[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 13 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 13 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:                              183628
    Prefixes after maximum aggregation (per Origin AS):           80016
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100855
    Number of IPv4 prefixes with a valid ROA:                     69223
    Number of IPv4 prefixes with an invalid ROA:                     81
    Number of IPv4 prefixes with no ROA:                         114324
Total ASes present in the Internet Routing Table:                 15458
    Prefixes per ASN:                                             11.88
Origin-only ASes present in the Internet Routing Table:           13354
Origin ASes announcing only one prefix:                            6099
Transit ASes present in the Internet Routing Table:                2104
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 (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               209
    Number of instances of unregistered ASNs:                       209
Number of 32-bit ASNs allocated by the RIRs:                      43812
Number of 32-bit ASNs visible in the Routing Table:                5574
Prefixes from 32-bit ASNs in the Routing Table:                   18422
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:             83
Number of addresses announced to Internet:                   1035075513
    Equivalent to 61 /8s, 177 /16s and 255 /24s
    Percentage of available address space announced:               28.0
    Percentage of allocated address space announced:               28.0
    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:       53879

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

Prefixes being announced by APNIC Region ASes:                    28742
    Total APNIC prefixes after maximum aggregation:                6466
    APNIC Deaggregation factor:                                    4.45
Prefixes being announced from the APNIC address blocks:           28451
    Unique aggregates announced from the APNIC address blocks:     7482
APNIC Region origin ASes present in the Internet Routing Table:    1091
    APNIC Prefixes per ASN:                                       26.08
APNIC Region origin ASes announcing only one prefix:                445
APNIC Region transit ASes present in the Internet Routing Table:    179
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    469
Number of APNIC addresses announced to Internet:              171085960
    Equivalent to 10 /8s, 50 /16s and 144 /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:                     82141
    Total ARIN prefixes after maximum aggregation:                44627
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81119
    Unique aggregates announced from the ARIN address blocks:     50494
ARIN Region origin ASes present in the Internet Routing Table:     7182
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                3065
ARIN Region transit ASes present in the Internet Routing Table:     640
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:    1459
Number of ARIN addresses announced to Internet:               605442657
    Equivalent to 36 /8s, 22 /16s and 82 /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:                     35268
    Total RIPE prefixes after maximum aggregation:                16682
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            35616
    Unique aggregates announced from the RIPE address blocks:     23705
RIPE Region origin ASes present in the Internet Routing Table:     3271
    RIPE Prefixes per ASN:                                        10.89
RIPE Region origin ASes announcing only one prefix:                1401
RIPE Region transit ASes present in the Internet Routing Table:     509
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1208
Number of RIPE addresses announced to Internet:               155654352
    Equivalent to 9 /8s, 71 /16s and 24 /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:                   32426
    Total LACNIC prefixes after maximum aggregation:              10172
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          32190
    Unique aggregates announced from the LACNIC address blocks:   15816
LACNIC Region origin ASes present in the Internet Routing Table:   3038
    LACNIC Prefixes per ASN:                                      10.60
LACNIC Region origin ASes announcing only one prefix:              1095
LACNIC Region transit ASes present in the Internet Routing Table:   617
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2326
Number of LACNIC addresses announced to Internet:              73938944
    Equivalent to 4 /8s, 104 /16s and 56 /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:                   4842
    Total AfriNIC prefixes after maximum aggregation:              1895
    AfriNIC Deaggregation factor:                                  2.56
Prefixes being announced from the AfriNIC address blocks:          6169
    Unique aggregates announced from the AfriNIC address blocks:   3277
AfriNIC Region origin ASes present in the Internet Routing Table:   211
    AfriNIC Prefixes per ASN:                                     29.24
AfriNIC Region origin ASes announcing only one prefix:               93
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  112
Number of AfriNIC addresses announced to Internet:             28904960
    Equivalent to 1 /8s, 185 /16s and 14 /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        9627       8739      51  CHINAMOBILE-CN China Mobile Communicati
 56047        1474        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1436        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        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         434        488     105  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        9704      11331    3345  AMAZON-02, US
   749        3200      54920    2452  DNIC-AS-00749, US
   367        2919       3631    1408  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1705       4898     320  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1469         95    1111  USDA-1, US
  5972        1438        394     639  DNIC-ASBLK-05800-06055, US
  7979         997         66     198  SERVERS-COM, US
   855         950        255      82  CANET-ASN-4, CA
 16625         861        405     794  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        1299        110    1059  AKAMAI-ASN1, NL
  3215         892       4810     294  France Telecom - Orange, FR
 25019         818       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      22  Jordan Data Communications, JO
  8452         606       1841      11  TE-AS TE-AS, EG
 51167         439         81     186  CONTABO, DE
 35819         428        435      76  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 34984         415         60     341  TELLCOM-AS, TR

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        5456       1572     869  UNINET, MX
  3816        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         994       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         570       2941      45  TELEFONICA BRASIL S.A, BR
 10620         513         69     429  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 14117         351         61      13  Telefonica del Sur S.A., CL

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         675        239     188  LINKdotNET-AS, EG
 36992         538        691     304  ETISALAT-MISR, EG
 29571         479         35     246  ORANGE-COTE-IVOIRE, CI
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         207         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         159         28       3  RENU, UG
 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        9704      11331    3345  AMAZON-02, US
  9808        9627       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5456       1572     869  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3200      54920    2452  DNIC-AS-00749, US
   367        2919       3631    1408  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1705       4898     320  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1474        188      34  CMNET-HUNAN-AP China Mobile communicati
  4155        1469         95    1111  USDA-1, US

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        9627         9576  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5456         4587  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2919         1511  DNIC-ASBLK-00306-00371, US
 56047        1474         1440  CMNET-HUNAN-AP China Mobile communications corp
   209        1705         1385  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1436         1363  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1450         1340  CMNET-JIANGSU-AP China Mobile communications co
  3816        1311         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
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             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
     13342  UNALLOCATED  12.180.92.0/22            7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.244.0/23           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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
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

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      /11:27      /12:73      
/13:111     /14:335     /15:671     /16:5378    /17:2510    /18:2586    
/19:5348    /20:8559    /21:10786   /22:19659   /23:20174   /24:107119  
/25:81      /26:51      /27:72      /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        2980        5456  UNINET, MX
 16509        2037        9704  AMAZON-02, US
   209         962        1705  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1856  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         689         828  BRSPD-PUBLIC, US
  6147         686        1088  Telefonica del Peru S.A.A., PE
  8376         562         722  Jordan Data Communications, JO
  7979         446         997  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         2:470       3:278       5:1081      6:148       7:5      
   8:621      11:171      12:256      13:321      14:99       15:281    
  16:174      17:6        18:698      20:33       21:4        22:188    
  23:1819     24:397      25:1        27:17       29:19       31:167    
  32:1        34:6        35:54       36:1115     37:553      38:845    
  39:523      40:8        41:567      42:21       43:177      44:29     
  45:2268     46:570      47:100      49:10       50:251      51:465    
  52:1355     54:272      55:884      57:16       58:6        59:33     
  60:19       61:63       62:338      63:465      64:1432     65:797    
  66:1216     67:670      68:164      69:711      70:147      71:191    
  72:371      74:722      75:389      76:207      77:266      78:532    
  79:159      80:195      81:190      82:171      83:99       84:184    
  85:317      86:146      87:147      88:122      89:472      90:98     
  91:504      92:426      93:773      94:485      95:1086     96:165    
  97:31       98:124      99:144     100:21      101:25      102:179    
 103:1036    104:683     105:146     106:2       107:219     108:296    
 109:227     110:29      111:1750    112:447     113:40      114:32     
 115:11      116:32      117:944     118:51      119:95      120:1089   
 121:31      122:81      123:20      124:57      125:13      128:381    
 129:279     130:511     131:770     132:502     133:264     134:329    
 135:67      136:358     137:450     138:725     139:402     140:573    
 141:322     142:689     143:575     144:322     145:62      146:459    
 147:320     148:613     149:510     150:342     151:540     152:367    
 153:118     154:438     155:667     156:363     157:224     158:317    
 159:530     160:623     161:418     162:690     163:294     164:615    
 165:364     166:99      167:376     168:957     169:152     170:1216   
 171:63      172:888     173:618     174:108     175:46      176:404    
 177:709     178:336     179:487     180:43      181:1000    182:12     
 183:853     184:197     185:2182    186:1015    187:795     188:485    
 189:1131    190:2987    191:182     192:3689    193:1205    194:777    
 195:554     196:438     197:453     198:1934    199:3280    200:2734   
 201:2596    202:923     203:604     204:1743    205:1654    206:1117   
 207:1046    208:980     209:1409    210:288     211:422     212:693    
 213:562     214:1054    215:37      216:1698    217:309     218:515    
 219:19      220:30      221:294     222:18      223:625    

End of report


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