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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Feb 21 22:41:58 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 21 Feb, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              989549
    Prefixes after maximum aggregation (per Origin AS):          363683
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      457722
Total ASes present in the Internet Routing Table:                 75714
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64875
Origin ASes announcing only one prefix:                           26148
Transit ASes present in the Internet Routing Table:               10839
Transit-only ASes present in the Internet Routing Table:            517
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     103
    Max AS path prepend of ASN (149381)                             100
Prefixes from unregistered ASNs in the Routing Table:              1264
    Number of instances of unregistered ASNs:                      1266
Number of 32-bit ASNs allocated by the RIRs:                      43666
Number of 32-bit ASNs visible in the Routing Table:               36043
Prefixes from 32-bit ASNs in the Routing Table:                  189087
Number of bogon 32-bit ASNs visible in the Routing Table:           190
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            603
Number of addresses announced to Internet:                   3043383219
    Equivalent to 181 /8s, 102 /16s and 87 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      339056

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

Prefixes being announced by APNIC Region ASes:                   258574
    Total APNIC prefixes after maximum aggregation:               73626
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          251154
    Unique aggregates announced from the APNIC address blocks:   100270
APNIC Region origin ASes present in the Internet Routing Table:   14068
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4200
APNIC Region transit ASes present in the Internet Routing Table:   1891
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                        103
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9416
Number of APNIC addresses announced to Internet:              775091616
    Equivalent to 46 /8s, 50 /16s and 245 /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:                    284458
    Total ARIN prefixes after maximum aggregation:               125639
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288830
    Unique aggregates announced from the ARIN address blocks:    132218
ARIN Region origin ASes present in the Internet Routing Table:    19141
    ARIN Prefixes per ASN:                                        15.09
ARIN Region origin ASes announcing only one prefix:                6956
ARIN Region transit ASes present in the Internet Routing Table:    1970
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4858
Number of ARIN addresses announced to Internet:              1270050112
    Equivalent to 75 /8s, 179 /16s and 109 /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:                    281494
    Total RIPE prefixes after maximum aggregation:               128464
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275506
    Unique aggregates announced from the RIPE address blocks:    162047
RIPE Region origin ASes present in the Internet Routing Table:    28652
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12103
RIPE Region transit ASes present in the Internet Routing Table:    3991
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          39
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11659
Number of RIPE addresses announced to Internet:               713796211
    Equivalent to 42 /8s, 139 /16s and 170 /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:                  129650
    Total LACNIC prefixes after maximum aggregation:              29037
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         128493
    Unique aggregates announced from the LACNIC address blocks:   49467
LACNIC Region origin ASes present in the Internet Routing Table:  11078
    LACNIC Prefixes per ASN:                                      11.60
LACNIC Region origin ASes announcing only one prefix:              2275
LACNIC Region transit ASes present in the Internet Routing Table:  2429
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8924
Number of LACNIC addresses announced to Internet:             177759840
    Equivalent to 10 /8s, 152 /16s and 102 /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:                  34109
    Total AfriNIC prefixes after maximum aggregation:              6128
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44962
    Unique aggregates announced from the AfriNIC address blocks:  13206
AfriNIC Region origin ASes present in the Internet Routing Table:  1840
    AfriNIC Prefixes per ASN:                                     24.44
AfriNIC Region origin ASes announcing only one prefix:              614
AfriNIC Region transit ASes present in the Internet Routing Table:  350
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       45
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1186
Number of AfriNIC addresses announced to Internet:            106358784
    Equivalent to 6 /8s, 86 /16s and 232 /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        9827       8740      56  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4998       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4593        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3873       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3504        497     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3375       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2726        859     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2495      11258     577  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9672      11237    3328  AMAZON-02, US
 22773        5008       3063     302  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4824       6639     675  COGENT-174, US
 11492        4582        304     645  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3596       1320      75  SHAW, CA
 16625        3244       1412    2308  AKAMAI-AS, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2927       3698    1424  DNIC-ASBLK-00306-00371, US
396982        2756       3639     396  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9004       1214    2372  TTNET, TR
 12479        7611       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3931       3396     150  AKAMAI-ASN1, NL
  9009        3259        283    1582  M247, RO
 12389        2963       2303     903  ROSTELECOM-AS, RU
  8551        2656        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2504        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2446       1852      14  TE-AS TE-AS, EG
 34984        2398        366     586  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12481       3374     609  UNINET, MX
 10620        3522        496     891  Telmex Colombia S.A., CO
 13999        2513        341     645  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1328       2319     238  Claro NXT Telecomunicacoes Ltda, BR
  3816        1305        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1212        340     498  Axtel, S.A.B. de C.V., MX
 11664        1141        179     421  Techtel LMDS Comunicaciones Interactiva
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1089        369      22  Telefonica del Peru S.A.A., PE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1629        315      40  Telkom-Internet, ZA
 24863        1548        389      16  LINKdotNET-AS, EG
 24835        1547        545      28  RAYA-AS, EG
 36992        1362       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1141         73      64  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         557         82       3  KENET-AS, KE
  6713         551       1861      34  IAM-AS, MA
 15399         530         55      53  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12481       3374     609  UNINET, MX
  9808        9827       8740      56  CHINAMOBILE-CN China Mobile Communicati
 16509        9672      11237    3328  AMAZON-02, US
 47331        9004       1214    2372  TTNET, TR
 12479        7611       1714     147  UNI2-AS, ES
  7545        5655        777     675  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773        5008       3063     302  ASN-CXA-ALL-CCI-22773-RDC, US
  4538        4998       4192      75  ERX-CERNET-BKB China Education and Rese
   174        4824       6639     675  COGENT-174, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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

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

   ASN  No of nets  Net Savings  Description
  9808        9827         9771  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7611         7464  UNI2-AS, ES
 47331        9004         6632  TTNET, TR
 16509        9672         6344  AMAZON-02, US
  7545        5655         4980  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4998         4923  ERX-CERNET-BKB China Education and Research Net
 22773        5008         4706  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4593         4568  FPT-AS-AP FPT Telecom Company, VN
   174        4824         4149  COGENT-174, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.164.72.0/24       Origin:     49195  SSAC, CN
23.164.72.0/24      Transit:    393577  TRITAN, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:98      /12:302     
/13:578     /14:1207    /15:2135    /16:13526   /17:8460    /18:14213   
/19:25516   /20:45577   /21:54098   /22:114205  /23:107309  /24:597365  
/25:1106    /26:1058    /27:1511    /28:159     /29:246     /30:83      
/31:101     /32:628     

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

   ASN  No of nets  Total ann.  Description
 47331        8114        9004  TTNET, TR
 12479        6726        7611  UNI2-AS, ES
  8151        6432       12481  UNINET, MX
 22773        4041        5008  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3495        4582  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3596  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2146        2489  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2132        2656  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2326      2:1611      3:298       4:22        5:4670      6:164    
   7:6         8:1627      9:2        11:172      12:1472     13:389    
  14:2445     15:312      16:204      17:375      18:739      20:374    
  21:4        22:188      23:6651     24:3163     25:2        27:2644   
  29:19       31:2738     32:64       34:40       35:126      36:2202   
  37:4639     38:8039     39:908      40:141      41:4624     42:2202   
  43:2383     44:334      45:17683    46:4480     47:293      49:1922   
  50:1931     51:579      52:1619     54:334      55:875      56:5      
  57:159      58:2111     59:1226     60:1020     61:2763     62:2845   
  63:1949     64:5747     65:2372     66:5002     67:3125     68:1591   
  69:4135     70:1517     71:584      72:3048     74:2664     75:1591   
  76:635      77:2540     78:4145     79:2505     80:2167     81:2140   
  82:1583     83:1323     84:1668     85:4025     86:884      87:2262   
  88:2997     89:4146     90:677      91:8086     92:2275     93:2658   
  94:3818     95:5314     96:1321     97:313      98:1092     99:745    
 100:121     101:1185    102:3543    103:32957   104:4788    105:2027   
 106:1002    107:2789    108:1146    109:4098    110:2175    111:3183   
 112:2092    113:1787    114:1773    115:2092    116:1994    117:2656   
 118:2785    119:2018    120:1816    121:1342    122:2789    123:2267   
 124:1639    125:2877    126:28      128:1578    129:1021    130:1141   
 131:1942    132:938     133:412     134:1717    135:354     136:936    
 137:1056    138:2987    139:1558    140:1375    141:1361    142:1606   
 143:1557    144:1018    145:345     146:2047    147:1717    148:2542   
 149:2609    150:1044    151:1344    152:2000    153:596     154:6034   
 155:1384    156:2139    157:1592    158:1098    159:2233    160:2700   
 161:1658    162:3645    163:1714    164:1699    165:2174    166:1076   
 167:1733    168:4007    169:821     170:4988    171:1026    172:3852   
 173:3062    174:932     175:1262    176:3815    177:5339    178:3703   
 179:2478    180:2460    181:3762    182:3440    183:1989    184:2277   
 185:20972   186:5143    187:4837    188:4253    189:4382    190:9525   
 191:1881    192:11041   193:9074    194:7588    195:5441    196:3692   
 197:2960    198:6072    199:7242    200:8451    201:6389    202:10794  
 203:10575   204:4625    205:3777    206:4562    207:3596    208:4179   
 209:5052    210:4776    211:2616    212:4404    213:3563    214:1112   
 215:44      216:6842    217:3046    218:1388    219:608     220:2056   
 221:1025    222:877     223:2235   

End of report


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