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

REN Routing Table Report cscora at frr.nsrc.org
Sat May 14 22:10:40 UTC 2022


IPv4 R&E Routing Table Report   22:10 GMT Sat 14 May, 2022

  IPv4 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:                               23428
    Prefixes after maximum aggregation (per Origin AS):           12112
    Deaggregation factor:                                          1.93
    Unique aggregates announced (without unneeded subnets):       13629
    Number of IPv4 prefixes with a valid ROA:                      8925
    Number of IPv4 prefixes with an invalid ROA:                    178
    Number of IPv4 prefixes with no ROA:                          14325
Total ASes present in the Internet Routing Table:                  2736
    Prefixes per ASN:                                              8.56
Origin-only ASes present in the Internet Routing Table:            2356
Origin ASes announcing only one prefix:                            1064
Transit ASes present in the Internet Routing Table:                 380
Transit-only ASes present in the Internet Routing Table:             58
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      18
    Max AS path prepend of ASN (  1149)                              11
Prefixes from unregistered ASNs in the Routing Table:                 9
    Number of instances of unregistered ASNs:                         9
Number of 32-bit ASNs allocated by the RIRs:                      39381
Number of 32-bit ASNs visible in the Routing Table:                 622
Prefixes from 32-bit ASNs in the Routing Table:                    3448
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:              5
Number of addresses announced to Internet:                    239827813
    Equivalent to 14 /8s, 75 /16s and 123 /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:               99.6
Total number of prefixes smaller than registry allocations:        3110

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

Prefixes being announced by APNIC Region ASes:                     4761
    Total APNIC prefixes after maximum aggregation:                2311
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4798
    Unique aggregates announced from the APNIC address blocks:     2647
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.23
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     71
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    228
Number of APNIC addresses announced to Internet:               45975872
    Equivalent to 2 /8s, 189 /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:                     12670
    Total ARIN prefixes after maximum aggregation:                 6098
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:            12497
    Unique aggregates announced from the ARIN address blocks:      6853
ARIN Region origin ASes present in the Internet Routing Table:     1208
    ARIN Prefixes per ASN:                                        10.35
ARIN Region origin ASes announcing only one prefix:                 426
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:     176
Number of ARIN addresses announced to Internet:               129002673
    Equivalent to 7 /8s, 176 /16s and 108 /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:                      3543
    Total RIPE prefixes after maximum aggregation:                 2849
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3674
    Unique aggregates announced from the RIPE address blocks:      2990
RIPE Region origin ASes present in the Internet Routing Table:      673
    RIPE Prefixes per ASN:                                         5.46
RIPE Region origin ASes announcing only one prefix:                 305
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     133
Number of RIPE addresses announced to Internet:                57942528
    Equivalent to 3 /8s, 116 /16s and 34 /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:                    1518
    Total LACNIC prefixes after maximum aggregation:                649
    LACNIC Deaggregation factor:                                   2.34
Prefixes being announced from the LACNIC address blocks:           1528
    Unique aggregates announced from the LACNIC address blocks:     847
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       9.61
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    60
Number of LACNIC addresses announced to Internet:               4235124
    Equivalent to 0 /8s, 64 /16s and 159 /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:                    927
    Total AfriNIC prefixes after maximum aggregation:               196
    AfriNIC Deaggregation factor:                                  4.73
Prefixes being announced from the AfriNIC address blocks:           926
    Unique aggregates announced from the AfriNIC address blocks:    287
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     19.29
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2670336
    Equivalent to 0 /8s, 40 /16s and 191 /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       2140     456  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
 58647         201         18       2  KAGAWAU-AS Kagawa University, JP
  1237         190         74     135  KREONET-AS-KR KISTI, KR
  7575         177        330     123  AARNET-AS-AP Australian Academic and Re
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         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
396982        1722       1935     354  GOOGLE-CLOUD-PLATFORM, US
 16509        1700       1601     666  AMAZON-02, US
 15169         736       3278      65  GOOGLE, US
 14618         599       3988     458  AMAZON-AES, US
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
 36492         196         13      53  GOOGLEWIFI, US
  2152         154        507      89  CSUNET-NW, US
 18558         121         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, 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         284       1967     251  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         180         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
  2614          96         27      76  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          63        583      58  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/CEDIA/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         174        208      46  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 27947         117          0      86  Telconet S.A, EC
 11340         106         25      52  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          43         16       1  Red de Interconexion Universitaria, AR
 28614          37          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/CEDIA/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         376        319      74  TENET-1, ZA
 36914         211         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          49         48       9  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/CEDIA/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        1722       1935     354  GOOGLE-CLOUD-PLATFORM, US
 16509        1700       1601     666  AMAZON-02, US
 15169         736       3278      65  GOOGLE, US
  2907         619       2140     456  SINET-AS Research Organization of Infor
 14618         599       3988     458  AMAZON-AES, US
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      74  TENET-1, ZA
   680         284       1967     251  DFN Verein zur Foerderung eines Deutsch
 36914         211         82       3  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA

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

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

   ASN  No of nets  Net Savings  Description
 16509        1700         1034  AMAZON-02, US
 15169         736          671  GOOGLE, US
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         376          302  TENET-1, ZA
 36914         211          208  KENET-AS, KE
 58647         201          199  KAGAWAU-AS Kagawa University, JP
  5786         200          199  UPRENET, PR
  8895         180          176  ISU Internet Services Unit ISU, SA
  2907         619          163  SINET-AS Research Organization of Information a
 36492         196          143  GOOGLEWIFI, US

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
     14212  UNALLOCATED  198.189.240.0/24          2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     14212  UNALLOCATED  205.155.0.0/19            2152  CSUNET-NW, US
     14212  UNALLOCATED  205.155.240.0/20          2152  CSUNET-NW, 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/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
76.76.19.0/24        Origin:     16509  AMAZON-02, US
76.76.19.0/24       Transit:     27750  Cooperacion Latino Americana de Redes Av
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       /12:19      
/13:33      /14:78      /15:180     /16:2091    /17:459     /18:469     
/19:703     /20:2143    /21:952     /22:1525    /23:1664    /24:12629   
/25:90      /26:67      /27:91      /28:26      /29:100     /30:32      
/31:27      /32:44      

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

   ASN  No of nets  Total ann.  Description
 15169         273         736  GOOGLE, US
 16509         234        1700  AMAZON-02, US
 36914         198         211  KENET-AS, KE
 14618         197         599  AMAZON-AES, US
  8895         175         180  ISU Internet Services Unit ISU, SA
396982         147        1722  GOOGLE-CLOUD-PLATFORM, US
 27947         100         117  Telconet S.A, EC
 32440          73          88  LONI, US
 23024          53         114  OCDE, US
 36492          40         196  GOOGLEWIFI, US

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

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

   1:3         3:56        5:16        8:4        12:1        13:41     
  14:85       15:44       16:5        18:51       23:73       24:3      
  31:9        34:1        35:37       37:7        38:9        40:1      
  41:121      42:10       44:5        45:45       46:11       47:1      
  49:10       50:1        52:512      54:224      58:1        59:20     
  60:4        61:3        62:7        63:37       64:153      65:7      
  66:60       67:59       68:10       69:34       70:42       71:3      
  72:15       74:103      76:38       77:9        78:3        79:10     
  80:17       81:28       82:5        83:6        84:5        85:44     
  86:4        87:2        88:1        89:16       91:53       92:1      
  93:10       94:4        95:4        96:6        97:1        98:9      
  99:40      101:7       102:8       103:339     104:185     107:34     
 108:85      109:13      110:4       111:16      114:29      116:7      
 117:61      118:32      119:23      121:27      122:8       123:8      
 124:39      125:4       128:91      129:41      130:145     131:84     
 132:58      133:140     134:94      135:21      136:282     137:87     
 138:9       139:17      140:38      141:3       142:163     143:39     
 144:40      145:9       146:138     147:67      148:197     149:17     
 150:40      151:7       152:80      153:13      154:29      155:55     
 156:69      157:28      158:46      159:149     160:25      161:29     
 162:52      163:62      164:28      165:60      166:1       167:22     
 168:153     169:12      170:82      171:1       172:113     173:109    
 174:1       175:31      176:12      177:11      178:2       179:8      
 180:21      182:6       184:8       185:74      186:3       187:19     
 188:19      189:5       190:22      191:33      192:1441    193:312    
 194:126     195:84      196:164     197:122     198:484     199:295    
 200:227     201:35      202:631     203:426     204:337     205:192    
 206:216     207:183     208:103     209:152     210:184     211:15     
 212:151     213:15      216:152     217:20      218:22      219:6      
 220:17      222:5       223:3      

End of report


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