[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 30 17:00:32 UTC 2022


IPv4 R&E Routing Table Report   17:00 GMT Wed 30 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:                               18770
    Prefixes after maximum aggregation (per Origin AS):           10609
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11717
    Number of IPv4 prefixes with a valid ROA:                      4012
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                          14740
Total ASes present in the Internet Routing Table:                  2770
    Prefixes per ASN:                                              6.78
Origin-only ASes present in the Internet Routing Table:            2393
Origin ASes announcing only one prefix:                            1083
Transit ASes present in the Internet Routing Table:                 377
Transit-only ASes present in the Internet Routing Table:             56
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (211089)                              11
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      38931
Number of 32-bit ASNs visible in the Routing Table:                 620
Prefixes from 32-bit ASNs in the Routing Table:                    1696
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:                    207372278
    Equivalent to 12 /8s, 92 /16s and 63 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        2072

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

Prefixes being announced by APNIC Region ASes:                     4732
    Total APNIC prefixes after maximum aggregation:                2299
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4733
    Unique aggregates announced from the APNIC address blocks:     2612
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.12
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               46041408
    Equivalent to 2 /8s, 190 /16s and 137 /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:                      8108
    Total ARIN prefixes after maximum aggregation:                 4697
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             8128
    Unique aggregates announced from the ARIN address blocks:      5255
ARIN Region origin ASes present in the Internet Routing Table:     1218
    ARIN Prefixes per ASN:                                         6.67
ARIN Region origin ASes announcing only one prefix:                 427
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     167
Number of ARIN addresses announced to Internet:                96370256
    Equivalent to 5 /8s, 190 /16s and 126 /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:                      3586
    Total RIPE prefixes after maximum aggregation:                 2852
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3572
    Unique aggregates announced from the RIPE address blocks:      2801
RIPE Region origin ASes present in the Internet Routing Table:      692
    RIPE Prefixes per ASN:                                         5.16
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:     104
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:     136
Number of RIPE addresses announced to Internet:                58079686
    Equivalent to 3 /8s, 118 /16s and 57 /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:                    1415
    Total LACNIC prefixes after maximum aggregation:                566
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1413
    Unique aggregates announced from the LACNIC address blocks:     760
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       8.56
LACNIC Region origin ASes announcing only one prefix:                66
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4146592
    Equivalent to 0 /8s, 63 /16s and 69 /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:                    922
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  4.90
Prefixes being announced from the AfriNIC address blocks:           922
    Unique aggregates announced from the AfriNIC address blocks:    287
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.44
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   13
Average AfriNIC Region AS path length visible:                      2.8
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2733824
    Equivalent to 0 /8s, 41 /16s and 183 /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         586       2085     458  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
  4538         189       4191      72  ERX-CERNET-BKB China Education and Rese
 58647         179         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re
 55824         114         18      10  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         252         51       7  NU-AS, US
   668         211        702     179  DNIC-AS-00668, US
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         148        507      89  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
  2920         111         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
 23024          85          5      14  OCDE, 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         279       1967     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         181         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
  2614          77         30      59  ROEDUNET, RO
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  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         175        208      46  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         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 
 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
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         374        319      74  TENET-1, ZA
 36914         211         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          35         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          17          8       1  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, 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         586       2085     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         374        319      74  TENET-1, ZA
   680         279       1967     245  DFN Verein zur Foerderung eines Deutsch
  7896         252         51       7  NU-AS, US
   668         211        702     179  DNIC-AS-00668, US
 36914         211         82       3  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  1237         189         74     135  KREONET-AS-KR KISTI, KR

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         374          300  TENET-1, ZA
  7896         252          245  NU-AS, US
 36914         211          208  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         181          177  ISU Internet Services Unit ISU, SA
 58647         179          177  KAGAWAU-AS Kagawa University, JP
 18558         135          131  NETBLK-RCOEK, US
  1916         175          129  Rede Nacional de Ensino e Pesquisa, BR
  4538         189          117  ERX-CERNET-BKB China Education and Research Net

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
     22644  UNALLOCATED  147.140.64.32/27         14877  PENNREN, US
     22644  UNALLOCATED  147.140.64.64/27         14877  PENNREN, US
     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
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, 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      /14:36      /15:122     /16:2036    /17:400     /18:444     
/19:562     /20:864     /21:900     /22:1433    /23:1584    /24:10154   
/25:76      /26:48      /27:54      /28:1       /29:0       /30:0       
/31:1       /32:23      

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

   ASN  No of nets  Total ann.  Description
 36914         198         211  KENET-AS, KE
  8895         176         181  ISU Internet Services Unit ISU, SA
 23024          53          85  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
327700          31          35  MoRENet, MZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 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)
----------------------------------------------

   1:3         5:15        6:4         8:2        12:1        14:85     
  18:42       23:7        24:3        31:6        37:8        38:9      
  40:1        41:127      42:15       44:5        45:35       46:6      
  47:1        49:10       50:1        52:1        58:10       59:21     
  60:4        61:3        62:13       63:34       64:49       66:35     
  67:42       68:8        69:19       70:2        71:1        72:9      
  74:20       76:33       77:7        78:3        79:10       80:18     
  81:28       82:5        83:6        84:8        85:40       86:7      
  87:1        88:1        89:10       91:45       93:23       94:4      
  95:5        96:5        97:1        98:2       101:8       102:11     
 103:316     104:43      108:8       109:10      110:3       111:20     
 114:23      116:5       117:61      118:33      119:22      121:28     
 122:8       123:8       124:39      125:4       128:80      129:178    
 130:93      131:89      132:58      133:140     134:98      136:193    
 137:86      138:8       139:5       140:48      141:1       142:41     
 143:31      144:52      145:2       146:128     147:59      148:191    
 149:12      150:42      151:6       152:77      153:13      154:26     
 155:51      156:68      157:26      158:42      159:116     160:25     
 161:21      162:20      163:64      164:18      165:55      166:2      
 167:16      168:124     169:10      170:52      172:2       173:4      
 175:29      176:8       177:12      179:9       180:21      182:6      
 184:5       185:41      186:3       187:19      188:13      189:5      
 190:33      191:33      192:1436    193:280     194:142     195:85     
 196:165     197:116     198:485     199:284     200:244     201:38     
 202:632     203:423     204:327     205:164     206:189     207:169    
 208:66      209:114     210:183     211:15      212:150     213:5      
 214:7       216:85      217:12      218:22      219:12      220:15     
 222:6       223:4      

End of report


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