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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 4 20:16:33 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 04 May, 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:                              185975
    Prefixes after maximum aggregation (per Origin AS):           81547
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101660
    Number of IPv4 prefixes with a valid ROA:                     72697
    Number of IPv4 prefixes with an invalid ROA:                     21
    Number of IPv4 prefixes with no ROA:                         113257
Total ASes present in the Internet Routing Table:                 15752
    Prefixes per ASN:                                             11.81
Origin-only ASes present in the Internet Routing Table:           13607
Origin ASes announcing only one prefix:                            6201
Transit ASes present in the Internet Routing Table:                2145
Transit-only ASes present in the Internet Routing Table:            581
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               232
    Number of instances of unregistered ASNs:                       232
Number of 32-bit ASNs allocated by the RIRs:                      44381
Number of 32-bit ASNs visible in the Routing Table:                5675
Prefixes from 32-bit ASNs in the Routing Table:                   19051
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:             93
Number of addresses announced to Internet:                   1112849825
    Equivalent to 66 /8s, 84 /16s and 189 /24s
    Percentage of available address space announced:               30.1
    Percentage of allocated address space announced:               30.1
    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:       53360

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

Prefixes being announced by APNIC Region ASes:                    29810
    Total APNIC prefixes after maximum aggregation:                6934
    APNIC Deaggregation factor:                                    4.30
Prefixes being announced from the APNIC address blocks:           29487
    Unique aggregates announced from the APNIC address blocks:     7943
APNIC Region origin ASes present in the Internet Routing Table:    1145
    APNIC Prefixes per ASN:                                       25.75
APNIC Region origin ASes announcing only one prefix:                461
APNIC Region transit ASes present in the Internet Routing Table:    198
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    496
Number of APNIC addresses announced to Internet:              200207472
    Equivalent to 11 /8s, 238 /16s and 236 /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:                     85087
    Total ARIN prefixes after maximum aggregation:                46422
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83725
    Unique aggregates announced from the ARIN address blocks:     51477
ARIN Region origin ASes present in the Internet Routing Table:     7305
    ARIN Prefixes per ASN:                                        11.46
ARIN Region origin ASes announcing only one prefix:                3142
ARIN Region transit ASes present in the Internet Routing Table:     637
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:    1498
Number of ARIN addresses announced to Internet:               650962529
    Equivalent to 38 /8s, 204 /16s and 230 /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:                     35260
    Total RIPE prefixes after maximum aggregation:                16529
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            36051
    Unique aggregates announced from the RIPE address blocks:     23765
RIPE Region origin ASes present in the Internet Routing Table:     3371
    RIPE Prefixes per ASN:                                        10.69
RIPE Region origin ASes announcing only one prefix:                1436
RIPE Region transit ASes present in the Internet Routing Table:     525
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1252
Number of RIPE addresses announced to Internet:               160254672
    Equivalent to 9 /8s, 141 /16s and 74 /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:                   31017
    Total LACNIC prefixes after maximum aggregation:               9687
    LACNIC Deaggregation factor:                                   3.20
Prefixes being announced from the LACNIC address blocks:          30697
    Unique aggregates announced from the LACNIC address blocks:   15502
LACNIC Region origin ASes present in the Internet Routing Table:   3040
    LACNIC Prefixes per ASN:                                      10.10
LACNIC Region origin ASes announcing only one prefix:              1076
LACNIC Region transit ASes present in the Internet Routing Table:   607
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:  2325
Number of LACNIC addresses announced to Internet:              73191936
    Equivalent to 4 /8s, 92 /16s and 210 /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:                   4569
    Total AfriNIC prefixes after maximum aggregation:              1791
    AfriNIC Deaggregation factor:                                  2.55
Prefixes being announced from the AfriNIC address blocks:          5922
    Unique aggregates announced from the AfriNIC address blocks:   2885
AfriNIC Region origin ASes present in the Internet Routing Table:   215
    AfriNIC Prefixes per ASN:                                     27.54
AfriNIC Region origin ASes announcing only one prefix:               86
AfriNIC Region transit ASes present in the Internet Routing Table:   67
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  104
Number of AfriNIC addresses announced to Internet:             28183296
    Equivalent to 1 /8s, 174 /16s and 11 /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        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1450        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         725      10640     155  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  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        9804      11354    3521  AMAZON-02, US
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2834       3543    1339  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1737        112    1219  USDA-1, US
   209        1700       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1397        393     634  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         961        255      82  CANET-ASN-4, CA
 14618         904       4165     684  AMAZON-AES, 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        1262        106    1028  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         810       1032     146  SAUDINETSTC-AS, SA
  8376         713         60      24  Jordan Data Communications, JO
  8452         581       1841      11  TE-AS TE-AS, EG
 51167         507         98     212  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 35819         382        382      91  MOBILY-AS Etihad Etisalat Company Mobil
 13046         381         34       5  ASN-ISKON, HR

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        5853       1732     917  UNINET, MX
  3816        1315        788     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1102        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         897       1128      28  TELEFONICA BRASIL S.A, BR
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         489         66     214  Mega Cable, S.A. de C.V., MX
 22724         229         15      99  PUNTONET S.A., EC
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

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         615        209     253  LINKdotNET-AS, EG
 29571         523         53     162  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         239        278     184  ETISALAT-MISR, EG
 36914         202         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        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        9804      11354    3521  AMAZON-02, US
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5853       1732     917  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2834       3543    1339  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1737        112    1219  USDA-1, US
   209        1700       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1506        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        9648         9587  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5853         4936  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2834         1495  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1700         1387  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1450         1377  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1315         1120  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
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           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
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW
41.57.127.0/24       Origin:     37442  RESERVED, ZZ
41.57.127.0/24      Transit:     37204  TELONE, ZW
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       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       /9:6       /10:17      /11:30      /12:93      
/13:125     /14:365     /15:705     /16:5925    /17:2496    /18:2577    
/19:5364    /20:8676    /21:10769   /22:19489   /23:20326   /24:108765  
/25:69      /26:40      /27:69      /28:19      /29:20      /30:15      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        3104        5853  UNINET, MX
 16509        2084        9804  AMAZON-02, US
   209         959        1700  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         728         869  BRSPD-PUBLIC, US
  6147         697        1102  Telefonica del Peru S.A.A., PE
  8376         560         713  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)
----------------------------------------------

   1:11        2:368       3:330       5:1065      6:150       7:5      
   8:613      11:171      12:654      13:306      14:101      15:282    
  16:174      17:6        18:737      20:34       21:4        22:188    
  23:1777     24:390      25:2        27:27       29:19       31:180    
  32:1        34:11       35:57       36:1173     37:413      38:931    
  39:525      40:11       41:609      42:13       43:176      44:28     
  45:2376     46:614      47:94       49:14       50:265      51:473    
  52:1362     54:271      55:995      57:16       58:7        59:38     
  60:19       61:65       62:340      63:481      64:1500     65:792    
  66:1239     67:662      68:166      69:744      70:147      71:190    
  72:372      74:721      75:394      76:203      77:308      78:487    
  79:171      80:214      81:178      82:189      83:100      84:179    
  85:343      86:153      87:158      88:118      89:509      90:98     
  91:547      92:391      93:794      94:500      95:1074     96:161    
  97:31       98:130      99:150     100:23      101:20      102:223    
 103:1064    104:723     105:130     106:3       107:205     108:296    
 109:260     110:34      111:1790    112:445     113:45      114:33     
 115:15      116:29      117:959     118:70      119:101     120:1075   
 121:18      122:89      123:20      124:57      125:12      128:355    
 129:288     130:506     131:772     132:495     133:195     134:336    
 135:68      136:365     137:413     138:771     139:389     140:599    
 141:324     142:697     143:611     144:328     145:65      146:463    
 147:320     148:613     149:480     150:293     151:565     152:537    
 153:118     154:565     155:674     156:443     157:277     158:315    
 159:584     160:636     161:427     162:664     163:282     164:637    
 165:382     166:98      167:402     168:941     169:157     170:1243   
 171:62      172:888     173:630     174:110     175:41      176:401    
 177:757     178:318     179:513     180:49      181:933     182:24     
 183:827     184:205     185:2359    186:848     187:792     188:501    
 189:1161    190:2755    191:192     192:3851    193:1257    194:829    
 195:555     196:407     197:373     198:1938    199:3562    200:2397   
 201:2457    202:1054    203:626     204:1757    205:1679    206:1119   
 207:1094    208:897     209:1431    210:345     211:431     212:696    
 213:557     214:1012    215:42      216:1701    217:278     218:526    
 219:24      220:29      221:302     222:22      223:634    

End of report


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