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

REN Routing Table Report cscora at frr.nsrc.org
Wed Mar 2 17:00:31 UTC 2022


IPv4 R&E Routing Table Report   17:00 GMT Wed 02 Mar, 2022

  BGP Table (R&E) as seen at GEANT.

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

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

BGP routing table entries examined:                               18602
    Prefixes after maximum aggregation (per Origin AS):           10518
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11623
    Number of IPv4 prefixes with a valid ROA:                      3805
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                          14781
Total ASes present in the Internet Routing Table:                  2729
    Prefixes per ASN:                                              6.82
Origin-only ASes present in the Internet Routing Table:            2372
Origin ASes announcing only one prefix:                            1076
Transit ASes present in the Internet Routing Table:                 357
Transit-only ASes present in the Internet Routing Table:             39
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      14
    Max AS path prepend of ASN (211089)                              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:                      38695
Number of 32-bit ASNs visible in the Routing Table:                 606
Prefixes from 32-bit ASNs in the Routing Table:                    1699
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    204520566
    Equivalent to 12 /8s, 48 /16s and 188 /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:               99.5
Total number of prefixes smaller than registry allocations:        2079

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

Prefixes being announced by APNIC Region ASes:                     4754
    Total APNIC prefixes after maximum aggregation:                2330
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4755
    Unique aggregates announced from the APNIC address blocks:     2646
APNIC Region origin ASes present in the Internet Routing Table:     582
    APNIC Prefixes per ASN:                                        8.17
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    223
Number of APNIC addresses announced to Internet:               46171200
    Equivalent to 2 /8s, 192 /16s and 132 /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:                      7919
    Total ARIN prefixes after maximum aggregation:                 4554
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             7934
    Unique aggregates announced from the ARIN address blocks:      5079
ARIN Region origin ASes present in the Internet Routing Table:     1208
    ARIN Prefixes per ASN:                                         6.57
ARIN Region origin ASes announcing only one prefix:                 430
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     164
Number of ARIN addresses announced to Internet:                93607888
    Equivalent to 5 /8s, 148 /16s and 87 /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:                      3520
    Total RIPE prefixes after maximum aggregation:                 2836
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3505
    Unique aggregates announced from the RIPE address blocks:      2770
RIPE Region origin ASes present in the Internet Routing Table:      689
    RIPE Prefixes per ASN:                                         5.09
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         2.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                58010310
    Equivalent to 3 /8s, 117 /16s and 42 /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:                    1537
    Total LACNIC prefixes after maximum aggregation:                615
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1538
    Unique aggregates announced from the LACNIC address blocks:     839
LACNIC Region origin ASes present in the Internet Routing Table:    178
    LACNIC Prefixes per ASN:                                       8.64
LACNIC Region origin ASes announcing only one prefix:                73
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    73
Number of LACNIC addresses announced to Internet:               4179360
    Equivalent to 0 /8s, 63 /16s and 197 /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:                    868
    Total AfriNIC prefixes after maximum aggregation:               179
    AfriNIC Deaggregation factor:                                  4.85
Prefixes being announced from the AfriNIC address blocks:           868
    Unique aggregates announced from the AfriNIC address blocks:    287
AfriNIC Region origin ASes present in the Internet Routing Table:    29
    AfriNIC Prefixes per ASN:                                     29.93
AfriNIC Region origin ASes announcing only one prefix:                9
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      2.7
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2551296
    Equivalent to 0 /8s, 38 /16s and 238 /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       2157     459  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         189         74     135  KREONET-AS-KR KISTI, KR
 58647         179         18       2  KAGAWAU-AS Kagawa University, JP
  4538         177       4192      72  ERX-CERNET-BKB China Education and Rese
  7575         174        330     122  AARNET-AS-AP Australian Academic and Re
 55824         128         18      22  NKN-CORE-NW NKN Core Network, IN
  4621          79         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         145        507      86  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
  2920         111         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          77        496      15  MIT-GATEWAYS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         278       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         183         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  2614          62         30      59  ROEDUNET, RO
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         196        208      46  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          54          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         355        319      71  TENET-1, ZA
 36914         203         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
 37182          26          2      19  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         578       2157     459  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         355        319      71  TENET-1, ZA
   680         278       1950     245  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
 36914         203         82       3  KENET-AS, KE
  5786         200         16       1  UPRENET, PR
  1916         196        208      46  Rede Nacional de Ensino e Pesquisa, BR

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

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

   ASN  No of nets  Net Savings  Description
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         355          284  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         203          200  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         183          179  ISU Internet Services Unit ISU, SA
 58647         179          177  KAGAWAU-AS Kagawa University, JP
  1916         196          150  Rede Nacional de Ensino e Pesquisa, BR
 18558         135          131  NETBLK-RCOEK, US
 55824         128          106  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/GEANT/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
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US

Complete listing at https://bgp.nsrc.org/REN/GEANT/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

Complete listing at https://bgp.nsrc.org/REN/GEANT/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

Complete listing at https://bgp.nsrc.org/REN/GEANT/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       /11:1       /12:10      
/13:18      /14:34      /15:123     /16:2003    /17:389     /18:435     
/19:553     /20:859     /21:914     /22:1423    /23:1558    /24:10075   
/25:73      /26:53      /27:55      /28:1       /29:0       /30:0       
/31:1       /32:21      

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

   ASN  No of nets  Total ann.  Description
 36914         190         203  KENET-AS, KE
  8895         178         183  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          30          34  MoRENet, MZ
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:4         5:15        6:4         8:2        12:1        14:85     
  18:42       23:7        24:3        31:6        37:2        38:9      
  40:1        41:131      42:14       44:5        45:42       46:6      
  47:1        49:10       50:1        52:1        58:7        59:20     
  60:4        61:3        62:13       63:34       64:48       66:35     
  67:43       68:8        69:20       70:2        71:1        72:10     
  74:20       76:33       77:7        78:3        79:10       80:15     
  81:28       82:4        83:6        84:8        85:37       86:7      
  87:1        88:1        89:10       91:43       92:1        93:17     
  94:4        95:6        96:5        97:1        98:2       101:8      
 102:6       103:317     104:14      106:1       108:8       109:10     
 110:3       111:20      112:4       114:23      116:5       117:61     
 118:32      119:22      121:27      122:8       123:8       124:39     
 125:4       128:81      129:175     130:92      131:89      132:58     
 133:141     134:100     136:192     137:87      138:7       139:5      
 140:47      141:1       142:41      143:35      144:52      145:2      
 146:127     147:59      148:191     149:13      150:39      151:6      
 152:77      153:13      154:26      155:51      156:67      157:26     
 158:42      159:116     160:25      161:21      162:20      163:63     
 164:43      165:55      166:2       167:16      168:166     169:10     
 170:54      172:2       173:2       175:31      176:8       177:12     
 179:11      180:21      181:16      182:6       184:2       185:40     
 186:3       187:19      188:13      189:5       190:49      191:33     
 192:1339    193:266     194:140     195:88      196:152     197:111    
 198:463     199:284     200:248     201:38      202:635     203:420    
 204:327     205:168     206:189     207:168     208:66      209:115    
 210:185     211:13      212:152     213:5       214:7       216:86     
 217:12      218:25      219:12      220:17      222:5       223:4      


End of report


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