[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jul 26 21:29:41 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Sat 26 Jul, 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:                             1013489
    Prefixes after maximum aggregation (per Origin AS):          384745
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      488272
    Number of IPv4 prefixes with a valid ROA:                    568156
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         445313
Total ASes present in the Internet Routing Table:                 77194
    Prefixes per ASN:                                             13.13
Origin-only ASes present in the Internet Routing Table:           66065
Origin ASes announcing only one prefix:                           26908
Transit ASes present in the Internet Routing Table:               11129
Transit-only ASes present in the Internet Routing Table:            574
Paths with bogon ASNs present in the IPv4 Routing Table:             29
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1122
    Number of instances of unregistered ASNs:                      1155
Number of 32-bit ASNs allocated by the RIRs:                      46946
Number of 32-bit ASNs visible in the Routing Table:               38699
Prefixes from 32-bit ASNs in the Routing Table:                  209826
Number of bogon 32-bit ASNs visible in the Routing Table:            78
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            337
Number of addresses announced to Internet:                   3112749377
    Equivalent to 185 /8s, 136 /16s and 201 /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:      328908

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   274991
    Total APNIC prefixes after maximum aggregation:               78895
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          266074
    Unique aggregates announced from the APNIC address blocks:   105462
APNIC Region origin ASes present in the Internet Routing Table:   14826
    APNIC Prefixes per ASN:                                       17.95
APNIC Region origin ASes announcing only one prefix:               4510
APNIC Region transit ASes present in the Internet Routing Table:   2003
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10302
Number of APNIC addresses announced to Internet:              754833984
    Equivalent to 44 /8s, 253 /16s and 218 /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:                    294779
    Total ARIN prefixes after maximum aggregation:               132151
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           296184
    Unique aggregates announced from the ARIN address blocks:    141438
ARIN Region origin ASes present in the Internet Routing Table:    19246
    ARIN Prefixes per ASN:                                        15.39
ARIN Region origin ASes announcing only one prefix:                7032
ARIN Region transit ASes present in the Internet Routing Table:    2002
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5260
Number of ARIN addresses announced to Internet:              1349342208
    Equivalent to 80 /8s, 109 /16s and 84 /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:                    280687
    Total RIPE prefixes after maximum aggregation:               136388
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           279685
    Unique aggregates announced from the RIPE address blocks:    178011
RIPE Region origin ASes present in the Internet Routing Table:    28979
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12040
RIPE Region transit ASes present in the Internet Routing Table:    4015
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12603
Number of RIPE addresses announced to Internet:               732241601
    Equivalent to 43 /8s, 165 /16s and 30 /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:                  126493
    Total LACNIC prefixes after maximum aggregation:              29773
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         122736
    Unique aggregates announced from the LACNIC address blocks:   49089
LACNIC Region origin ASes present in the Internet Routing Table:  11273
    LACNIC Prefixes per ASN:                                      10.89
LACNIC Region origin ASes announcing only one prefix:              2650
LACNIC Region transit ASes present in the Internet Routing Table:  2522
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9236
Number of LACNIC addresses announced to Internet:             171149376
    Equivalent to 10 /8s, 51 /16s and 136 /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:                  35417
    Total AfriNIC prefixes after maximum aggregation:              6793
    AfriNIC Deaggregation factor:                                  5.21
Prefixes being announced from the AfriNIC address blocks:         48473
    Unique aggregates announced from the AfriNIC address blocks:  13997
AfriNIC Region origin ASes present in the Internet Routing Table:  1930
    AfriNIC Prefixes per ASN:                                     25.12
AfriNIC Region origin ASes announcing only one prefix:              676
AfriNIC Region transit ASes present in the Internet Routing Table:  385
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1298
Number of AfriNIC addresses announced to Internet:            104976384
    Equivalent to 6 /8s, 65 /16s and 208 /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       12205       8921     172  CHINAMOBILE-CN China Mobile Communication
  7545        6126        839     607  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4888       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4502        347      26  FPT-AS-AP FPT Telecom Company, VN
  9498        4464        535     311  BBIL-AP BHARTI Airtel Ltd., IN
 45899        4379       1874      55  VNPT-AS-VN VNPT Corp, VN
  7552        3946       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3698       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 56046        2953        832     220  CMNET-JIANGSU-AP China Mobile communicati
 24560        2911        864     509  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,

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       13698      40976    5281  AMAZON-02, US
   174        5271       8772     864  COGENT-174, US
 11492        4819        319     605  CABLEONE, US
  7155        3869        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3340       3013     164  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3223      54766    2474  DNIC-AS-00749, US
396982        3196       3855     432  GOOGLE-CLOUD-PLATFORM, US
 16625        2947       1245    2187  AKAMAI-AS, US
  4155        2875        218    1726  USDA-1, 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        7595       1712     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3946       3396     140  AKAMAI-ASN1, NL
  9009        3819        363    2135  M247, RO
 12389        3118       2315     870  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2404        361     584  TELLCOM-AS, TR
  5384        2393        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2322        164    1690  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1585       1852      14  TE-AS TE-AS, EG

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       12320       3260     575  UNINET, MX
 10620        3484        474    1024  Telmex Colombia S.A., CO
 13999        2525        511     349  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1371       2435     269  Claro NXT Telecomunicacoes Ltda, BR
  3816        1351        788     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1188        371      22  Telefonica del Peru S.A.A., PE
 11664        1183        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1070         68     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1020        373     162  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        1732        660      28  RAYA-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1312       1489     355  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 24863        1228        389      20  LINKdotNET-AS, EG
 37069        1086       1112      11  MOBINIL, EG
 36935         832        520      43  Vodafone-, EG
 36914         577         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         542         57      60  WANANCHI-, 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       13698      40976    5281  AMAZON-02, US
  8151       12320       3260     575  UNINET, MX
  9808       12205       8921     172  CHINAMOBILE-CN China Mobile Communication
 12479        7595       1712     148  UNI2-AS, ES
  7545        6126        839     607  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5271       8772     864  COGENT-174, US
  4538        4888       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4819        319     605  CABLEONE, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 18403        4502        347      26  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
  9808       12205        12033  CHINAMOBILE-CN China Mobile Communications Grou
  8151       12320        11745  UNINET, MX
 12479        7595         7447  UNI2-AS, ES
  7545        6126         5519  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4888         4813  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4502         4476  FPT-AS-AP FPT Telecom Company, VN
   174        5271         4407  COGENT-174, US
 45899        4379         4324  VNPT-AS-VN VNPT Corp, VN
 11492        4819         4214  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
     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
    398074  UNALLOCATED  8.28.115.0/24            32787  PROLEXIC-TECHNOLOGIES-D
    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
23.142.24.0/24       Origin:     62164  HEYMMAN-2, CA
23.142.24.0/24      Transit:     64236  UNREAL-SERVERS, US
23.147.224.0/24      Origin:     27392  639-DATACENTERS, US
23.147.224.0/24     Transit:      3356  LEVEL3, US
23.147.225.0/24      Origin:     27392  639-DATACENTERS, US
23.147.225.0/24     Transit:      3356  LEVEL3, 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       /9:14      /10:41      /11:92      /12:299     
/13:582     /14:1215    /15:2169    /16:13907   /17:8474    /18:14304   
/19:25396   /20:45901   /21:53169   /22:113917  /23:106171  /24:627070  
/25:134     /26:111     /27:101     /28:21      /29:71      /30:8       
/31:0       /32:306     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6543        7595  UNI2-AS, ES
  8151        6538       12320  UNINET, MX
 11492        3611        4819  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2827        3869  VIASAT-SP-BACKBONE, US
 22773        2493        3340  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2350       13698  AMAZON-02, US
 30036        2286        2627  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2195        3484  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)
----------------------------------------------

   1:2479      2:1590      3:858       4:12        5:4867      6:163    
   7:6         8:1588      9:1        11:172      12:1339     13:465    
  14:2641     15:367      16:286      17:379      18:898      20:579    
  21:4        22:188      23:7757     24:2724     25:2        27:2863   
  29:19       31:3447     32:39       33:1        34:84       35:261    
  36:3863     37:4606     38:10609    39:949      40:248      41:4340   
  42:2013     43:2815     44:380      45:18910    46:5176     47:354    
  49:1927     50:2016     51:591      52:1554     54:325      55:1110   
  56:11       57:279      58:2294     59:1418     60:1199     61:3072   
  62:3011     63:1799     64:5562     65:2162     66:4764     67:3111   
  68:1073     69:3978     70:1041     71:629      72:2857     74:2820   
  75:1511     76:606      77:2778     78:1901     79:1705     80:2242   
  81:2071     82:3201     83:1488     84:1904     85:3484     86:1188   
  87:2400     88:1316     89:4453     90:778      91:8470     92:2770   
  93:2969     94:4207     95:4425     96:1494     97:309      98:954    
  99:692     100:71      101:1464    102:4068    103:32759   104:5242   
 105:1066    106:978     107:2656    108:1272    109:4264    110:2282   
 111:3398    112:2310    113:1903    114:1988    115:2314    116:2155   
 117:2669    118:3019    119:2046    120:2238    121:1411    122:2934   
 123:2524    124:1796    125:2927    126:91      128:1634    129:984    
 130:1323    131:2075    132:772     133:450     134:1594    135:352    
 136:1467    137:1273    138:2886    139:1661    140:1653    141:1521   
 142:1914    143:1952    144:1182    145:565     146:2200    147:2101   
 148:2726    149:2989    150:1304    151:2233    152:2077    153:590    
 154:7833    155:1850    156:3110    157:1950    158:1345    159:2531   
 160:3608    161:1905    162:3890    163:2261    164:1879    165:2391   
 166:1530    167:2019    168:4041    169:788     170:5182    171:1013   
 172:4227    173:3402    174:917     175:1355    176:3759    177:4947   
 178:3965    179:2370    180:2666    181:4158    182:3559    183:2295   
 184:2102    185:21705   186:5316    187:4741    188:4288    189:4422   
 190:9616    191:1542    192:11378   193:9504    194:7928    195:5732   
 196:3303    197:3198    198:6125    199:8621    200:8352    201:6440   
 202:10993   203:10942   204:4648    205:3603    206:4539    207:3557   
 208:4313    209:5168    210:4993    211:2821    212:4611    213:3836   
 214:1021    215:48      216:6788    217:3378    218:1442    219:602    
 220:2153    221:1206    222:996     223:2769   

End of report


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