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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 4 21:14:07 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Fri 04 Apr, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                              977872
    Prefixes after maximum aggregation (per Origin AS):          375115
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476306
    Number of IPv4 prefixes with a valid ROA:                    538468
    Number of IPv4 prefixes with an invalid ROA:                    138
    Number of IPv4 prefixes with no ROA:                         439266
Total ASes present in the Internet Routing Table:                 76699
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65760
Origin ASes announcing only one prefix:                           26899
Transit ASes present in the Internet Routing Table:               10939
Transit-only ASes present in the Internet Routing Table:            547
Paths with bogon ASNs present in the IPv4 Routing Table:             19
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1014
    Number of instances of unregistered ASNs:                      1018
Number of 32-bit ASNs allocated by the RIRs:                      46151
Number of 32-bit ASNs visible in the Routing Table:               38029
Prefixes from 32-bit ASNs in the Routing Table:                  200343
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            468
Number of addresses announced to Internet:                   3107305472
    Equivalent to 185 /8s, 53 /16s and 184 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      320895

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

Prefixes being announced by APNIC Region ASes:                   255577
    Total APNIC prefixes after maximum aggregation:               76399
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247250
    Unique aggregates announced from the APNIC address blocks:   102549
APNIC Region origin ASes present in the Internet Routing Table:   14543
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4447
APNIC Region transit ASes present in the Internet Routing Table:   1954
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10055
Number of APNIC addresses announced to Internet:              748491520
    Equivalent to 44 /8s, 157 /16s and 19 /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, 131072-155961
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:                    289155
    Total ARIN prefixes after maximum aggregation:               128868
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           290214
    Unique aggregates announced from the ARIN address blocks:    137240
ARIN Region origin ASes present in the Internet Routing Table:    19238
    ARIN Prefixes per ASN:                                        15.09
ARIN Region origin ASes announcing only one prefix:                7047
ARIN Region transit ASes present in the Internet Routing Table:    1972
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5176
Number of ARIN addresses announced to Internet:              1349882368
    Equivalent to 80 /8s, 117 /16s and 146 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    273446
    Total RIPE prefixes after maximum aggregation:               133238
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271372
    Unique aggregates announced from the RIPE address blocks:    173645
RIPE Region origin ASes present in the Internet Routing Table:    28870
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12041
RIPE Region transit ASes present in the Internet Routing Table:    3971
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12354
Number of RIPE addresses announced to Internet:               731856896
    Equivalent to 43 /8s, 159 /16s and 64 /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,
                        53/8,  57/8,  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:                  123442
    Total LACNIC prefixes after maximum aggregation:              29243
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120096
    Unique aggregates announced from the LACNIC address blocks:   48845
LACNIC Region origin ASes present in the Internet Routing Table:  11222
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2669
LACNIC Region transit ASes present in the Internet Routing Table:  2464
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9172
Number of LACNIC addresses announced to Internet:             171725824
    Equivalent to 10 /8s, 60 /16s and 84 /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:                  35238
    Total AfriNIC prefixes after maximum aggregation:              6738
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         48471
    Unique aggregates announced from the AfriNIC address blocks:  13627
AfriNIC Region origin ASes present in the Internet Routing Table:  1908
    AfriNIC Prefixes per ASN:                                     25.40
AfriNIC Region origin ASes announcing only one prefix:              695
AfriNIC Region transit ASes present in the Internet Routing Table:  375
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272
Number of AfriNIC addresses announced to Internet:            105110016
    Equivalent to 6 /8s, 67 /16s and 218 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10310       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4218        530     274  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4210        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3916       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3260       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2847        849     536  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2156      11520     621  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13005      39642    3954  AMAZON-02, US
 11492        4686        311     585  CABLEONE, US
  7155        3828        286      85  VIASAT-SP-BACKBONE, US
 22773        3626       3054     222  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3606       8766     959  COGENT-174, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3115       1311    2252  AKAMAI-AS, US
396982        2949       3649     466  GOOGLE-CLOUD-PLATFORM, US
 36352        2617        216     798  AS-COLOCROSSING, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7711       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4018       3395     129  AKAMAI-ASN1, NL
  9009        3769        326    1963  M247, RO
 12389        3072       2303     895  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2084        148    1535  CDNEXT, GB
  8452        1616       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1492         98     750  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11916       3244     585  UNINET, MX
 10620        3526        487     971  Telmex Colombia S.A., CO
 13999        2512        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1356       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1175        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1050         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1043        374     163  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1703        599      30  RAYA-AS, EG
 24863        1631        389      16  LINKdotNET-AS, EG
 29571        1571        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         915       1083      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         542         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13005      39642    3954  AMAZON-02, US
  8151       11916       3244     585  UNINET, MX
  9808       10310       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7711       1714     145  UNI2-AS, ES
  7545        6215        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4686        311     585  CABLEONE, US
  9498        4218        530     274  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4210        347      25  FPT-AS-AP FPT Telecom Company, VN
 20940        4018       3395     129  AKAMAI-ASN1, NL

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

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

   ASN  No of nets  Net Savings  Description
  8151       11916        11331  UNINET, MX
  9808       10310        10221  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7711         7566  UNI2-AS, ES
  7545        6215         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4210         4185  FPT-AS-AP FPT Telecom Company, VN
 11492        4686         4101  CABLEONE, US
  9498        4218         3944  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3916         3890  VIETEL-AS-AP Viettel Group, VN
 20940        4018         3889  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    212032  UNALLOCATED  5.59.105.0/24            35168  TNS-PLUS-CORE, KZ
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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       /9:16      /10:41      /11:93      /12:302     
/13:582     /14:1227    /15:2165    /16:13932   /17:8301    /18:13757   
/19:24642   /20:43743   /21:51758   /22:112065  /23:101471  /24:603760  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6636        7711  UNI2-AS, ES
  8151        6119       11916  UNINET, MX
 11492        3531        4686  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2787        3828  VIASAT-SP-BACKBONE, US
 22773        2744        3626  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2339       13005  AMAZON-02, US
 30036        2220        2562  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3526  Telmex Colombia S.A., CO

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

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

   1:2315      2:1547      3:614       4:10        5:4607      6:163    
   7:6         8:1547      9:1        11:172      12:1373     13:352    
  14:2508     15:351      16:279      17:362      18:916      20:470    
  21:4        22:188      23:7376     24:2830     25:2        27:2736   
  29:19       31:3222     32:37       34:80       35:207      36:2398   
  37:4682     38:8904     39:899      40:154      41:4208     42:1899   
  43:2556     44:362      45:18449    46:4948     47:289      49:1955   
  50:1899     51:590      52:1551     54:301      55:879      56:11     
  57:252      58:2196     59:1211     60:1171     61:2781     62:2907   
  63:1839     64:5502     65:2123     66:4659     67:3057     68:1140   
  69:3979     70:1125     71:620      72:2850     74:2805     75:1610   
  76:612      77:2709     78:1895     79:1731     80:2196     81:2021   
  82:3125     83:1419     84:1840     85:3407     86:1042     87:2158   
  88:1313     89:4318     90:775      91:8316     92:2801     93:2876   
  94:4053     95:4311     96:1434     97:312      98:1018     99:641    
 100:71      101:1141    102:3738    103:32171   104:4801    105:751    
 106:988     107:2634    108:1202    109:4095    110:2226    111:3308   
 112:2038    113:1797    114:1962    115:2166    116:2034    117:2742   
 118:2886    119:1957    120:1872    121:1368    122:2752    123:2174   
 124:1563    125:2855    126:88      128:1599    129:960     130:1283   
 131:1901    132:782     133:451     134:1528    135:331     136:1301   
 137:1295    138:2897    139:1618    140:1570    141:1487    142:1837   
 143:1649    144:1051    145:516     146:2162    147:2102    148:2651   
 149:2896    150:1241    151:1741    152:2103    153:570     154:7892   
 155:1628    156:3212    157:1903    158:1270    159:2432    160:3562   
 161:1900    162:3706    163:1987    164:1696    165:2205    166:1440   
 167:1880    168:4035    169:795     170:5088    171:1004    172:4483   
 173:3226    174:918     175:1290    176:3686    177:4677    178:3788   
 179:2292    180:2580    181:4046    182:3373    183:2026    184:2158   
 185:21520   186:5098    187:4410    188:4201    189:4156    190:9639   
 191:1455    192:11195   193:9424    194:7785    195:5534    196:3295   
 197:3680    198:6179    199:8415    200:8186    201:6292    202:10385  
 203:10610   204:4543    205:3679    206:4624    207:3557    208:4204   
 209:5190    210:4566    211:2534    212:4503    213:3771    214:1054   
 215:48      216:6590    217:3094    218:1330    219:375     220:2079   
 221:1072    222:712     223:2318   

End of report


More information about the ren-bgp-stats-all mailing list