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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Nov 26 22:41:35 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 26 Nov, 2023

  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:                              983600
    Prefixes after maximum aggregation (per Origin AS):          361954
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454798
Total ASes present in the Internet Routing Table:                 75271
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64532
Origin ASes announcing only one prefix:                           25953
Transit ASes present in the Internet Routing Table:               10739
Transit-only ASes present in the Internet Routing Table:            490
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1280
    Number of instances of unregistered ASNs:                      1282
Number of 32-bit ASNs allocated by the RIRs:                      43106
Number of 32-bit ASNs visible in the Routing Table:               35522
Prefixes from 32-bit ASNs in the Routing Table:                  185827
Number of bogon 32-bit ASNs visible in the Routing Table:           192
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            606
Number of addresses announced to Internet:                   3050555678
    Equivalent to 181 /8s, 211 /16s and 201 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      338294

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

Prefixes being announced by APNIC Region ASes:                   256487
    Total APNIC prefixes after maximum aggregation:               72457
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          249539
    Unique aggregates announced from the APNIC address blocks:    99229
APNIC Region origin ASes present in the Internet Routing Table:   13833
    APNIC Prefixes per ASN:                                       18.04
APNIC Region origin ASes announcing only one prefix:               4108
APNIC Region transit ASes present in the Internet Routing Table:   1880
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9148
Number of APNIC addresses announced to Internet:              772347040
    Equivalent to 46 /8s, 9 /16s and 20 /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:                    281804
    Total ARIN prefixes after maximum aggregation:               125755
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286346
    Unique aggregates announced from the ARIN address blocks:    132315
ARIN Region origin ASes present in the Internet Routing Table:    19093
    ARIN Prefixes per ASN:                                        15.00
ARIN Region origin ASes announcing only one prefix:                6928
ARIN Region transit ASes present in the Internet Routing Table:    1953
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4834
Number of ARIN addresses announced to Internet:              1276861504
    Equivalent to 76 /8s, 27 /16s and 92 /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:                    281218
    Total RIPE prefixes after maximum aggregation:               127969
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           274623
    Unique aggregates announced from the RIPE address blocks:    160618
RIPE Region origin ASes present in the Internet Routing Table:    28555
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12062
RIPE Region transit ASes present in the Internet Routing Table:    3949
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11486
Number of RIPE addresses announced to Internet:               714869470
    Equivalent to 42 /8s, 156 /16s and 10 /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:                  128802
    Total LACNIC prefixes after maximum aggregation:              28886
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127902
    Unique aggregates announced from the LACNIC address blocks:   49369
LACNIC Region origin ASes present in the Internet Routing Table:  11059
    LACNIC Prefixes per ASN:                                      11.57
LACNIC Region origin ASes announcing only one prefix:              2262
LACNIC Region transit ASes present in the Internet Routing Table:  2388
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8897
Number of LACNIC addresses announced to Internet:             178459232
    Equivalent to 10 /8s, 163 /16s and 18 /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:                  34009
    Total AfriNIC prefixes after maximum aggregation:              6102
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44583
    Unique aggregates announced from the AfriNIC address blocks:  12761
AfriNIC Region origin ASes present in the Internet Routing Table:  1818
    AfriNIC Prefixes per ASN:                                     24.52
AfriNIC Region origin ASes announcing only one prefix:              593
AfriNIC Region transit ASes present in the Internet Routing Table:  346
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157
Number of AfriNIC addresses announced to Internet:            107636992
    Equivalent to 6 /8s, 106 /16s and 105 /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        9751       8730      44  CHINAMOBILE-CN China Mobile Communicati
  7545        5687        785     697  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5002       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4341        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3837       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3601       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3383        494     249  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3267       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2683      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2617        850     369  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9344      11142    3307  AMAZON-02, US
 11492        4559        302     677  CABLEONE, US
  7155        4184        289     100  VIASAT-SP-BACKBONE, US
   174        3889       6656     636  COGENT-174, US
 22773        3631       3077     304  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
 16625        3172       1407    2329  AKAMAI-AS, US
   749        3159      54932    2411  DNIC-AS-00749, US
   367        3011       3860    1416  DNIC-ASBLK-00306-00371, US
396982        2723       3631     374  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        8712       1186    2844  TTNET, TR
 12479        7490       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4078       3398     169  AKAMAI-ASN1, NL
  9009        3481        300    1619  M247, RO
  8551        3431        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2980       2297     924  ROSTELECOM-AS, RU
  5384        2502        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2470       1852      14  TE-AS TE-AS, EG
 34984        2364        363     581  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       12166       3374     606  UNINET, MX
 10620        3526        499     871  Telmex Colombia S.A., CO
 13999        2469        337     645  Mega Cable, S.A. de C.V., MX
 11830        2010        369      64  Instituto Costarricense de Electricidad
 28573        1331       2322     236  Claro NXT Telecomunicacoes Ltda, BR
  3816        1304        782     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1243        341     504  Axtel, S.A.B. de C.V., MX
 28202        1087         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1082        369      22  Telefonica del Peru S.A.A., PE
 11664        1081        173     433  Techtel LMDS Comunicaciones Interactiva

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        1622        316      43  Telkom-Internet, ZA
 24863        1588        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1359       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         935        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 37342         511         32       1  MOVITEL, MZ
 36914         508         82       3  KENET-AS, 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       12166       3374     606  UNINET, MX
  9808        9751       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9344      11142    3307  AMAZON-02, US
 47331        8712       1186    2844  TTNET, TR
 12479        7490       1714     146  UNI2-AS, ES
  7545        5687        785     697  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5002       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4559        302     677  CABLEONE, US
 18403        4341        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9751         9707  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7490         7344  UNI2-AS, ES
 16509        9344         6037  AMAZON-02, US
 47331        8712         5868  TTNET, TR
  7545        5687         4990  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5002         4927  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4341         4316  FPT-AS-AP FPT Telecom Company, VN
  7155        4184         4084  VIASAT-SP-BACKBONE, US
 20940        4078         3909  AKAMAI-ASN1, NL

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
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     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            46887  LIGHTOWER, 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
23.176.160.0/24      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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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      /10:38      /11:99      /12:300     
/13:584     /14:1210    /15:2140    /16:13610   /17:8543    /18:14224   
/19:25609   /20:45577   /21:54270   /22:114441  /23:107021  /24:590982  
/25:1129    /26:1083    /27:1499    /28:161     /29:242     /30:78      
/31:76      /32:653     

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

   ASN  No of nets  Total ann.  Description
 47331        7828        8712  TTNET, TR
 12479        6584        7490  UNI2-AS, ES
  8151        6167       12166  UNINET, MX
 11492        3472        4559  CABLEONE, US
  6327        3366        3555  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3130        4184  VIASAT-SP-BACKBONE, US
  8551        2908        3431  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2678        3631  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2137        2482  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2267      2:1599      3:275       4:8         5:4611      6:162    
   7:6         8:1615      9:1        11:172      12:1498     13:374    
  14:2387     15:303      16:206      17:375      18:685      20:337    
  21:4        22:188      23:6554     24:2977     25:2        27:2658   
  29:19       31:2700     32:76       34:34       35:120      36:2053   
  37:4598     38:6768     39:885      40:150      41:4670     42:2077   
  43:2388     44:335      45:17553    46:4573     47:381      49:1871   
  50:1908     51:577      52:1626     54:393      55:877      56:5      
  57:138      58:1975     59:1191     60:1011     61:2746     62:2864   
  63:1936     64:5684     65:2395     66:5189     67:3129     68:1378   
  69:4175     70:1400     71:614      72:3016     74:2672     75:1611   
  76:629      77:2465     78:4080     79:3053     80:2174     81:2090   
  82:1589     83:1387     84:1633     85:3841     86:882      87:2224   
  88:2963     89:4000     90:636      91:8035     92:2230     93:2652   
  94:3772     95:5129     96:1332     97:317      98:1105     99:738    
 100:125     101:1432    102:3442    103:32869   104:4820    105:2010   
 106:981     107:2786    108:1152    109:4292    110:2166    111:3170   
 112:2110    113:1710    114:1731    115:2095    116:1993    117:2575   
 118:2761    119:2020    120:1811    121:1281    122:2770    123:2259   
 124:1660    125:2793    128:1596    129:1006    130:1099    131:2083   
 132:978     133:407     134:1727    135:343     136:925     137:1055   
 138:2885    139:1586    140:1342    141:1347    142:1579    143:1599   
 144:1009    145:343     146:2021    147:1653    148:2498    149:2377   
 150:1017    151:1277    152:1981    153:595     154:5605    155:1388   
 156:2156    157:1387    158:1064    159:2219    160:2683    161:1630   
 162:3604    163:1648    164:1726    165:1923    166:1114    167:1780   
 168:4022    169:827     170:4931    171:996     172:3802    173:3039   
 174:962     175:1254    176:3781    177:5504    178:3584    179:2455   
 180:2355    181:3661    182:3379    183:2045    184:2287    185:20839  
 186:5158    187:4693    188:4268    189:4310    190:9483    191:1942   
 192:11058   193:9043    194:7538    195:5473    196:3647    197:2915   
 198:6097    199:6561    200:8320    201:6421    202:10979   203:10494  
 204:4639    205:3728    206:4512    207:3569    208:4162    209:4976   
 210:4632    211:2558    212:4368    213:3505    214:1115    215:72     
 216:6873    217:3012    218:1348    219:611     220:2033    221:1007   
 222:871     223:2218   

End of report


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