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

REN Routing Table Report cscora at frr.nsrc.org
Fri Jan 21 22:10:33 UTC 2022


IPv4 R&E Routing Table Report   22:10 GMT Fri 21 Jan, 2022

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

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

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

BGP routing table entries examined:                               22842
    Prefixes after maximum aggregation (per Origin AS):           11819
    Deaggregation factor:                                          1.93
    Unique aggregates announced (without unneeded subnets):       13681
    Number of IPv4 prefixes with a valid ROA:                      8037
    Number of IPv4 prefixes with an invalid ROA:                    168
    Number of IPv4 prefixes with no ROA:                          14637
Total ASes present in the Internet Routing Table:                  2729
    Prefixes per ASN:                                              8.37
Origin-only ASes present in the Internet Routing Table:            2354
Origin ASes announcing only one prefix:                            1089
Transit ASes present in the Internet Routing Table:                 375
Transit-only ASes present in the Internet Routing Table:             51
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              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:                      38350
Number of 32-bit ASNs visible in the Routing Table:                 613
Prefixes from 32-bit ASNs in the Routing Table:                    2810
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:              4
Number of addresses announced to Internet:                    239917309
    Equivalent to 14 /8s, 76 /16s and 216 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        3401

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

Prefixes being announced by APNIC Region ASes:                     4597
    Total APNIC prefixes after maximum aggregation:                2297
    APNIC Deaggregation factor:                                    2.00
Prefixes being announced from the APNIC address blocks:            4621
    Unique aggregates announced from the APNIC address blocks:     2586
APNIC Region origin ASes present in the Internet Routing Table:     567
    APNIC Prefixes per ASN:                                        8.15
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    219
Number of APNIC addresses announced to Internet:               45958464
    Equivalent to 2 /8s, 189 /16s and 69 /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:                     12227
    Total ARIN prefixes after maximum aggregation:                 5840
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:            12117
    Unique aggregates announced from the ARIN address blocks:      6960
ARIN Region origin ASes present in the Internet Routing Table:     1206
    ARIN Prefixes per ASN:                                        10.05
ARIN Region origin ASes announcing only one prefix:                 428
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     164
Number of ARIN addresses announced to Internet:               128923025
    Equivalent to 7 /8s, 175 /16s and 53 /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:                      3463
    Total RIPE prefixes after maximum aggregation:                 2794
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3539
    Unique aggregates announced from the RIPE address blocks:      2918
RIPE Region origin ASes present in the Internet Routing Table:      676
    RIPE Prefixes per ASN:                                         5.24
RIPE Region origin ASes announcing only one prefix:                 322
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                58126528
    Equivalent to 3 /8s, 118 /16s and 240 /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:                    1636
    Total LACNIC prefixes after maximum aggregation:                694
    LACNIC Deaggregation factor:                                   2.36
Prefixes being announced from the LACNIC address blocks:           1646
    Unique aggregates announced from the LACNIC address blocks:     917
LACNIC Region origin ASes present in the Internet Routing Table:    173
    LACNIC Prefixes per ASN:                                       9.51
LACNIC Region origin ASes announcing only one prefix:                67
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:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    70
Number of LACNIC addresses announced to Internet:               4152172
    Equivalent to 0 /8s, 63 /16s and 91 /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:                    915
    Total AfriNIC prefixes after maximum aggregation:               190
    AfriNIC Deaggregation factor:                                  4.82
Prefixes being announced from the AfriNIC address blocks:           915
    Unique aggregates announced from the AfriNIC address blocks:    296
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     17.60
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2756096
    Equivalent to 0 /8s, 42 /16s and 14 /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         619       2157     458  SINET-AS Research Organization of Infor
  7497         431        182      24  CSTNET-AS-AP Computer Network Informati
 58647         200         18       2  KAGAWAU-AS Kagawa University, JP
  1237         188         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re
  4538         127       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  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/CEDIA/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        1857       1575     546  AMAZON-02, US
396982        1075       1026     292  GOOGLE-CLOUD-PLATFORM, US
 15169         733       3274      64  GOOGLE, US
 14618         568       3987     434  AMAZON-AES, US
  7896         251         51       7  NU-AS, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
 36492         177         12      53  GOOGLEWIFI, US
  2152         144        507      86  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         185       1774     182  JANET Jisc Services Limited, GB
  8895         182         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          58         32      55  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         202        207      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 27947         110          0      84  Telconet S.A, EC
 11340         107         25      53  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          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
 28614          38          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         350        319      74  TENET-1, ZA
 36914         204         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
327687          39         28       3  RENU, UG
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37182          12          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        1857       1575     546  AMAZON-02, US
396982        1075       1026     292  GOOGLE-CLOUD-PLATFORM, US
 15169         733       3274      64  GOOGLE, US
  2907         619       2157     458  SINET-AS Research Organization of Infor
 14618         568       3987     434  AMAZON-AES, US
  7497         431        182      24  CSTNET-AS-AP Computer Network Informati
  2018         350        319      74  TENET-1, ZA
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
 36914         204         82       3  KENET-AS, KE

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

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

   ASN  No of nets  Net Savings  Description
396982        1075          783  GOOGLE-CLOUD-PLATFORM, US
 15169         733          669  GOOGLE, US
  7497         431          407  CSTNET-AS-AP Computer Network Information Cente
  2018         350          276  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         204          201  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         200          198  KAGAWAU-AS Kagawa University, JP
  8895         182          178  ISU Internet Services Unit ISU, SA
  2907         619          161  SINET-AS Research Organization of Information a

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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/CEDIA/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:     11537  INTERNET2-RESEARCH-EDU, US
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
216.169.147.0/24    Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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      
/13:32      /14:77      /15:159     /16:2094    /17:432     /18:454     
/19:695     /20:1664    /21:963     /22:1498    /23:1630    /24:12703   
/25:78      /26:64      /27:62      /28:28      /29:88      /30:32      
/31:22      /32:44      

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

   ASN  No of nets  Total ann.  Description
 16509         546        1857  AMAZON-02, US
 15169         273         733  GOOGLE, US
 36914         191         204  KENET-AS, KE
 14618         188         568  AMAZON-AES, US
  8895         177         182  ISU Internet Services Unit ISU, SA
396982         100        1075  GOOGLE-CLOUD-PLATFORM, US
 27947          99         110  Telconet S.A, EC
 23024          53          56  OCDE, US
 36492          40         177  GOOGLEWIFI, US
327700          39          45  MoRENet, MZ

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

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

   1:4         3:56        5:17        8:4        12:1        13:158    
  14:85       15:30       16:5        18:43       23:70       24:3      
  31:9        35:8        37:6        38:9        40:1        41:125    
  42:8        44:5        45:52       46:10       47:1        49:8      
  50:1        52:472      54:159      59:4        60:4        61:3      
  62:7        63:37       64:128      65:5        66:57       67:60     
  68:10       69:35       70:15       71:3        72:31       74:103    
  75:128      76:165      77:9        78:3        79:10       80:16     
  81:28       82:6        83:7        84:5        85:38       86:4      
  87:1        88:1        89:16       91:52       92:2        93:19     
  94:4        95:5        96:6        97:1        98:9        99:167    
 101:6       102:13      103:312     104:96      106:1       107:18     
 108:68      109:13      110:3       111:20      112:4       114:23     
 116:5       117:61      119:21      121:26      123:8       124:39     
 125:4       128:86      129:179     130:108     131:83      132:58     
 133:140     134:98      135:20      136:266     137:92      138:8      
 139:16      140:38      141:4       142:162     143:43      144:68     
 145:2       146:137     147:65      148:197     149:18      150:35     
 151:7       152:80      153:11      154:25      155:54      156:69     
 157:28      158:44      159:119     160:25      161:21      162:41     
 163:65      164:31      165:57      166:1       167:22      168:192    
 169:10      170:77      171:1       172:113     173:96      174:1      
 175:31      176:12      177:12      178:3       179:10      180:21     
 181:12      182:6       184:4       185:70      186:3       187:18     
 188:19      189:5       190:37      191:33      192:1431    193:253    
 194:122     195:90      196:150     197:117     198:474     199:283    
 200:240     201:36      202:608     203:416     204:344     205:189    
 206:214     207:182     208:89      209:149     210:182     211:13     
 212:174     213:15      216:148     217:24      218:25      219:6      
 220:17      222:5       223:3      

End of report


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