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

REN Routing Table Report cscora at frr.nsrc.org
Mon May 22 22:10:41 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Mon 22 May, 2023

  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:                               25276
    Prefixes after maximum aggregation (per Origin AS):           12457
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14164
    Number of IPv4 prefixes with a valid ROA:                     11057
    Number of IPv4 prefixes with an invalid ROA:                    192
    Number of IPv4 prefixes with no ROA:                          14027
Total ASes present in the Internet Routing Table:                  2766
    Prefixes per ASN:                                              9.14
Origin-only ASes present in the Internet Routing Table:            2383
Origin ASes announcing only one prefix:                            1054
Transit ASes present in the Internet Routing Table:                 383
Transit-only ASes present in the Internet Routing Table:             67
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
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:                      41916
Number of 32-bit ASNs visible in the Routing Table:                 649
Prefixes from 32-bit ASNs in the Routing Table:                    4543
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              5
Number of addresses announced to Internet:                    243177042
    Equivalent to 14 /8s, 126 /16s and 150 /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:               99.6
Total number of prefixes smaller than registry allocations:        3350

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

Prefixes being announced by APNIC Region ASes:                     4738
    Total APNIC prefixes after maximum aggregation:                2318
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4784
    Unique aggregates announced from the APNIC address blocks:     2696
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.26
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    223
Number of APNIC addresses announced to Internet:               45910592
    Equivalent to 2 /8s, 188 /16s and 138 /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, 131072-153913
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:                     14214
    Total ARIN prefixes after maximum aggregation:                 6362
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14015
    Unique aggregates announced from the ARIN address blocks:      7172
ARIN Region origin ASes present in the Internet Routing Table:     1220
    ARIN Prefixes per ASN:                                        11.49
ARIN Region origin ASes announcing only one prefix:                 422
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     188
Number of ARIN addresses announced to Internet:               132438433
    Equivalent to 7 /8s, 228 /16s and 217 /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:                      3654
    Total RIPE prefixes after maximum aggregation:                 2879
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3804
    Unique aggregates announced from the RIPE address blocks:      3104
RIPE Region origin ASes present in the Internet Routing Table:      685
    RIPE Prefixes per ASN:                                         5.55
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     145
Number of RIPE addresses announced to Internet:                58102528
    Equivalent to 3 /8s, 118 /16s and 147 /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:                    1645
    Total LACNIC prefixes after maximum aggregation:                686
    LACNIC Deaggregation factor:                                   2.40
Prefixes being announced from the LACNIC address blocks:           1648
    Unique aggregates announced from the LACNIC address blocks:     894
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                      10.30
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4037489
    Equivalent to 0 /8s, 61 /16s and 155 /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:                   1021
    Total AfriNIC prefixes after maximum aggregation:               208
    AfriNIC Deaggregation factor:                                  4.91
Prefixes being announced from the AfriNIC address blocks:          1020
    Unique aggregates announced from the AfriNIC address blocks:    293
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     19.62
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2686464
    Equivalent to 0 /8s, 40 /16s and 254 /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         607       2154     466  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  1237         194         74     140  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         117         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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        2655       3592     372  GOOGLE-CLOUD-PLATFORM, US
 16509        2072       1642     802  AMAZON-02, US
 15169         821       2254      63  GOOGLE, US
 14618         771       4014     571  AMAZON-AES, US
   376         202        178     150  RISQ-AS, CA
  5786         170         16       1  UPRENET, PR
  2152         140        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
 36492         126          9      33  GOOGLEWIFI, 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         283       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         177         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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         260        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         122          0      92  Telconet S.A, EC
 11340         114         25      51  Red Universitaria Nacional, CL
  1251          61         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

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         382        319      72  TENET-1, ZA
 36914         256         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          57         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          12          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        2655       3592     372  GOOGLE-CLOUD-PLATFORM, US
 16509        2072       1642     802  AMAZON-02, US
 15169         821       2254      63  GOOGLE, US
 14618         771       4014     571  AMAZON-AES, US
  2907         607       2154     466  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         382        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
  1916         260        208      44  Rede Nacional de Ensino e Pesquisa, BR
 36914         256         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
 16509        2072         1270  AMAZON-02, US
 15169         821          758  GOOGLE, US
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         382          310  TENET-1, ZA
 36914         256          253  KENET-AS, KE
  1916         260          216  Rede Nacional de Ensino e Pesquisa, BR
 14618         771          200  AMAZON-AES, US
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         177          172  ISU Internet Services Unit ISU, SA
  5786         170          169  UPRENET, PR

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     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
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

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       /11:4       /12:20      
/13:34      /14:81      /15:160     /16:2085    /17:489     /18:484     
/19:724     /20:2767    /21:1022    /22:1639    /23:1708    /24:13602   
/25:95      /26:75      /27:91      /28:27      /29:82      /30:41      
/31:32      /32:11      

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

   ASN  No of nets  Total ann.  Description
 16509         285        2072  AMAZON-02, US
 15169         273         821  GOOGLE, US
 14618         251         771  AMAZON-AES, US
 36914         244         256  KENET-AS, KE
396982         188        2655  GOOGLE-CLOUD-PLATFORM, US
  8895         172         177  ISU Internet Services Unit ISU, SA
 27947          95         122  Telconet S.A, EC
 32440          79         108  LONI, US
 23024          52         113  OCDE, US
  1916          39         260  Rede Nacional de Ensino e Pesquisa, BR

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

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

   1:2         3:69        5:18        8:28       12:1        13:43     
  14:88       15:66       16:105      18:52       23:115      24:3      
  31:10       34:18       35:50       38:9        40:1        41:116    
  42:10       44:8        45:54       46:10       47:1        49:6      
  50:2        52:559      54:228      58:1        59:19       60:4      
  61:3        62:12       63:36       64:160      65:13       66:65     
  67:59       68:10       69:35       70:43       71:3        72:13     
  74:143      76:45       77:11       78:3        79:10       80:17     
  81:26       82:7        83:6        84:10       85:47       86:10     
  87:2        88:1        89:17       91:57       92:3        93:4      
  94:4        95:2        96:7        97:1        98:11       99:47     
 101:7       102:17      103:323     104:201     107:33      108:99     
 109:12      110:2       111:16      114:31      115:1       116:8      
 117:61      118:32      119:21      121:29      122:8       123:8      
 124:39      125:4       128:87      129:45      130:142     131:56     
 132:52      133:157     134:100     135:4       136:265     137:102    
 138:10      139:18      140:36      141:4       142:269     143:29     
 144:39      145:2       146:143     147:65      148:201     149:16     
 150:130     151:13      152:146     153:14      154:31      155:65     
 156:69      157:40      158:40      159:148     160:27      161:32     
 162:65      163:80      164:20      165:57      166:1       167:24     
 168:161     169:12      170:113     171:1       172:113     173:112    
 174:2       175:31      176:11      177:9       178:1       179:9      
 180:15      182:1       184:3       185:99      186:3       187:18     
 188:19      189:3       190:5       191:36      192:1462    193:356    
 194:128     195:106     196:168     197:161     198:485     199:299    
 200:305     201:36      202:645     203:432     204:367     205:148    
 206:198     207:188     208:125     209:160     210:189     211:17     
 212:170     213:15      216:166     217:11      218:22      219:6      
 220:16      222:5       223:4      

End of report


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