[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view

REN Routing Table Report cscora at frr.nsrc.org
Sun Nov 14 22:05:33 UTC 2021


Global R&E Routing Table Report   22:05 GMT Sun 14 Nov, 2021

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

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

BGP routing table entries examined:                               22319
    Prefixes after maximum aggregation (per Origin AS):           12289
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       14580
Total ASes present in the Internet Routing Table:                  2798
    Prefixes per ASN:                                              7.98
Origin-only ASes present in the Internet Routing Table:            2410
Origin ASes announcing only one prefix:                            1111
Transit ASes present in the Internet Routing Table:                 388
Transit-only ASes present in the Internet Routing Table:             54
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      37834
Number of 32-bit ASNs visible in the Routing Table:                 625
Prefixes from 32-bit ASNs in the Routing Table:                    1806
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:                    289723392
    Equivalent to 17 /8s, 68 /16s and 212 /24s
    Percentage of available address space announced:                7.8
    Percentage of allocated address space announced:                7.8
    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:        2850

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

Prefixes being announced by APNIC Region ASes:                     4687
    Total APNIC prefixes after maximum aggregation:                2328
    APNIC Deaggregation factor:                                    2.01
Prefixes being announced from the APNIC address blocks:            4752
    Unique aggregates announced from the APNIC address blocks:     2716
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.15
APNIC Region origin ASes announcing only one prefix:                249
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    225
Number of APNIC addresses announced to Internet:               46781184
    Equivalent to 2 /8s, 201 /16s and 211 /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:                     11824
    Total ARIN prefixes after maximum aggregation:                 6402
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:            11683
    Unique aggregates announced from the ARIN address blocks:      7821
ARIN Region origin ASes present in the Internet Routing Table:     1253
    ARIN Prefixes per ASN:                                         9.32
ARIN Region origin ASes announcing only one prefix:                 446
ARIN Region transit ASes present in the Internet Routing Table:     165
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     160
Number of ARIN addresses announced to Internet:               175640832
    Equivalent to 10 /8s, 120 /16s and 17 /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:                      3377
    Total RIPE prefixes after maximum aggregation:                 2743
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3456
    Unique aggregates announced from the RIPE address blocks:      2873
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         5.17
RIPE Region origin ASes announcing only one prefix:                 322
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     133
Number of RIPE addresses announced to Internet:                59814656
    Equivalent to 3 /8s, 144 /16s and 179 /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:                    1510
    Total LACNIC prefixes after maximum aggregation:                621
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1513
    Unique aggregates announced from the LACNIC address blocks:     867
LACNIC Region origin ASes present in the Internet Routing Table:    183
    LACNIC Prefixes per ASN:                                       8.27
LACNIC Region origin ASes announcing only one prefix:                72
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    81
Number of LACNIC addresses announced to Internet:               4598016
    Equivalent to 0 /8s, 70 /16s and 41 /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:                    906
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  4.82
Prefixes being announced from the AfriNIC address blocks:           908
    Unique aggregates announced from the AfriNIC address blocks:    296
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     17.80
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   13
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2886912
    Equivalent to 0 /8s, 44 /16s and 13 /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         610       2157     457  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  7575         176        329     122  AARNET-AS-AP Australian Academic and Re
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         128         19      22  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/CENIC/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2525       4281     871  AMAZON-02, US
 14618         543       3985     413  AMAZON-AES, US
  7896         250         51       7  NU-AS, US
   668         211        702     182  DNIC-AS-00668, US
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         204        178     153  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  2152         159        507      88  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         276       1998     237  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         143         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/CENIC/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        207      41  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          43         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/CENIC/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         343        319      73  TENET-1, ZA
327687         124         28       3  RENU, UG
 36914          98         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          12          8       1  TERNET, TZ
 37074          11          8       2  UG-AS, GH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2525       4281     871  AMAZON-02, US
  2907         610       2157     457  SINET-AS Research Organization of Infor
 14618         543       3985     413  AMAZON-AES, US
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  2018         343        319      73  TENET-1, ZA
   680         276       1998     237  DFN Verein zur Foerderung eines Deutsch
  7896         250         51       7  NU-AS, US
   668         211        702     182  DNIC-AS-00668, US
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         204        178     153  RISQ-AS, CA

Complete listing at https://bgp.nsrc.org/REN/CENIC/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         343          270  TENET-1, ZA
  7896         250          243  NU-AS, US
  5786         195          194  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  2907         610          153  SINET-AS Research Organization of Information a
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         177          136  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         136          132  NETBLK-RCOEK, US
 14618         543          130  AMAZON-AES, US

Complete listing at https://bgp.nsrc.org/REN/CENIC/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
    396334  UNALLOCATED  205.143.136.0/21          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.136.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.137.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.138.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.139.0/24          5078  ONENET-AS-1, US

Complete listing at https://bgp.nsrc.org/REN/CENIC/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/CENIC/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:      2152  CSUNET-NW, 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/CENIC/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       /10:4       /11:7       /12:29      
/13:34      /14:81      /15:200     /16:2149    /17:452     /18:471     
/19:612     /20:1000    /21:1009    /22:1590    /23:1717    /24:12963   
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 16509         663        2525  AMAZON-02, US
 14618         178         543  AMAZON-AES, US
  8895         138         143  ISU Internet Services Unit ISU, SA
 36914          84          98  KENET-AS, KE
 23024          53         114  OCDE, US
327700          37          43  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
 18632          29          55  VOLCANO-VISION, US

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

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

   1:5         3:76        4:2         5:16        6:4         8:2      
  12:1        13:209      14:84       15:33       18:42       23:34     
  24:6        31:6        35:1        37:6        38:9        40:3      
  41:148      42:8        44:5        45:80       46:8        47:1      
  49:10       50:9        52:661      54:170      58:1        59:20     
  60:4        61:3        62:7        63:42       64:124      65:9      
  66:69       67:61       68:18       69:47       70:7        71:9      
  72:20       74:40       75:128      76:164      77:8        78:3      
  79:10       80:17       81:27       82:6        83:7        84:4      
  85:37       86:9        87:1        88:1        89:12       91:55     
  92:1        93:19       94:4        95:6        96:6        97:1      
  98:11       99:176     101:6       102:16      103:336     104:108    
 106:1       107:24      108:21      109:11      110:3       111:21     
 112:4       113:1       114:23      116:5       117:61      118:32     
 119:20      121:26      122:11      123:8       124:39      125:4      
 128:83      129:181     130:111     131:102     132:61      133:138    
 134:100     135:1       136:199     137:150     138:9       139:16     
 140:50      141:3       142:59      143:37      144:65      145:1      
 146:126     147:66      148:167     149:16      150:48      151:8      
 152:79      153:11      154:24      155:59      156:70      157:27     
 158:45      159:120     160:32      161:21      162:54      163:74     
 164:52      165:60      166:1       167:23      168:201     169:10     
 170:114     171:1       172:10      173:16      174:1       175:31     
 176:12      177:10      178:3       179:13      180:21      181:12     
 182:6       184:5       185:57      186:3       187:18      188:14     
 189:3       190:54      191:37      192:1498    193:258     194:123    
 195:87      196:171     197:5       198:538     199:314     200:253    
 201:39      202:642     203:427     204:359     205:201     206:213    
 207:192     208:95      209:139     210:184     211:14      212:172    
 213:13      214:7       216:133     217:14      218:25      219:8      
 220:17      222:5       223:2      

End of report


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