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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jun 10 22:11:07 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Mon 10 Jun, 2024

  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:                               25360
    Prefixes after maximum aggregation (per Origin AS):           12638
    Deaggregation factor:                                          2.01
    Unique aggregates announced (without unneeded subnets):       14257
    Number of IPv4 prefixes with a valid ROA:                     12799
    Number of IPv4 prefixes with an invalid ROA:                    172
    Number of IPv4 prefixes with no ROA:                          12389
Total ASes present in the Internet Routing Table:                  2729
    Prefixes per ASN:                                              9.29
Origin-only ASes present in the Internet Routing Table:            2358
Origin ASes announcing only one prefix:                            1037
Transit ASes present in the Internet Routing Table:                 371
Transit-only ASes present in the Internet Routing Table:             70
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      16
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      44722
Number of 32-bit ASNs visible in the Routing Table:                 644
Prefixes from 32-bit ASNs in the Routing Table:                    4644
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:                    237194553
    Equivalent to 14 /8s, 35 /16s and 77 /24s
    Percentage of available address space announced:                6.4
    Percentage of allocated address space announced:                6.4
    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:        3393

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

Prefixes being announced by APNIC Region ASes:                     4609
    Total APNIC prefixes after maximum aggregation:                2271
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4669
    Unique aggregates announced from the APNIC address blocks:     2615
APNIC Region origin ASes present in the Internet Routing Table:     547
    APNIC Prefixes per ASN:                                        8.54
APNIC Region origin ASes announcing only one prefix:                230
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               45680960
    Equivalent to 2 /8s, 185 /16s and 9 /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:                     14794
    Total ARIN prefixes after maximum aggregation:                 6682
    ARIN Deaggregation factor:                                     2.21
Prefixes being announced from the ARIN address blocks:            14547
    Unique aggregates announced from the ARIN address blocks:      7450
ARIN Region origin ASes present in the Internet Routing Table:     1246
    ARIN Prefixes per ASN:                                        11.67
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     210
Number of ARIN addresses announced to Internet:               127228657
    Equivalent to 7 /8s, 149 /16s and 90 /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, 393216-402332
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:                      3618
    Total RIPE prefixes after maximum aggregation:                 2891
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3794
    Unique aggregates announced from the RIPE address blocks:      3177
RIPE Region origin ASes present in the Internet Routing Table:      677
    RIPE Prefixes per ASN:                                         5.60
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     152
Number of RIPE addresses announced to Internet:                57723280
    Equivalent to 3 /8s, 112 /16s and 201 /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
                       196608-216475
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:                    1486
    Total LACNIC prefixes after maximum aggregation:                644
    LACNIC Deaggregation factor:                                   2.31
Prefixes being announced from the LACNIC address blocks:           1491
    Unique aggregates announced from the LACNIC address blocks:     815
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       9.50
LACNIC Region origin ASes announcing only one prefix:                49
LACNIC Region transit ASes present in the Internet Routing Table:    26
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:    62
Number of LACNIC addresses announced to Internet:               4147832
    Equivalent to 0 /8s, 63 /16s and 74 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                    851
    Total AfriNIC prefixes after maximum aggregation:               148
    AfriNIC Deaggregation factor:                                  5.75
Prefixes being announced from the AfriNIC address blocks:           854
    Unique aggregates announced from the AfriNIC address blocks:    195
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     27.55
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:              2412544
    Equivalent to 0 /8s, 36 /16s and 208 /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         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  1237         193         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  9411          82         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH

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        2761       3633     410  GOOGLE-CLOUD-PLATFORM, US
 16509        2206       1720     968  AMAZON-02, US
 14618         926       4168     706  AMAZON-AES, US
 15169         823       1997      62  GOOGLE, US
   376         203        162     152  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         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         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         160         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          76         26      66  RUNNET, RU

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         156        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         118         25      55  Red Universitaria Nacional, CL
 27947         116          0      88  Telconet S.A, EC
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 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         379        319      71  TENET-1, ZA
 36914         251         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          44         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          12          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          1       6  RwEdNet-AS, RW

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        2761       3633     410  GOOGLE-CLOUD-PLATFORM, US
 16509        2206       1720     968  AMAZON-02, US
 14618         926       4168     706  AMAZON-AES, US
 15169         823       1997      62  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  2018         379        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         251         82       3  KENET-AS, KE
   376         203        162     152  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        2206         1238  AMAZON-02, US
 15169         823          761  GOOGLE, US
  7497         440          416  CSTNET-AS-AP Computer Network Information Cente
  2018         379          308  TENET-1, ZA
 36914         251          248  KENET-AS, KE
 14618         926          220  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
  8895         160          155  ISU Internet Services Unit ISU, SA

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
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US

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

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

Unassigned Network     ASN Information  AS Name
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, US
192.31.196.0/24      Origin:       112  RESERVED, ZZ
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
199.91.149.0/24      Origin:     14618  AMAZON-AES, US
199.91.149.0/24     Transit:     16509  AMAZON-02, US
204.153.219.0/24     Origin:     14618  AMAZON-AES, US
204.153.219.0/24    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       /10:1       /11:4       /12:19      
/13:35      /14:79      /15:160     /16:2074    /17:506     /18:498     
/19:733     /20:2798    /21:1032    /22:1659    /23:1733    /24:13651   
/25:77      /26:52      /27:70      /28:21      /29:77      /30:34      
/31:38      /32:8       

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

   ASN  No of nets  Total ann.  Description
 16509         328        2206  AMAZON-02, US
 14618         306         926  AMAZON-AES, US
 15169         275         823  GOOGLE, US
 36914         238         251  KENET-AS, KE
396982         222        2761  GOOGLE-CLOUD-PLATFORM, US
  8895         155         160  ISU Internet Services Unit ISU, SA
 27947          91         116  Telconet S.A, EC
 32440          85         119  LONI, US
 23024          49         106  OCDE, US
327700          39          44  MoRENet, MZ

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

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

   1:2         3:85        5:21        8:28       12:1        13:45     
  14:91       15:71       16:115      18:70       23:109      24:3      
  31:3        34:23       35:49       36:1        38:10       40:5      
  41:199      42:10       43:2        44:7        45:60       46:11     
  47:1        49:9        50:5        52:552      54:163      59:19     
  60:6        61:3        62:9        63:36       64:160      65:16     
  66:82       67:63       68:15       69:44       70:43       71:3      
  72:11       74:151      75:1        76:47       77:12       78:3      
  79:10       80:14       81:26       82:6        83:7        84:7      
  85:45       86:5        87:4        88:1        89:21       91:61     
  92:5        93:5        94:2        95:2        96:2        97:1      
  98:10       99:47      101:2       102:7       103:296     104:229    
 107:35      108:105     109:12      114:32      115:1       116:10     
 117:62      118:34      119:21      121:11      122:8       123:8      
 124:41      125:5       128:88      129:44      130:138     131:65     
 132:66      133:157     134:108     135:3       136:298     137:66     
 138:59      139:17      140:42      141:7       142:265     143:25     
 144:40      145:3       146:145     147:75      148:202     149:17     
 150:42      151:20      152:139     153:15      154:28      155:77     
 156:136     157:29      158:42      159:152     160:30      161:29     
 162:104     163:66      164:24      165:66      166:1       167:25     
 168:157     169:10      170:154     171:1       172:113     173:116    
 174:2       175:18      176:10      177:5       178:1       179:11     
 180:15      182:1       184:2       185:109     186:3       187:18     
 188:18      189:3       190:2       191:13      192:1429    193:279    
 194:127     195:73      196:154     197:116     198:465     199:315    
 200:245     201:34      202:614     203:430     204:382     205:155    
 206:212     207:234     208:145     209:175     210:194     211:14     
 212:167     213:16      216:192     217:12      218:22      219:5      
 220:17      222:2       223:14     

End of report


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