[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 27 20:16:28 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 27 Mar, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              183461
    Prefixes after maximum aggregation (per Origin AS):           80082
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100443
    Number of IPv4 prefixes with a valid ROA:                     69951
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         113491
Total ASes present in the Internet Routing Table:                 15567
    Prefixes per ASN:                                             11.79
Origin-only ASes present in the Internet Routing Table:           13446
Origin ASes announcing only one prefix:                            6116
Transit ASes present in the Internet Routing Table:                2121
Transit-only ASes present in the Internet Routing Table:            573
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              24
Prefixes from unregistered ASNs in the Routing Table:               223
    Number of instances of unregistered ASNs:                       223
Number of 32-bit ASNs allocated by the RIRs:                      43921
Number of 32-bit ASNs visible in the Routing Table:                5650
Prefixes from 32-bit ASNs in the Routing Table:                   18764
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:             96
Number of addresses announced to Internet:                   1026828473
    Equivalent to 61 /8s, 52 /16s and 40 /24s
    Percentage of available address space announced:               27.7
    Percentage of allocated address space announced:               27.7
    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:       53617

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

Prefixes being announced by APNIC Region ASes:                    28744
    Total APNIC prefixes after maximum aggregation:                6524
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28487
    Unique aggregates announced from the APNIC address blocks:     7548
APNIC Region origin ASes present in the Internet Routing Table:    1096
    APNIC Prefixes per ASN:                                       25.99
APNIC Region origin ASes announcing only one prefix:                431
APNIC Region transit ASes present in the Internet Routing Table:    178
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    470
Number of APNIC addresses announced to Internet:              157694088
    Equivalent to 9 /8s, 102 /16s and 56 /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:                     82659
    Total ARIN prefixes after maximum aggregation:                44875
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81542
    Unique aggregates announced from the ARIN address blocks:     50701
ARIN Region origin ASes present in the Internet Routing Table:     7189
    ARIN Prefixes per ASN:                                        11.34
ARIN Region origin ASes announcing only one prefix:                3065
ARIN Region transit ASes present in the Internet Routing Table:     642
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1463
Number of ARIN addresses announced to Internet:               607009633
    Equivalent to 36 /8s, 46 /16s and 59 /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:                     34864
    Total RIPE prefixes after maximum aggregation:                16512
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            35358
    Unique aggregates announced from the RIPE address blocks:     23312
RIPE Region origin ASes present in the Internet Routing Table:     3276
    RIPE Prefixes per ASN:                                        10.79
RIPE Region origin ASes announcing only one prefix:                1400
RIPE Region transit ASes present in the Internet Routing Table:     517
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1213
Number of RIPE addresses announced to Internet:               157160144
    Equivalent to 9 /8s, 94 /16s and 18 /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:                   32349
    Total LACNIC prefixes after maximum aggregation:              10229
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          32056
    Unique aggregates announced from the LACNIC address blocks:   15979
LACNIC Region origin ASes present in the Internet Routing Table:   3094
    LACNIC Prefixes per ASN:                                      10.36
LACNIC Region origin ASes announcing only one prefix:              1115
LACNIC Region transit ASes present in the Internet Routing Table:   615
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2376
Number of LACNIC addresses announced to Internet:              73937408
    Equivalent to 4 /8s, 104 /16s and 50 /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:                   4622
    Total AfriNIC prefixes after maximum aggregation:              1759
    AfriNIC Deaggregation factor:                                  2.63
Prefixes being announced from the AfriNIC address blocks:          5922
    Unique aggregates announced from the AfriNIC address blocks:   2813
AfriNIC Region origin ASes present in the Internet Routing Table:   243
    AfriNIC Prefixes per ASN:                                     24.37
AfriNIC Region origin ASes announcing only one prefix:              105
AfriNIC Region transit ASes present in the Internet Routing Table:   59
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  128
Number of AfriNIC addresses announced to Internet:             30973696
    Equivalent to 1 /8s, 216 /16s and 159 /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
  9808        9646       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1496        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1471        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1443        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         782        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         435        488     107  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9764      11359    3408  AMAZON-02, US
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2919       3600    1389  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1561        101    1152  USDA-1, US
  5972        1425        397     639  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         952        255      82  CANET-ASN-4, CA
 16625         842        392     775  AKAMAI-AS, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1278        108    1047  AKAMAI-ASN1, NL
  3215         901       4830     297  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         721         60      22  Jordan Data Communications, JO
  8452         544       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 58224         415        190     328  TCI, IR
 35819         386        378      73  MOBILY-AS Etihad Etisalat Company Mobil

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5371       1554     858  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         944       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         571       2949      46  TELEFONICA BRASIL S.A, BR
 10620         545         71     456  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 28343         321         63     100  UNIFIQUE TELECOMUNICACOES SA, BR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         680        242     210  LINKdotNET-AS, EG
 36992         404        638     266  ETISALAT-MISR, EG
  2018         380        319      71  TENET-1, ZA
 36935         266         67      80  Vodafone-, EG
 36914         205         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         164         28       3  RENU, UG
 37282         163         26       6  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9764      11359    3408  AMAZON-02, US
  9808        9646       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5371       1554     858  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2919       3600    1389  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1561        101    1152  USDA-1, US
 56047        1496        192      47  CMNET-HUNAN-AP China Mobile communicati

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9646         9586  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5371         4513  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2919         1530  DNIC-ASBLK-00306-00371, US
 56047        1496         1449  CMNET-HUNAN-AP China Mobile communications corp
   209        1695         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1443         1370  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1471         1361  CMNET-JIANGSU-AP China Mobile communications co
  3816        1312         1113  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.235.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM
41.79.128.0/22       Origin:     37475  RESERVED, ZZ
41.79.128.0/22      Transit:     15964  CAMNET-AS, CM

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:4       /10:14      /11:25      /12:74      
/13:115     /14:337     /15:675     /16:5273    /17:2513    /18:2598    
/19:5379    /20:8561    /21:10770   /22:19614   /23:20320   /24:106925  
/25:75      /26:48      /27:71      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2936        5371  UNINET, MX
 16509        2070        9764  AMAZON-02, US
   209         957        1695  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         695         836  BRSPD-PUBLIC, US
  6147         686        1088  Telefonica del Peru S.A.A., PE
  8376         566         721  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:8         2:378       3:285       5:1078      6:148       7:5      
   8:618      11:171      12:258      13:317      14:118      15:281    
  16:174      17:6        18:705      20:33       21:4        22:188    
  23:1796     24:405      25:2        27:17       29:19       31:164    
  32:1        34:5        35:53       36:1148     37:515      38:833    
  39:523      40:8        41:570      42:18       43:185      44:28     
  45:2324     46:579      47:99       49:11       50:251      51:470    
  52:1348     54:269      55:894      57:16       58:4        59:31     
  60:19       61:62       62:325      63:463      64:1441     65:794    
  66:1233     67:676      68:165      69:792      70:147      71:189    
  72:372      74:727      75:392      76:208      77:278      78:483    
  79:161      80:196      81:185      82:160      83:95       84:179    
  85:328      86:146      87:141      88:122      89:466      90:98     
  91:514      92:397      93:777      94:541      95:1075     96:165    
  97:31       98:125      99:146     100:22      101:25      102:222    
 103:1063    104:684     105:30      106:3       107:222     108:298    
 109:233     110:24      111:1756    112:447     113:40      114:32     
 115:11      116:31      117:948     118:50      119:97      120:1090   
 121:31      122:80      123:20      124:57      125:11      128:359    
 129:315     130:469     131:799     132:498     133:264     134:322    
 135:66      136:374     137:472     138:740     139:395     140:587    
 141:316     142:696     143:583     144:318     145:60      146:463    
 147:319     148:610     149:508     150:291     151:495     152:363    
 153:117     154:521     155:660     156:366     157:243     158:315    
 159:524     160:325     161:414     162:692     163:282     164:624    
 165:368     166:99      167:382     168:995     169:155     170:1256   
 171:64      172:906     173:618     174:103     175:46      176:399    
 177:770     178:318     179:516     180:42      181:1005    182:20     
 183:856     184:198     185:2224    186:1000    187:789     188:482    
 189:1124    190:2909    191:196     192:3684    193:1213    194:781    
 195:554     196:422     197:425     198:1904    199:3364    200:2708   
 201:2551    202:941     203:590     204:1765    205:1641    206:1129   
 207:1057    208:966     209:1431    210:306     211:423     212:673    
 213:523     214:1044    215:43      216:1688    217:282     218:515    
 219:19      220:30      221:300     222:17      223:629    

End of report


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