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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jan 2 21:29:51 UTC 2025


IPv4 R&E Routing Table Report   21:20 GMT Thu 02 Jan, 2025

  IPv4 BGP Table (R&E) as seen at Guam.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/UniGuam/

Analysis Summary
----------------

BGP routing table entries examined:                               17871
    Prefixes after maximum aggregation (per Origin AS):            8832
    Deaggregation factor:                                          2.02
    Unique aggregates announced (without unneeded subnets):         599
    Number of IPv4 prefixes with a valid ROA:                      7382
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          10489
Total ASes present in the Internet Routing Table:                  2627
    Prefixes per ASN:                                              6.80
Origin-only ASes present in the Internet Routing Table:            2250
Origin ASes announcing only one prefix:                             992
Transit ASes present in the Internet Routing Table:                 377
Transit-only ASes present in the Internet Routing Table:             82
Paths with bogon ASNs present in the IPv4 Routing Table:             96
Average AS path length visible in the Internet Routing Table:       6.1
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      46003
Number of 32-bit ASNs visible in the Routing Table:                 658
Prefixes from 32-bit ASNs in the Routing Table:                    1793
Number of bogon 32-bit ASNs visible in the Routing Table:            66
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              1
Number of addresses announced to Internet:                   3224951344
    Equivalent to 192 /8s, 56 /16s and 218 /24s
    Percentage of available address space announced:               87.1
    Percentage of allocated address space announced:               87.1
    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:        1897

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

Prefixes being announced by APNIC Region ASes:                     3587
    Total APNIC prefixes after maximum aggregation:                1490
    APNIC Deaggregation factor:                                    2.41
Prefixes being announced from the APNIC address blocks:            3588
    Unique aggregates announced from the APNIC address blocks:        3
APNIC Region origin ASes present in the Internet Routing Table:     446
    APNIC Prefixes per ASN:                                        8.04
APNIC Region origin ASes announcing only one prefix:                195
APNIC Region transit ASes present in the Internet Routing Table:     52
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC region 32-bit ASNs visible in the Routing Table:    195
Number of APNIC addresses announced to Internet:                 131584
    Equivalent to 0 /8s, 2 /16s and 2 /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:                      8060
    Total ARIN prefixes after maximum aggregation:                 4592
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:             8057
    Unique aggregates announced from the ARIN address blocks:       147
ARIN Region origin ASes present in the Internet Routing Table:     1207
    ARIN Prefixes per ASN:                                         6.68
ARIN Region origin ASes announcing only one prefix:                 414
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         5.9
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     192
Number of ARIN addresses announced to Internet:             -2146879312
    Equivalent to 128 /8s, 9 /16s and 56 /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:                      3546
    Total RIPE prefixes after maximum aggregation:                 2068
    RIPE Deaggregation factor:                                     1.71
Prefixes being announced from the RIPE address blocks:             3551
    Unique aggregates announced from the RIPE address blocks:       447
RIPE Region origin ASes present in the Internet Routing Table:      666
    RIPE Prefixes per ASN:                                         5.33
RIPE Region origin ASes announcing only one prefix:                 297
RIPE Region transit ASes present in the Internet Routing Table:     110
Average RIPE Region AS path length visible:                         6.7
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     158
Number of RIPE addresses announced to Internet:                 2987904
    Equivalent to 0 /8s, 45 /16s and 151 /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:                    1544
    Total LACNIC prefixes after maximum aggregation:                527
    LACNIC Deaggregation factor:                                   2.93
Prefixes being announced from the LACNIC address blocks:           1542
    Unique aggregates announced from the LACNIC address blocks:       0
LACNIC Region origin ASes present in the Internet Routing Table:    175
    LACNIC Prefixes per ASN:                                       8.81
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       7.3
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    83
Number of LACNIC addresses announced to Internet:                     0
    Equivalent to 0 /8s, 0 /16s and 0 /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:                   1133
    Total AfriNIC prefixes after maximum aggregation:               154
    AfriNIC Deaggregation factor:                                  7.36
Prefixes being announced from the AfriNIC address blocks:          1132
    Unique aggregates announced from the AfriNIC address blocks:      2
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     22.64
AfriNIC Region origin ASes announcing only one prefix:               29
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:           1073743872
    Equivalent to 64 /8s, 0 /16s and 8 /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
  7497         449      262242      30  CSTNET-AS-AP Computer Network Informatio
  7575         333      262159      86  AARNET-AS-AP Australian Academic and Res
  1237         194      524338     171  KREONET-AS-KR KISTI, KR
 55824         146      524306      11  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
 24313          70         16       1  NSW-DET-AS NSW Department of Education, A
  4621          69      524322      15  UNINET-AS-AP UNINET-, TH
  2697          59      524291      35  ERX-ERNET-AS Education and Research Netw
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          55       1466      35  ERX-TANET-ASN1 Taiwan Academic Network TA

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         205      786717     100  DNIC-AS-00668, US
   376         201      786586     161  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         172         32       6  LACOE, US
  2152         139      786777      25  CENIC-2152, US
 18558         136         16       1  NETBLK-RCOEK, US
    81         129      524806      34  NCREN, US
     1         128      524289      50  LVLT-1, US
   270         117        312      84  AS270, US
 21976          91      262192      20  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283        124      35  DFN Verein zur Foerderung eines Deutschen
   786         185      786928      43  JANET Jisc Services Limited, GB
  8895         130      262168       5  ISU Internet Services Unit ISU, SA
   559         114      262649      34  SWITCH Peering requests: peering at switch.
  1103          96      787323      50  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93      262164      19  ROEDUNET, RO
   137          82      262738      38  ASGARR Consortium GARR, IT
  1930          79      262165       5  RCCN Fundacao para a Ciencia e a Tecnolo
   553          78      524737      78  BELWUE BelWue-Koordination, DE
  3267          78      262166      41  NIKS, RU

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         218      524445      55  Rede Nacional de Ensino e Pesquisa, BR
 28391         154      262149      28  Universidad Juarez Autonoma de Tabasco, 
 11340         109      262146       8  Red Universitaria Nacional, CL
271640          67          0      67  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          52      262144       4  CEDIA, EC
  2715          48      262243      36  Fundacao Carlos Chagas Filho de Amparo a
 19611          48         16      13  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  3596          40      262150       3  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blumena

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         538         82       3  KENET-AS, KE
  2018         379      262449      73  TENET-1, ZA
  8094          47      262150       4  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          12      262148       2  NRaE1-AS, NG
327700          12         16       1  MoRENet, MZ
 37501          11         49       6  UOFS, ZA
 36982           8      262160       3  UCT, ZA
 37074           6          8       2  UG-AS, GH

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         538         82       3  KENET-AS, KE
  7497         449      262242      30  CSTNET-AS-AP Computer Network Informatio
  2018         379      262449      73  TENET-1, ZA
  7575         333      262159      86  AARNET-AS-AP Australian Academic and Res
   680         283        124      35  DFN Verein zur Foerderung eines Deutschen
  1916         218      524445      55  Rede Nacional de Ensino e Pesquisa, BR
   668         205      786717     100  DNIC-AS-00668, US
   376         201      786586     161  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         194      524338     171  KREONET-AS-KR KISTI, KR

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         449          419  CSTNET-AS-AP Computer Network Information Cente
  2018         379          306  TENET-1, ZA
   680         283          248  DFN Verein zur Foerderung eines Deutschen Forsc
  7575         333          247  AARNET-AS-AP Australian Academic and Research N
  5786         198          197  UPRENET, PR
  2920         172          166  LACOE, US
  1916         218          163  Rede Nacional de Ensino e Pesquisa, BR
   786         185          142  JANET Jisc Services Limited, GB
 55824         146          135  NKN-CORE-NW NKN Core Network, IN
 18558         136          135  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
164.160.192.0/2      Origin:     37661  NRaE1-AS, NG
164.160.192.0/2     Transit:     37288  WACREN, SN

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:354      /2:4619     /3:3        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:1       /12:5       
/13:6       /14:17      /15:73      /16:1725    /17:279     /18:292     
/19:372     /20:550     /21:553     /22:882     /23:960     /24:6962    
/25:24      /26:44      /27:87      /28:11      /29:46      /30:4       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         371         538  KENET-AS, KE
  8895          85         130  ISU Internet Services Unit ISU, SA
  1916          43         218  Rede Nacional de Ensino e Pesquisa, BR
  3267          34          78  NIKS, RU
 23024          34          40  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 32440          31          58  LONI, US
 25977          30          44  HCCS, US
     1          29         128  LVLT-1, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         4:2         5:15        6:4         8:2        12:2      
  14:94       23:14       24:1        31:1        35:6        37:8      
  38:11       41:223      42:5        44:4        45:76       46:4      
  49:10       50:4        52:1        59:18       60:6        61:3      
  62:8        63:32       64:40       65:5        66:40       67:40     
  68:20       69:11       70:2        71:1        72:5        74:50     
  76:35       77:11       78:3        79:10       80:12       81:25     
  82:7        83:7        84:9        85:45       86:6        87:1      
  88:1        89:12       91:41       92:2        93:13       94:2      
  95:2        96:5        97:1        98:2       102:3       103:172    
 104:6       108:10      111:16      113:1       114:19      116:9      
 117:61      119:23      121:18      123:8       124:42      125:5      
 128:48      129:20      130:53      131:37      132:26      134:93     
 136:86      137:95      138:65      139:7       140:15      142:31     
 143:15      144:21      146:123     147:34      148:84      149:8      
 150:21      151:7       152:129     153:13      154:41      155:45     
 156:130     157:23      158:20      159:43      160:2       161:8      
 162:24      163:30      164:6       165:7       166:4       167:5      
 168:61      169:3       170:43      171:1       172:1       173:1      
 175:11      176:1       177:16      179:15      180:15      182:10     
 185:33      186:2       187:17      188:11      189:3       190:16     
 191:14      192:987     193:189     194:94      195:48      196:144    
 197:179     198:260     199:164     200:159     201:33      202:397    
 203:244     204:195     205:66      206:123     207:126     208:35     
 209:91      210:147     211:2       212:88      213:5       214:8      
 216:46      217:4       218:3       220:13      223:4      

End of report


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