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

REN Routing Table Report cscora at frr.nsrc.org
Sun May 22 18:00:37 UTC 2022


IPv4 R&E Routing Table Report   18:00 GMT Sun 22 May, 2022

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

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

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

BGP routing table entries examined:                               13529
    Prefixes after maximum aggregation (per Origin AS):            8037
    Deaggregation factor:                                          1.68
    Unique aggregates announced (without unneeded subnets):        8868
    Number of IPv4 prefixes with a valid ROA:                      3356
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          10173
Total ASes present in the Internet Routing Table:                  2074
    Prefixes per ASN:                                              6.52
Origin-only ASes present in the Internet Routing Table:            1790
Origin ASes announcing only one prefix:                             862
Transit ASes present in the Internet Routing Table:                 284
Transit-only ASes present in the Internet Routing Table:             34
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      16
    Max AS path prepend of ASN (  1149)                              11
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:                      39454
Number of 32-bit ASNs visible in the Routing Table:                 475
Prefixes from 32-bit ASNs in the Routing Table:                    1238
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:              3
Number of addresses announced to Internet:                    167323169
    Equivalent to 9 /8s, 249 /16s and 38 /24s
    Percentage of available address space announced:                4.5
    Percentage of allocated address space announced:                4.5
    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:        1706

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

Prefixes being announced by APNIC Region ASes:                     3273
    Total APNIC prefixes after maximum aggregation:                1707
    APNIC Deaggregation factor:                                    1.92
Prefixes being announced from the APNIC address blocks:            3274
    Unique aggregates announced from the APNIC address blocks:     1852
APNIC Region origin ASes present in the Internet Routing Table:     416
    APNIC Prefixes per ASN:                                        7.87
APNIC Region origin ASes announcing only one prefix:                191
APNIC Region transit ASes present in the Internet Routing Table:     51
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    162
Number of APNIC addresses announced to Internet:               38301920
    Equivalent to 2 /8s, 72 /16s and 112 /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:                      5572
    Total ARIN prefixes after maximum aggregation:                 3355
    ARIN Deaggregation factor:                                     1.66
Prefixes being announced from the ARIN address blocks:             5587
    Unique aggregates announced from the ARIN address blocks:      3824
ARIN Region origin ASes present in the Internet Routing Table:      887
    ARIN Prefixes per ASN:                                         6.30
ARIN Region origin ASes announcing only one prefix:                 325
ARIN Region transit ASes present in the Internet Routing Table:     111
Average ARIN Region AS path length visible:                         6.1
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     121
Number of ARIN addresses announced to Internet:                69990528
    Equivalent to 4 /8s, 43 /16s and 248 /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:                      2860
    Total RIPE prefixes after maximum aggregation:                 2428
    RIPE Deaggregation factor:                                     1.18
Prefixes being announced from the RIPE address blocks:             2849
    Unique aggregates announced from the RIPE address blocks:      2486
RIPE Region origin ASes present in the Internet Routing Table:      560
    RIPE Prefixes per ASN:                                         5.09
RIPE Region origin ASes announcing only one prefix:                 263
RIPE Region transit ASes present in the Internet Routing Table:      87
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     117
Number of RIPE addresses announced to Internet:                55134848
    Equivalent to 3 /8s, 73 /16s and 74 /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:                     941
    Total LACNIC prefixes after maximum aggregation:                443
    LACNIC Deaggregation factor:                                   2.12
Prefixes being announced from the LACNIC address blocks:            938
    Unique aggregates announced from the LACNIC address blocks:     545
LACNIC Region origin ASes present in the Internet Routing Table:    132
    LACNIC Prefixes per ASN:                                       7.11
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    20
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    52
Number of LACNIC addresses announced to Internet:               2984448
    Equivalent to 0 /8s, 45 /16s and 138 /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:                    879
    Total AfriNIC prefixes after maximum aggregation:               100
    AfriNIC Deaggregation factor:                                  8.79
Prefixes being announced from the AfriNIC address blocks:           877
    Unique aggregates announced from the AfriNIC address blocks:    158
AfriNIC Region origin ASes present in the Internet Routing Table:    41
    AfriNIC Prefixes per ASN:                                     21.39
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.2
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:               910912
    Equivalent to 0 /8s, 13 /16s and 230 /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
  2907         578       2140     456  SINET-AS Research Organization of Infor
  7497         427        177      19  CSTNET-AS-AP Computer Network Informati
  4538         187       4192      73  ERX-CERNET-BKB China Education and Rese
  7575         177        330     123  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         114         18      10  NKN-CORE-NW NKN Core Network, IN
  2697          53          3      32  ERX-ERNET-AS Education and Research Net
 45773          48          3       5  HECPERN-AS-PK PERN AS Content Servie Pr
132524          48          9      11  TIFR-AS Tata Institute of Fundamental R
  9270          34          5       6  APAN-KR-AS National Infomation Society 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         201        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         155        507      90  CSUNET-NW, US
 18558         131         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
 23024         113          7      19  OCDE, US
  2920         110         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
 22742          67         53      33  CT-EDU-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284       1967     251  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          96         27      76  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  2200          63        583      58  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol
  1653          51        167      48  SUNET SUNET Swedish University Network,
  1741          39        149      18  FUNETAS, FI

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         153        180      87  Rede Nacional de Ensino e Pesquisa, BR
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          37          2       2  Fundacao Universidade Regional de Blume
 20191          31         16       1  Pontificia Universidad Catolica de Chil
271640          27          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 28571          26          5      18  UNIVERSIDADE DE SAO PAULO, BR
  3597          23          2      17  Fundacion InnovaT, AR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 30983         419          4       4  MARWAN-AS, MA
 36914         212         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
327687          37         28       3  RENU, UG
327700          36         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          11          8       1  TERNET, TZ
 37074          10          7       7  UG-AS, GH
 37654          10          1       6  RwEdNet-AS, RW
 31960           5          1       1  EMUNET, MZ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         578       2140     456  SINET-AS Research Organization of Infor
  7497         427        177      19  CSTNET-AS-AP Computer Network Informati
 30983         419          4       4  MARWAN-AS, MA
   680         284       1967     251  DFN Verein zur Foerderung eines Deutsch
 36914         212         82       3  KENET-AS, KE
   376         201        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  4538         187       4192      73  ERX-CERNET-BKB China Education and Rese
   786         186       1774     183  JANET Jisc Services Limited, GB
  7575         177        330     123  AARNET-AS-AP Australian Academic and Re

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

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

   ASN  No of nets  Net Savings  Description
 30983         419          415  MARWAN-AS, MA
  7497         427          408  CSTNET-AS-AP Computer Network Information Cente
 36914         212          209  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
 18558         131          127  NETBLK-RCOEK, US
  4538         187          114  ERX-CERNET-BKB China Education and Research Net
 55824         114          104  NKN-CORE-NW NKN Core Network, IN
  2920         110          104  LACOE, US
 23024         113           94  OCDE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL
192.168.167.1/32          30983  MARWAN-AS, MA

Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL
192.168.167.1/32     Origin:     30983  MARWAN-AS, MA
192.168.167.1/32    Transit:         0  UNALLOCATED

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

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

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:2       /11:0       /12:9       
/13:17      /14:34      /15:101     /16:1626    /17:255     /18:287     
/19:403     /20:599     /21:635     /22:1003    /23:1086    /24:6908    
/25:56      /26:51      /27:91      /28:5       /29:56      /30:1       
/31:0       /32:302     

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

   ASN  No of nets  Total ann.  Description
 30983         392         419  MARWAN-AS, MA
 36914         199         212  KENET-AS, KE
 23024          53         113  OCDE, US
 32440          46          52  LONI, US
327700          32          36  MoRENet, MZ
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
 25977          29          43  HCCS, US
 31638          21          21  ASN-LEPIDA, IT
  3233          19          29  ICI-ROTLD Romanian National R&D Network, RO
  1916          18         153  Rede Nacional de Ensino e Pesquisa, BR

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

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

   5:15        8:2        12:1        14:84       23:2        24:3      
  31:1        35:1        37:6        38:6        40:1        41:118    
  42:11       44:4        45:23       46:6        49:10       58:10     
  59:9        60:4        61:2        62:6        63:2        64:22     
  66:4        67:39       68:1        69:10       70:2        72:9      
  74:11       76:2        77:7        78:3        79:10       80:7      
  81:27       82:1        83:6        84:7        85:23       86:4      
  87:1        88:1        89:10       91:32       93:10       94:2      
  95:4        96:5       101:4       102:11      103:213     104:68     
 108:3       109:3       110:2       111:16      114:1       116:7      
 118:18      119:22      121:28      122:8       123:8       124:39     
 128:67      129:31      130:82      131:75      132:50      133:145    
 134:66      136:193     137:64      138:9       139:4       140:32     
 141:1       142:21      143:20      144:23      145:2       146:114    
 147:19      148:7       149:12      150:9       151:2       152:16     
 153:6       154:6       155:34      156:65      157:19      158:38     
 159:115     160:25      161:17      162:10      163:56      164:14     
 165:18      166:1       167:11      168:56      169:9       170:44     
 172:2       173:6       175:19      177:7       179:8       180:16     
 181:1       182:6       184:2       185:26      186:3       187:19     
 188:12      189:5       190:32      191:2       192:1143    193:273    
 194:95      195:73      196:41      197:122     198:343     199:184    
 200:196     201:37      202:358     203:190     204:283     205:138    
 206:141     207:142     208:55      209:91      210:85      211:2      
 212:21      213:2       216:51      217:10      219:10      220:2      
 222:4       223:4      

End of report


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