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

REN Routing Table Report cscora at frr.nsrc.org
Thu Mar 2 21:21:23 UTC 2023


IPv4 R&E Routing Table Report   21:20 GMT Thu 02 Mar, 2023

  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:                               20410
    Prefixes after maximum aggregation (per Origin AS):           11114
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       13565
    Number of IPv4 prefixes with a valid ROA:                      8902
    Number of IPv4 prefixes with an invalid ROA:                    103
    Number of IPv4 prefixes with no ROA:                          11405
Total ASes present in the Internet Routing Table:                  2228
    Prefixes per ASN:                                              9.16
Origin-only ASes present in the Internet Routing Table:            1876
Origin ASes announcing only one prefix:                             833
Transit ASes present in the Internet Routing Table:                 352
Transit-only ASes present in the Internet Routing Table:             82
Paths with bogon ASNs present in the IPv4 Routing Table:             88
Average AS path length visible in the Internet Routing Table:       5.1
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 4
    Number of instances of unregistered ASNs:                         4
Number of 32-bit ASNs allocated by the RIRs:                      41326
Number of 32-bit ASNs visible in the Routing Table:                 487
Prefixes from 32-bit ASNs in the Routing Table:                    1408
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              4
Number of addresses announced to Internet:                    205390358
    Equivalent to 12 /8s, 62 /16s and 2 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        3021

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

Prefixes being announced by APNIC Region ASes:                     3472
    Total APNIC prefixes after maximum aggregation:                1564
    APNIC Deaggregation factor:                                    2.22
Prefixes being announced from the APNIC address blocks:            3543
    Unique aggregates announced from the APNIC address blocks:     1831
APNIC Region origin ASes present in the Internet Routing Table:     409
    APNIC Prefixes per ASN:                                        8.66
APNIC Region origin ASes announcing only one prefix:                168
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    162
Number of APNIC addresses announced to Internet:               31957292
    Equivalent to 1 /8s, 231 /16s and 161 /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, 131072-151865
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:                     11304
    Total ARIN prefixes after maximum aggregation:                 6047
    ARIN Deaggregation factor:                                     1.87
Prefixes being announced from the ARIN address blocks:            11092
    Unique aggregates announced from the ARIN address blocks:      7682
ARIN Region origin ASes present in the Internet Routing Table:      937
    ARIN Prefixes per ASN:                                        11.84
ARIN Region origin ASes announcing only one prefix:                 334
ARIN Region transit ASes present in the Internet Routing Table:     149
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     126
Number of ARIN addresses announced to Internet:               111412042
    Equivalent to 6 /8s, 164 /16s and 3 /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, 393216-401308
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:                      3401
    Total RIPE prefixes after maximum aggregation:                 2680
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3536
    Unique aggregates announced from the RIPE address blocks:      2877
RIPE Region origin ASes present in the Internet Routing Table:      607
    RIPE Prefixes per ASN:                                         5.83
RIPE Region origin ASes announcing only one prefix:                 261
RIPE Region transit ASes present in the Internet Routing Table:      91
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     122
Number of RIPE addresses announced to Internet:                55849472
    Equivalent to 3 /8s, 84 /16s and 50 /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
                       196608-213403
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:                    1226
    Total LACNIC prefixes after maximum aggregation:                492
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1233
    Unique aggregates announced from the LACNIC address blocks:     623
LACNIC Region origin ASes present in the Internet Routing Table:    149
    LACNIC Prefixes per ASN:                                       8.28
LACNIC Region origin ASes announcing only one prefix:                53
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    60
Number of LACNIC addresses announced to Internet:               3892640
    Equivalent to 0 /8s, 59 /16s and 101 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                   1003
    Total AfriNIC prefixes after maximum aggregation:               327
    AfriNIC Deaggregation factor:                                  3.07
Prefixes being announced from the AfriNIC address blocks:          1002
    Unique aggregates announced from the AfriNIC address blocks:    548
AfriNIC Region origin ASes present in the Internet Routing Table:    41
    AfriNIC Prefixes per ASN:                                     24.44
AfriNIC Region origin ASes announcing only one prefix:               17
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   17
Number of AfriNIC addresses announced to Internet:              2277632
    Equivalent to 0 /8s, 34 /16s and 193 /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
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  7575         350        330     126  AARNET-AS-AP Australian Academic and Re
  1237         192         74     134  KREONET-AS-KR KISTI, KR
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
 24313          83         16       1  NSW-DET-AS NSW Department of Education,
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          55          3      33  ERX-ERNET-AS Education and Research Net
  1659          53       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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
 16509        4068       4766    1813  AMAZON-02, US
 14618         747       3996     555  AMAZON-AES, US
   668         215        702     179  DNIC-AS-00668, US
   376         199        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         190        507      93  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
     1         122          2      46  LVLT-1, US
   270         120        329      85  AS270, US
  2920         117         34       9  LACOE, 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       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         177         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          63        599      58  FR-RENATER Reseau National de telecommu

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         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 11340         102          8      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          53         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      14  CEDIA, EC
  4270          45         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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
  2018         378        319      72  TENET-1, ZA
 36914         247         24      87  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          58          5      47  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
 37182          32          8       1  TERNET, TZ
327700          30         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA

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
 16509        4068       4766    1813  AMAZON-02, US
 14618         747       3996     555  AMAZON-AES, US
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         378        319      72  TENET-1, ZA
  7575         350        330     126  AARNET-AS-AP Australian Academic and Re
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         247         24      87  KENET-AS, KE
   668         215        702     179  DNIC-AS-00668, US
   376         199        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR

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         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         378          306  TENET-1, ZA
  7575         350          224  AARNET-AS-AP Australian Academic and Research N
  5786         199          198  UPRENET, PR
 14618         747          192  AMAZON-AES, US
  8895         177          173  ISU Internet Services Unit ISU, SA
 36914         247          160  KENET-AS, KE
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
  2920         117          108  LACOE, 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
     65300  PRIVATE      103.252.172.0/22        133465  DKU-AS-AP Duke Kunshan Unive
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
64.186.3.0/24        Origin:     16509  AMAZON-02, US
64.186.3.0/24       Transit:     11537  INTERNET2-RESEARCH-EDU, US
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
216.169.147.0/24    Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/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        /8:0        /9:1       /10:2       /11:3       /12:17      
/13:25      /14:54      /15:169     /16:1591    /17:391     /18:403     
/19:477     /20:848     /21:1023    /22:1513    /23:1669    /24:11757   
/25:85      /26:56      /27:160     /28:44      /29:79      /30:23      
/31:3       /32:17      

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

   ASN  No of nets  Total ann.  Description
 16509         721        4068  AMAZON-02, US
 14618         247         747  AMAZON-AES, US
 36914         237         247  KENET-AS, KE
  8895         172         177  ISU Internet Services Unit ISU, SA
 32440          79         104  LONI, US
 23024          51         112  OCDE, US
     1          40         122  LVLT-1, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 37182          31          32  TERNET, TZ
200521          31          54  SEAP-AGE, ES

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

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

   1:2         3:92        4:2         5:17        6:4         8:1      
  13:148      14:89       15:130      16:29       18:178      23:49     
  24:1        31:7        35:14       37:1        38:7        41:135    
  42:10       44:4        45:48       46:10       47:1        49:7      
  50:10       52:871      54:267      58:2        59:4        60:4      
  61:3        62:12       63:8        64:122      65:36       66:64     
  67:60       68:6        69:42       70:27       71:46       72:17     
  74:45       76:47       77:11       78:2        79:10       80:17     
  81:25       82:6        83:4        84:11       85:30       86:5      
  87:2        88:1        89:12       91:50       92:2        93:4      
  94:5        95:2        96:7        97:2        98:13       99:83     
 101:6       102:10      103:265     104:118     107:1       108:76     
 109:12      110:2       113:1       114:23      115:1       116:8      
 117:61      118:2       119:21      121:11      122:11      123:8      
 124:39      125:4       128:63      129:46      130:150     131:46     
 132:42      134:40      135:3       136:218     137:238     138:23     
 139:26      140:52      141:5       142:51      143:40      144:64     
 145:1       146:131     147:34      148:50      149:15      150:128    
 151:14      152:82      153:91      154:30      155:75      156:71     
 157:43      158:43      159:163     160:5       161:33      162:58     
 163:80      164:22      165:56      166:1       167:22      168:178    
 169:11      170:127     171:1       172:8       173:21      174:2      
 175:31      176:12      177:8       178:1       179:11      180:14     
 181:1       182:4       184:2       185:66      186:3       187:19     
 188:14      189:3       190:18      191:36      192:1187    193:342    
 194:124     195:79      196:165     197:154     198:375     199:204    
 200:216     201:38      202:312     203:327     204:315     205:138    
 206:167     207:167     208:119     209:141     210:185     211:17     
 212:166     213:16      214:8       216:126     217:11      218:22     
 219:1       220:17      222:5       223:4      

End of report


More information about the ren-bgp-stats-all mailing list