:101 /28:20 /29:73 /30:10 /31:0 /32:288 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6687 7754 UNI2-AS, ES 8151 6055 11853 UNINET, MX 11492 3528 4675 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3134 4188 VIASAT-SP-BACKBONE, US 22773 2515 3378 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2329 12931 AMAZON-02, US 30036 2217 2557 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3523 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) ---------------------------------------------- 1:2383 2:1652 3:598 4:12 5:4638 6:163 7:6 8:1568 9:1 11:172 12:1373 13:343 14:2570 15:351 16:279 17:366 18:916 20:476 21:4 22:188 23:7336 24:3024 25:2 27:2810 29:19 31:3287 32:41 34:83 35:207 36:2424 37:4749 38:10084 39:905 40:154 41:4313 42:1958 43:2665 44:356 45:18583 46:5057 47:309 49:1997 50:1891 51:590 52:1556 54:301 55:1069 56:9 57:254 58:2303 59:1285 60:1197 61:2898 62:2930 63:1841 64:5503 65:2184 66:4628 67:3012 68:1116 69:3966 70:1108 71:621 72:2853 74:2815 75:1655 76:612 77:2699 78:1861 79:1754 80:2230 81:2039 82:2855 83:1430 84:1829 85:3377 86:1138 87:2422 88:1285 89:4333 90:785 91:8350 92:2852 93:2890 94:4126 95:4267 96:1426 97:314 98:994 99:738 100:71 101:1318 102:3827 103:32573 104:4815 105:1098 106:1003 107:2599 108:1208 109:4160 110:2236 111:3350 112:2063 113:1841 114:1961 115:2212 116:2070 117:2790 118:2893 119:1982 120:1948 121:1439 122:2780 123:2228 124:1706 125:2911 126:88 128:1636 129:981 130:1299 131:1880 132:782 133:451 134:1532 135:330 136:1279 137:1246 138:2903 139:1681 140:1578 141:1485 142:1821 143:1637 144:1044 145:480 146:2170 147:2104 148:2612 149:2974 150:1250 151:2043 152:2105 153:571 154:8166 155:1623 156:3316 157:1900 158:1259 159:2429 160:3571 161:1955 162:3713 163:1959 164:1698 165:2205 166:1418 167:1887 168:4050 169:792 170:5107 171:1012 172:4463 173:3233 174:910 175:1309 176:3690 177:4753 178:3832 179:2314 180:2663 181:4041 182:3399 183:2070 184:2295 185:21585 186:5047 187:4395 188:4232 189:4198 190:9648 191:1505 192:11201 193:9448 194:7916 195:5670 196:3258 197:3771 198:6107 199:8408 200:8168 201:6272 202:10923 203:10833 204:4526 205:3652 206:4643 207:3479 208:4218 209:5152 210:4886 211:2720 212:4558 213:3765 214:1048 215:48 216:6589 217:3271 218:1393 219:580 220:2083 221:1069 222:971 223:2342 End of report