[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Mon Dec 6 22:00:33 UTC 2021


Global R&E Routing Table Report   22:00 GMT Mon 06 Dec, 2021

  BGP Table (R&E) as seen at Internet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/Internet2/

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

BGP routing table entries examined:                               22185
    Prefixes after maximum aggregation (per Origin AS):           12102
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       14364
Total ASes present in the Internet Routing Table:                  2733
    Prefixes per ASN:                                              8.12
Origin-only ASes present in the Internet Routing Table:            2361
Origin ASes announcing only one prefix:                            1078
Transit ASes present in the Internet Routing Table:                 372
Transit-only ASes present in the Internet Routing Table:             47
Average AS path length visible in the Internet Routing Table:       3.3
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      38005
Number of 32-bit ASNs visible in the Routing Table:                 606
Prefixes from 32-bit ASNs in the Routing Table:                    1691
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:              7
Number of addresses announced to Internet:                    242762584
    Equivalent to 14 /8s, 120 /16s and 67 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    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:        3058

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

Prefixes being announced by APNIC Region ASes:                     4715
    Total APNIC prefixes after maximum aggregation:                2326
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4763
    Unique aggregates announced from the APNIC address blocks:     2685
APNIC Region origin ASes present in the Internet Routing Table:     575
    APNIC Prefixes per ASN:                                        8.28
APNIC Region origin ASes announcing only one prefix:                243
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:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    221
Number of APNIC addresses announced to Internet:               46033472
    Equivalent to 2 /8s, 190 /16s and 106 /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:                     11628
    Total ARIN prefixes after maximum aggregation:                 6235
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:            11529
    Unique aggregates announced from the ARIN address blocks:      7699
ARIN Region origin ASes present in the Internet Routing Table:     1223
    ARIN Prefixes per ASN:                                         9.43
ARIN Region origin ASes announcing only one prefix:                 433
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         3.0
    Max ARIN Region AS path length visible:                          13
Number of ARIN region 32-bit ASNs visible in the Routing Table:     155
Number of ARIN addresses announced to Internet:               131870008
    Equivalent to 7 /8s, 220 /16s and 45 /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:                      3407
    Total RIPE prefixes after maximum aggregation:                 2739
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3450
    Unique aggregates announced from the RIPE address blocks:      2839
RIPE Region origin ASes present in the Internet Routing Table:      657
    RIPE Prefixes per ASN:                                         5.25
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:      98
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     129
Number of RIPE addresses announced to Internet:                58049728
    Equivalent to 3 /8s, 117 /16s and 196 /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:                    1526
    Total LACNIC prefixes after maximum aggregation:                609
    LACNIC Deaggregation factor:                                   2.51
Prefixes being announced from the LACNIC address blocks:           1533
    Unique aggregates announced from the LACNIC address blocks:     842
LACNIC Region origin ASes present in the Internet Routing Table:    177
    LACNIC Prefixes per ASN:                                       8.66
LACNIC Region origin ASes announcing only one prefix:                71
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    75
Number of LACNIC addresses announced to Internet:               4101408
    Equivalent to 0 /8s, 62 /16s and 149 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                    903
    Total AfriNIC prefixes after maximum aggregation:               187
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:           903
    Unique aggregates announced from the AfriNIC address blocks:    292
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.06
AfriNIC Region origin ASes announcing only one prefix:               21
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:   26
Number of AfriNIC addresses announced to Internet:              2706176
    Equivalent to 0 /8s, 41 /16s and 75 /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         623       2157     458  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  1237         188         74     135  KREONET-AS-KR KISTI, KR
  7575         177        330     123  AARNET-AS-AP Australian Academic and Re
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
  4538         127       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          80         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/Internet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2734       4486    1030  AMAZON-02, US
 14618         551       3986     421  AMAZON-AES, US
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
  2152         157        507      85  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
     1         120          1      41  LVLT-1, US
   270         119        329      88  AS270, US

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         280       1950     244  DFN Verein zur Foerderung eines Deutsch
   786         185       1774     182  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          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         204        207      42  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          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          43         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         349        319      73  TENET-1, ZA
 36914         203         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          41         16       1  MoRENet, MZ
327687          37         28       3  RENU, UG
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37182          13          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2734       4486    1030  AMAZON-02, US
  2907         623       2157     458  SINET-AS Research Organization of Infor
 14618         551       3986     421  AMAZON-AES, US
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  2018         349        319      73  TENET-1, ZA
   680         280       1950     244  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
  1916         204        207      42  Rede Nacional de Ensino e Pesquisa, BR
   376         203        178     152  RISQ-AS, CA

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  7497         430          406  CSTNET-AS-AP Computer Network Information Cente
  2018         349          276  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         203          200  KENET-AS, KE
  5786         201          200  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
  8895         177          173  ISU Internet Services Unit ISU, SA
  2907         623          165  SINET-AS Research Organization of Information a
  1916         204          162  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/Internet2/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
     29955  UNALLOCATED  192.104.1.0/24            2495  KANREN, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     29955  UNALLOCATED  198.252.8.0/21            2495  KANREN, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    394784  UNALLOCATED  205.166.145.0/24         40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-badAS

Prefixes from private and non-routed address space (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/Internet2/data-dsua

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

Unassigned Network     ASN Information  AS Name
103.151.24.0/24      Origin:     16509  AMAZON-02, US
103.151.24.0/24     Transit:     11537  INTERNET2-RESEARCH-EDU, US
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:     11537  INTERNET2-RESEARCH-EDU, US
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/Internet2/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      
/13:24      /14:59      /15:174     /16:2091    /17:446     /18:466     
/19:599     /20:973     /21:1006    /22:1581    /23:1721    /24:12703   
/25:80      /26:68      /27:119     /28:1       /29:49      /30:0       
/31:0       /32:2       

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

   ASN  No of nets  Total ann.  Description
 16509         718        2734  AMAZON-02, US
 36914         189         203  KENET-AS, KE
 14618         182         551  AMAZON-AES, US
  8895         172         177  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
     1          35         120  LVLT-1, US
327700          35          41  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos

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

   1:4         3:80        4:2         5:16        6:4         8:2      
  12:1        13:165      14:84       15:42       16:3        18:45     
  23:37       24:3        31:6        37:6        38:9        40:1      
  41:123      42:8        44:5        45:60       46:8        47:1      
  49:10       50:6        52:676      54:179      58:1        59:20     
  60:4        61:3        62:7        63:38       64:126      65:5      
  66:54       67:60       68:18       69:47       70:9        71:17     
  72:18       74:40       75:128      76:165      77:6        78:3      
  79:10       80:17       81:27       82:6        83:7        84:9      
  85:37       86:6        87:1        88:1        89:12       91:53     
  92:1        93:19       94:4        95:6        96:6        97:1      
  98:11       99:181     101:6       102:13      103:328     104:42     
 106:1       107:8       108:17      109:11      110:3       111:16     
 112:4       114:23      116:5       117:61      118:32      119:21     
 121:26      122:11      123:8       124:39      125:4       128:85     
 129:181     130:118     131:93      132:58      133:139     134:104    
 135:1       136:204     137:93      138:9       139:16      140:50     
 141:3       142:59      143:37      144:68      145:1       146:125    
 147:65      148:167     149:16      150:39      151:7       152:78     
 153:11      154:25      155:60      156:70      157:30      158:45     
 159:120     160:32      161:20      162:50      163:62      164:55     
 165:61      166:1       167:22      168:204     169:10      170:100    
 171:1       172:10      173:12      174:1       175:29      176:12     
 177:10      178:3       179:14      180:21      181:12      182:6      
 184:5       185:57      186:3       187:18      188:14      189:3      
 190:50      191:37      192:1487    193:252     194:122     195:84     
 196:150     197:111     198:499     199:310     200:254     201:39     
 202:638     203:425     204:347     205:206     206:205     207:189    
 208:89      209:133     210:184     211:14      212:168     213:15     
 214:7       216:143     217:14      218:25      219:8       220:17     
 222:5       223:2      

End of report


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